add visualization for training curves, pr, roc
This commit is contained in:
parent
d0418b9efa
commit
b35f23e518
5
.gitignore
vendored
5
.gitignore
vendored
@ -100,4 +100,7 @@ ENV/
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*.joblib
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*.csv
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*.csv.gz
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*.csv.tar.*
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*.csv.tar.*
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*.h5
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*.npy
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*.png
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10
Makefile
10
Makefile
@ -1,5 +1,11 @@
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run:
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python3 main.py --modes train --batch 128 --model results/test --train data/rk_mini.csv.gz --epochs 10
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test:
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python3 main.py --modes train --epochs 1 --batch 128 --train data/rk_mini.csv.gz
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python3 main.py --modes test --batch 128 --model results/test --test data/rk_mini.csv.gz
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fancy:
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python3 main.py --modes fancy --batch 128 --model results/test --test data/rk_mini.csv.gz
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hyper:
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python3 main.py --modes hyperband --epochs 1 --batch 64 --train data/rk_data.csv.gz
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python3 main.py --modes hyperband --batch 64 --train data/rk_data.csv.gz
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24
arguments.py
24
arguments.py
@ -7,20 +7,14 @@ parser.add_argument("--modes", action="store", dest="modes", nargs="+",
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default=[])
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parser.add_argument("--train", action="store", dest="train_data",
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default="data/full_dataset.csv.tar.bz2")
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default="data/full_dataset.csv.tar.gz")
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parser.add_argument("--test", action="store", dest="test_data",
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default="data/full_future_dataset.csv.tar.bz2")
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default="data/full_future_dataset.csv.tar.gz")
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# parser.add_argument("--h5data", action="store", dest="h5data",
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# default="")
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#
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parser.add_argument("--models", action="store", dest="model_path",
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default="models/models_x")
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parser.add_argument("--model", action="store", dest="model_path",
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default="results/model_x")
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# parser.add_argument("--pred", action="store", dest="pred",
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# default="")
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#
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parser.add_argument("--type", action="store", dest="model_type",
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default="paul")
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@ -66,13 +60,17 @@ parser.add_argument("--domain_embd", action="store", dest="domain_embedding",
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#
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# parser.add_argument("--tmp", action="store_true", dest="tmp")
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#
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# parser.add_argument("--test", action="store_true", dest="test")
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parser.add_argument("--stop_early", action="store_true", dest="stop_early")
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parser.add_argument("--gpu", action="store_true", dest="gpu")
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def parse():
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args = parser.parse_args()
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args.embedding_model = os.path.join(args.model_path, "embd.h5")
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args.clf_model = os.path.join(args.model_path, "clf.h5")
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args.train_log = os.path.join(args.model_path, "train.log")
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args.h5data = args.train_data + ".h5"
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args.train_log = os.path.join(args.model_path, "train.log.csv")
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args.train_h5data = args.train_data + ".h5"
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args.test_h5data = args.test_data + ".h5"
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args.future_prediction = os.path.join(args.model_path, "future_predict.npy")
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return args
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18
dataset.py
18
dataset.py
@ -199,3 +199,21 @@ def get_flow_per_user(df):
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users = df['user_hash'].unique().tolist()
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for user in users:
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yield df.loc[df.user_hash == user]
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def load_or_generate_h5data(h5data, train_data, domain_length, window_size):
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char_dict = get_character_dict()
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logger.info(f"check for h5data {h5data}")
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try:
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open(h5data, "r")
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except FileNotFoundError:
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logger.info("h5 data not found - load csv file")
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user_flow_df = get_user_flow_data(train_data)
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logger.info("create training dataset")
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domain_tr, flow_tr, client_tr, server_tr = create_dataset_from_flows(user_flow_df, char_dict,
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max_len=domain_length,
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window_size=window_size)
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logger.info("store training dataset as h5 file")
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store_h5dataset(h5data, domain_tr, flow_tr, client_tr, server_tr)
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logger.info("load h5 dataset")
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return load_h5dataset(h5data)
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142
main.py
142
main.py
@ -3,6 +3,8 @@ import logging
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import os
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import numpy as np
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import pandas as pd
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import tensorflow as tf
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from keras.callbacks import ModelCheckpoint, CSVLogger, EarlyStopping
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from keras.models import load_model
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@ -10,8 +12,10 @@ import arguments
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import dataset
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import hyperband
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import models
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# create logger
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import visualize
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from dataset import load_or_generate_h5data
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logger = logging.getLogger('logger')
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logger.setLevel(logging.DEBUG)
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@ -40,13 +44,15 @@ ch.setFormatter(formatter)
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# add ch to logger
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logger.addHandler(ch)
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print = logger.info
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args = arguments.parse()
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# config = tf.ConfigProto(log_device_placement=True)
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# config.gpu_options.per_process_gpu_memory_fraction = 0.5
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# config.gpu_options.allow_growth = True
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# session = tf.Session(config=config)
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if args.gpu:
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config = tf.ConfigProto(log_device_placement=True)
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config.gpu_options.per_process_gpu_memory_fraction = 0.5
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config.gpu_options.allow_growth = True
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session = tf.Session(config=config)
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def exists_or_make_path(p):
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@ -56,32 +62,13 @@ def exists_or_make_path(p):
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def main_paul_best():
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char_dict = dataset.get_character_dict()
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domain_tr, flow_tr, client_tr, server_tr = load_or_generate_h5data(args.h5data, args.train_data,
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args.domain_length, args.window)
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param = models.pauls_networks.best_config
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param["vocab_size"] = len(char_dict) + 1
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embedding, model = models.get_models_by_params(param)
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model.compile(optimizer='adam',
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loss='categorical_crossentropy',
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metrics=['accuracy'])
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model.fit([domain_tr, flow_tr],
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[client_tr, server_tr],
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batch_size=args.batch_size,
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epochs=args.epochs,
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shuffle=True,
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validation_split=0.2)
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embedding.save(args.embedding_model)
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model.save(args.clf_model)
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pauls_best_params = models.pauls_networks.best_config
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pauls_best_params["vocab_size"] = len(char_dict) + 1
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main_train(pauls_best_params)
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def main_hyperband():
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char_dict = dataset.get_character_dict()
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user_flow_df = dataset.get_user_flow_data(args.train_data)
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params = {
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# static params
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@ -105,7 +92,7 @@ def main_hyperband():
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}
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logger.info("create training dataset")
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domain_tr, flow_tr, client_tr, server_tr = load_or_generate_h5data(args.h5data, args.train_data,
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domain_tr, flow_tr, client_tr, server_tr = load_or_generate_h5data(args.train_h5data, args.train_data,
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args.domain_length, args.window)
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hp = hyperband.Hyperband(params,
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[domain_tr, flow_tr],
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@ -114,33 +101,15 @@ def main_hyperband():
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json.dump(results, open("hyperband.json"))
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def load_or_generate_h5data(h5data, train_data, domain_length, window_size):
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char_dict = dataset.get_character_dict()
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logger.info(f"check for h5data {h5data}")
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try:
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open(h5data, "r")
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except FileNotFoundError:
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logger.info("h5 data not found - load csv file")
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user_flow_df = dataset.get_user_flow_data(train_data)
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logger.info("create training dataset")
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domain_tr, flow_tr, client_tr, server_tr = dataset.create_dataset_from_flows(user_flow_df, char_dict,
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max_len=domain_length,
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window_size=window_size)
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logger.info("store training dataset as h5 file")
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dataset.store_h5dataset(args.h5data, domain_tr, flow_tr, client_tr, server_tr)
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logger.info("load h5 dataset")
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return dataset.load_h5dataset(h5data)
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def main_train():
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def main_train(param=None):
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exists_or_make_path(args.model_path)
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char_dict = dataset.get_character_dict()
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domain_tr, flow_tr, client_tr, server_tr = load_or_generate_h5data(args.h5data, args.train_data,
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domain_tr, flow_tr, client_tr, server_tr = load_or_generate_h5data(args.train_h5data, args.train_data,
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args.domain_length, args.window)
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# parameter
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param = {
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p = {
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"type": "paul",
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"batch_size": 64,
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"window_size": args.window,
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@ -160,29 +129,34 @@ def main_train():
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'kernels_main': 3,
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'input_length': 40
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}
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if not param:
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param = p
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embedding, model = models.get_models_by_params(param)
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embedding.summary()
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model.summary()
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logger.info("define callbacks")
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cp = ModelCheckpoint(filepath=args.clf_model,
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monitor='val_loss',
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verbose=False,
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save_best_only=True)
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csv = CSVLogger(args.train_log)
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early = EarlyStopping(monitor='val_loss',
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patience=5,
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verbose=False)
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callbacks = []
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callbacks.append(ModelCheckpoint(filepath=args.clf_model,
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monitor='val_loss',
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verbose=False,
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save_best_only=True))
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callbacks.append(CSVLogger(args.train_log))
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if args.stop_early:
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callbacks.append(EarlyStopping(monitor='val_loss',
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patience=5,
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verbose=False))
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logger.info("compile model")
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custom_metrics = models.get_metric_functions()
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model.compile(optimizer='adam',
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loss='categorical_crossentropy',
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metrics=['accuracy'])
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metrics=['accuracy'] + custom_metrics)
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logger.info("start training")
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model.fit([domain_tr, flow_tr],
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[client_tr, server_tr],
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batch_size=args.batch_size,
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epochs=args.epochs,
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callbacks=[cp, csv, early],
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callbacks=callbacks,
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shuffle=True,
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validation_split=0.2)
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logger.info("save embedding")
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@ -190,42 +164,46 @@ def main_train():
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def main_test():
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domain_val, flow_val, client_val, server_val = load_or_generate_h5data(args.h5data, args.train_data,
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domain_val, flow_val, client_val, server_val = load_or_generate_h5data(args.test_h5data, args.test_data,
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args.domain_length, args.window)
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clf = load_model(args.clf_model)
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loss, _, _, client_acc, server_acc = clf.evaluate([domain_val, flow_val],
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[client_val, server_val],
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batch_size=args.batch_size)
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logger.info(f"loss: {loss}\nclient acc: {client_acc}\nserver acc: {server_acc}")
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clf = load_model(args.clf_model, custom_objects=models.get_metrics())
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stats = clf.evaluate([domain_val, flow_val],
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[client_val, server_val],
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batch_size=args.batch_size)
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# logger.info(f"loss: {loss}\nclient acc: {client_acc}\nserver acc: {server_acc}")
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logger.info(stats)
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y_pred = clf.predict([domain_val, flow_val],
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batch_size=args.batch_size)
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np.save(os.path.join(args.model_path, "future_predict.npy"), y_pred)
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np.save(args.future_prediction, y_pred)
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def main_visualization():
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mask = dataset.load_mask_eval(args.data, args.test_image)
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y_pred_path = args.model_path + "pred.npy"
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_, _, client_val, server_val = load_or_generate_h5data(args.test_h5data, args.test_data,
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args.domain_length, args.window)
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logger.info("plot model")
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model = load_model(args.model_path + "model.h5",
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custom_objects=evaluation.get_metrics())
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model = load_model(args.clf_model, custom_objects=models.get_metrics())
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visualize.plot_model(model, args.model_path + "model.png")
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logger.info("plot training curve")
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logs = pd.read_csv(args.model_path + "train.log")
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visualize.plot_training_curve(logs, "{}/train.png".format(args.model_path))
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pred = np.load(y_pred_path)
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logs = pd.read_csv(args.train_log)
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visualize.plot_training_curve(logs, "client", "{}/client_train.png".format(args.model_path))
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visualize.plot_training_curve(logs, "server", "{}/server_train.png".format(args.model_path))
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client_pred, server_pred = np.load(args.future_prediction)
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logger.info("plot pr curve")
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visualize.plot_precision_recall(mask, pred, "{}/prc.png".format(args.model_path))
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visualize.plot_precision_recall_curves(mask, pred, "{}/prc2.png".format(args.model_path))
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visualize.plot_precision_recall(client_val.value, client_pred, "{}/client_prc.png".format(args.model_path))
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visualize.plot_precision_recall(server_val.value, server_pred, "{}/server_prc.png".format(args.model_path))
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visualize.plot_precision_recall_curves(client_val.value, client_pred, "{}/client_prc2.png".format(args.model_path))
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visualize.plot_precision_recall_curves(server_val.value, server_pred, "{}/server_prc2.png".format(args.model_path))
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logger.info("plot roc curve")
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visualize.plot_roc_curve(mask, pred, "{}/roc.png".format(args.model_path))
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logger.info("store prediction image")
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visualize.save_image_as(pred, "{}/pred.png".format(args.model_path))
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visualize.plot_roc_curve(client_val.value, client_pred, "{}/client_roc.png".format(args.model_path))
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visualize.plot_roc_curve(server_val.value, server_pred, "{}/server_roc.png".format(args.model_path))
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def main_score():
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mask = dataset.load_mask_eval(args.data, args.test_image)
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pred = np.load(args.pred)
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visualize.score_model(mask, pred)
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# mask = dataset.load_mask_eval(args.data, args.test_image)
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# pred = np.load(args.pred)
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# visualize.score_model(mask, pred)
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pass
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def main():
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@ -1,3 +1,6 @@
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import keras.backend as K
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import dataset
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from . import pauls_networks
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from . import renes_networks
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@ -6,7 +9,7 @@ def get_models_by_params(params: dict):
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# decomposing param section
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# mainly embedding model
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network_type = params.get("type")
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vocab_size = params.get("vocab_size")
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vocab_size = len(dataset.get_character_dict()) + 1
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embedding_size = params.get("embedding_size")
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input_length = params.get("input_length")
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filter_embedding = params.get("filter_embedding")
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@ -30,3 +33,51 @@ def get_models_by_params(params: dict):
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filter_main, kernel_main, dense_dim, embedding_model)
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return embedding_model, predict_model
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def get_metrics():
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return dict([
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("precision", precision),
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("recall", recall),
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("f1_score", f1_score),
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])
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def get_metric_functions():
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return [precision, recall, f1_score]
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def precision(y_true, y_pred):
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# Count positive samples.
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true_positives = K.sum(K.round(K.clip(y_true * y_pred, 0, 1)))
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predicted_positives = K.sum(K.round(K.clip(y_pred, 0, 1)))
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return true_positives / (predicted_positives + K.epsilon())
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def recall(y_true, y_pred):
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# Count positive samples.
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true_positives = K.sum(K.round(K.clip(y_true * y_pred, 0, 1)))
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possible_positives = K.sum(K.round(K.clip(y_true, 0, 1)))
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return true_positives / (possible_positives + K.epsilon())
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def f1_score(y_true, y_pred):
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return f_score(1)(y_true, y_pred)
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def f05_score(y_true, y_pred):
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return f_score(0.5)(y_true, y_pred)
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def f_score(beta):
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def _f(y_true, y_pred):
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p = precision(y_true, y_pred)
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r = recall(y_true, y_pred)
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bb = beta ** 2
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fbeta_score = (1 + bb) * (p * r) / (bb * p + r + K.epsilon())
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return fbeta_score
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return _f
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146
visualize.py
Normal file
146
visualize.py
Normal file
@ -0,0 +1,146 @@
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import os
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import matplotlib.pyplot as plt
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import numpy as np
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from keras.utils import plot_model
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from sklearn.metrics import (
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auc, classification_report, confusion_matrix, fbeta_score, precision_recall_curve,
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roc_auc_score, roc_curve
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)
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def scores(y_true, y_pred):
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for (path, dirnames, fnames) in os.walk("results/"):
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for f in fnames:
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if path[-1] == "1" and f.endswith("npy"):
|
||||
y_pred = np.load(os.path.join(path, f)).flatten()
|
||||
print(path)
|
||||
tp = np.sum(np.logical_and(y_pred >= 0.5, y_true == 1))
|
||||
tn = np.sum(np.logical_and(y_pred < 0.5, y_true == 0))
|
||||
fp = np.sum(np.logical_and(y_pred >= 0.5, y_true == 0))
|
||||
fn = np.sum(np.logical_and(y_pred < 0.5, y_true == 1))
|
||||
precision = tp / (tp + fp)
|
||||
recall = tp / (tp + fn)
|
||||
accuracy = (tp + tn) / len(y_true)
|
||||
f1_score = 2 * (precision * recall) / (precision + recall)
|
||||
f05_score = (1 + 0.5 ** 2) * (precision * recall) / (0.5 ** 2 * precision + recall)
|
||||
print(" precision:", precision)
|
||||
print(" recall:", recall)
|
||||
print(" accuracy:", accuracy)
|
||||
print(" f1 score:", f1_score)
|
||||
print(" f0.5 score:", f05_score)
|
||||
|
||||
|
||||
def plot_precision_recall(mask, prediction, path):
|
||||
y = mask.flatten()
|
||||
y_pred = prediction.flatten()
|
||||
precision, recall, thresholds = precision_recall_curve(y, y_pred)
|
||||
decreasing_max_precision = np.maximum.accumulate(precision)[::-1]
|
||||
|
||||
plt.clf()
|
||||
# fig, ax = plt.subplots(1, 1)
|
||||
# ax.hold(True)
|
||||
plt.plot(recall, precision, '--b')
|
||||
# ax.step(recall[::-1], decreasing_max_precision, '-r')
|
||||
plt.xlabel('Recall')
|
||||
plt.ylabel('Precision')
|
||||
|
||||
plt.savefig(path, dpi=600)
|
||||
plt.close()
|
||||
|
||||
|
||||
def plot_precision_recall_curves(mask, prediction, path):
|
||||
y = mask.flatten()
|
||||
y_pred = prediction.flatten()
|
||||
precision, recall, thresholds = precision_recall_curve(y, y_pred)
|
||||
|
||||
plt.clf()
|
||||
plt.plot(recall, label="Recall")
|
||||
plt.plot(precision, label="Precision")
|
||||
plt.xlabel('Threshold')
|
||||
plt.ylabel('Score')
|
||||
|
||||
plt.savefig(path, dpi=600)
|
||||
plt.close()
|
||||
|
||||
|
||||
def score_model(y, prediction):
|
||||
y = y.flatten()
|
||||
y_pred = prediction.flatten()
|
||||
|
||||
precision, recall, thresholds = precision_recall_curve(y, y_pred)
|
||||
|
||||
print(classification_report(y, y_pred.round()))
|
||||
print("Area under PR curve", auc(recall, precision))
|
||||
print("roc auc score", roc_auc_score(y, y_pred))
|
||||
print("F1 Score", fbeta_score(y, y_pred.round(), 1))
|
||||
print("F0.5 Score", fbeta_score(y, y_pred.round(), 0.5))
|
||||
|
||||
|
||||
def plot_roc_curve(mask, prediction, path):
|
||||
y = mask.flatten()
|
||||
y_pred = prediction.flatten()
|
||||
fpr, tpr, thresholds = roc_curve(y, y_pred)
|
||||
roc_auc = auc(fpr, tpr)
|
||||
plt.clf()
|
||||
plt.plot(fpr, tpr)
|
||||
plt.savefig(path, dpi=600)
|
||||
plt.close()
|
||||
|
||||
print("roc_auc", roc_auc)
|
||||
|
||||
|
||||
def plot_confusion_matrix(y_true, y_pred,
|
||||
normalize=False,
|
||||
title='Confusion matrix',
|
||||
cmap="Blues"):
|
||||
"""
|
||||
This function prints and plots the confusion matrix.
|
||||
Normalization can be applied by setting `normalize=True`.
|
||||
"""
|
||||
plt.clf()
|
||||
cm = confusion_matrix(y_true, y_pred)
|
||||
classes = [0, 1]
|
||||
plt.imshow(cm, interpolation='nearest', cmap=cmap)
|
||||
plt.title(title)
|
||||
plt.colorbar()
|
||||
tick_marks = np.arange(len(classes))
|
||||
plt.xticks(tick_marks, classes, rotation=45)
|
||||
plt.yticks(tick_marks, classes)
|
||||
|
||||
if normalize:
|
||||
cm = cm.astype('float') / cm.sum(axis=1)[:, np.newaxis]
|
||||
print("Normalized confusion matrix")
|
||||
else:
|
||||
print('Confusion matrix, without normalization')
|
||||
|
||||
print(cm)
|
||||
|
||||
thresh = cm.max() / 2.
|
||||
for i, j in ((i, j) for i in range(cm.shape[0]) for j in range(cm.shape[1])):
|
||||
plt.text(j, i, cm[i, j],
|
||||
horizontalalignment="center",
|
||||
color="white" if cm[i, j] > thresh else "black")
|
||||
|
||||
plt.tight_layout()
|
||||
plt.ylabel('True label')
|
||||
plt.xlabel('Predicted label')
|
||||
|
||||
|
||||
def plot_training_curve(logs, key, path, dpi=600):
|
||||
plt.clf()
|
||||
plt.plot(logs[f"{key}_acc"], label="accuracy")
|
||||
plt.plot(logs[f"{key}_f1_score"], label="f1_score")
|
||||
|
||||
plt.plot(logs[f"val_{key}_acc"], label="accuracy")
|
||||
plt.plot(logs[f"val_{key}_f1_score"], label="val_f1_score")
|
||||
|
||||
plt.xlabel('epoch')
|
||||
plt.ylabel('percentage')
|
||||
plt.legend()
|
||||
plt.savefig(path, dpi=dpi)
|
||||
plt.close()
|
||||
|
||||
|
||||
def plot_model_as(model, path):
|
||||
plot_model(model, to_file=path, show_shapes=True, show_layer_names=True)
|
||||
Loading…
Reference in New Issue
Block a user