first commit

main
ifiguero 2025-03-09 04:22:15 -03:00
parent 680da20c58
commit 8d3bc4ba2c
6 changed files with 767 additions and 1 deletions

7
.gitignore vendored 100644
View File

@ -0,0 +1,7 @@
*xlsx
pics
*zip
*log
*pkl
*pyc
*_dataset

434
LoaderClass.py 100644
View File

@ -0,0 +1,434 @@
import os
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
import pickle
import logging
from sklearn.preprocessing import MinMaxScaler
#self.logger.basicConfig(level=self.logger.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
class GasSensorDataLoader:
def __init__(self, label_file, force_overwrite=False, output_format="png", lower_limit=-0.01, threshold=0.7, target_list=['C2H2', 'CH4', 'C3H6', 'CO', 'C2H6', 'C3H8', 'C2H4', 'H2', 'O2'], source_channels=["MQ 8", "MQ 9", "MQ 135", "TGS 813", "TGS 821", "TGS 2600", "TGS 2602", "TGS 2611-0", "TGS 2612", "TGS 2620"], debug=False):
self.label_file = label_file
self.main_file = f"{self.label_file}/{self.label_file}.xlsx"
self.data_folder = os.path.splitext(label_file)[0]
self.state_file = f"{self.label_file}.pkl"
self.lower_limit = lower_limit
self.data = None
self.debug = debug
self.threshold = threshold
self.dataset = {}
self.dataset['threshold'] = self.threshold
self.dataset['range'] = {}
self.samples = {}
self.target_list = sorted(target_list)
self.target_len = len(self.target_list)
self.source_channels = sorted(source_channels)
self.force_overwrite = force_overwrite
self.output_format = output_format.lower()
self.pics_folder = self.create_pics_folder()
self.logger = logging.getLogger("GasSensorDataLoader")
if self.debug:
self.logger.setLevel(logging.DEBUG)
else:
self.logger.setLevel(logging.INFO)
if self.output_format not in ["png", "pdf"]:
raise ValueError("Invalid output format. Choose either 'png' or 'pdf'.")
if not os.path.isdir(self.data_folder):
raise FileNotFoundError(f"Data folder '{self.data_folder}' does not exist.")
if not os.path.exists(self.main_file):
raise FileNotFoundError(f"Main Excel file '{self.main_file}' not found.")
if not isinstance(threshold, (int, float)) or not 0 <= threshold <= 1:
raise ValueError("threshold must be a number between 0 and 1")
if os.path.exists(self.state_file):
if False:#not self.force_overwrite and not self._compare_state_with_main():
raise ValueError("State file differs from the main Excel file. Use 'force_overwrite=True' to overwrite.")
else:
self.load_state()
else:
self.logger.info("State file not found. Loading dataset.")
self.load_dataset()
def _compare_state_with_main(self):
try:
existing_labels = pd.read_excel(self.main_file)
with open(self.state_file, 'rb') as f:
saved_data = pickle.load(f)
saved_labels = pd.DataFrame([saved_data[key]['label'] for key in saved_data])
return existing_labels.equals(saved_labels)
except Exception as e:
self.logger.error(f"Error comparing state file: {e}")
return False
def load_dataset(self):
self.logger.info("Loading dataset from Excel files.")
labels = pd.read_excel(self.main_file)
data_dict = {}
samples, measuraments = 0, 0
for _, row in labels.iterrows():
file_path = os.path.join(self.data_folder, "Raw_data", '{}{}'.format(row['Raw_data'], '.xlsx'))
if os.path.exists(file_path):
self.logger.info(f"Loading data from {file_path}.")
df = pd.read_excel(file_path, header=0, usecols=self.source_channels) # Ensure first row is used as column names
data_dict[row['Raw_data']] = {
'label': row.to_dict(),
'data': df,
'sampleId': samples
}
samples += 1
measuraments += df.shape[0]
else:
raise FileNotFoundError(f"measurament file not found: {file_path}")
self.data = data_dict
self.save_state()
self.logger.info("Dataset loaded. {} samples in {} measuraments".format(samples, measuraments))
def save_state(self):
with open(self.state_file, 'wb') as f:
pickle.dump(self.data, f)
self.logger.info("State saved.")
def load_state(self):
with open(self.state_file, 'rb') as f:
self.data = pickle.load(f)
self.logger.info("State loaded.")
def create_pics_folder(self):
pics_folder = os.path.join(self.data_folder, "pics")
if not os.path.exists(pics_folder):
os.makedirs(pics_folder)
self.logger.info(f"Created folder: {pics_folder}")
return pics_folder
def init_delta(self):
self.logger.info("Initializing dataset delta values.")
data_copy = {key: {'label': value['label'], 'sampleId': value['sampleId'], 'data': value['data'].copy()} for key, value in self.data.items()}
lower_limit = pd.concat([data_copy[key]['data'] for key in data_copy], axis=0).max() * self.lower_limit
self.logger.debug("Lower limit {}.".format(lower_limit))
for key in data_copy:
data_copy[key]['data'] = data_copy[key]['data'] - data_copy[key]['data'].iloc[0]
for column in data_copy[key]['data'].columns:
data_copy[key]['data'][column] = data_copy[key]['data'][column].where(data_copy[key]['data'][column] >= lower_limit[column], other=lower_limit[column])
self.delta_data = data_copy
def init_minmax(self):
if not hasattr(self, 'delta_data'):
self.init_delta()
self.logger.info("Initializing dataset using MinMaxScaler.")
concatenated_data = pd.concat([self.delta_data[key]['data'] for key in self.delta_data], axis=0)
scaler = MinMaxScaler()
scaler.fit(concatenated_data)
self.scaled_data = {key: {'label': value['label'], 'sampleId': value['sampleId'], 'data': pd.DataFrame(scaler.transform(value['data']), columns=value['data'].columns)} for key, value in self.delta_data.items()}
def plot_channel(self, data_instance, channel_name, save=False, tag="", title=""):
self.logger.debug(f"{title}All measurament Sensor readings for: {channel_name}.")
plt.figure(figsize=(12, 6))
for key in data_instance:
if channel_name in data_instance[key]['data'].columns:
plt.plot(data_instance[key]['data'][channel_name])
plt.xlabel("Time")
plt.ylabel("Sensor Reading")
plt.title(f"{title} Sensor Channel: {channel_name}")
if save:
filename = os.path.join(self.pics_folder, f"{channel_name}_{tag}.{self.output_format}")
plt.savefig(filename, format=self.output_format)
self.logger.info(f"Saved plot as {filename}")
else:
plt.show()
plt.close()
def plot_measurament(self, data_instance, measurament_name, save=False, tag="", title="", limits=[]):
self.logger.debug(f"{title}All sensor readings for measurament: {measurament_name}.")
if measurament_name in data_instance:
data_instance[measurament_name]['data'].plot(figsize=(12, 6), title=f"{title} measurament: {measurament_name}")
plt.xlabel("Time")
plt.ylabel("Sensor Readings")
plt.legend(bbox_to_anchor=(0.95, 0.5), loc="center left")
for xvalue, txtcolor in limits:
plt.vlines(x=xvalue, ymin=0, ymax=1, colors=txtcolor)
if save:
filename = os.path.join(self.pics_folder, f"{measurament_name}_{tag}.{self.output_format}")
plt.savefig(filename, format=self.output_format)
self.logger.info(f"Saved plot as {filename}")
else:
plt.show()
plt.close()
def plotRawdata(self, save=True):
self.logger.debug("Plotting raw data for all measuraments and channels.")
for measurament in self.data:
self.plot_measurament(self.data, measurament, save=save, tag="raw", title="[Original] ")
for channel in self.data[next(iter(self.data))]['data'].columns:
self.plot_channel(self.data, channel, save=save, tag="raw", title="[Original] ")
def plotDeltadata(self, save=True):
if not hasattr(self, 'delta_data'):
self.init_delta()
self.logger.debug("Plotting raw data for all measuraments and channels.")
for measurament in self.delta_data:
self.plot_measurament(self.delta_data, measurament, save=save, tag="delta", title="[$\Delta V$] ")
for channel in self.delta_data[next(iter(self.delta_data))]['data'].columns:
self.plot_channel(self.delta_data, channel, save=save, tag="delta", title="[$\delta V$] ")
def plotScaleddata(self, save=True):
if not hasattr(self, 'scaled_data'):
self.init_minmax()
self.logger.debug("Plotting raw data for all measuraments and channels.")
for measurament in self.scaled_data:
self.plot_measurament(self.scaled_data, measurament, save=save, tag="scaled", title="[Scaled] ")
for channel in self.scaled_data[next(iter(self.scaled_data))]['data'].columns:
self.plot_channel(self.scaled_data, channel, save=save, tag="scaled", title="[Scaled] ")
def plotScaledBoundaries(self, save=True):
if not hasattr(self, 'scaled_data'):
self.init_minmax()
self.logger.debug("Plotting raw data for all measuraments and channels.")
for measurament in self.scaled_data:
r, l, m = self.findIndicesAbovethreshold(self.scaled_data[measurament]['data'])
self.plot_measurament(self.scaled_data, measurament, save=save, tag="train", title=f"[Interval {self.threshold} max] ", limits=[(r, 'blue'), (l, 'blue'), (m, 'red')])
def findIndicesAbovethreshold(self, df):
if not isinstance(df, pd.DataFrame):
raise TypeError("Input must be a pandas DataFrame.")
row_sums = df.sum(axis=1)
threshold = row_sums.max() * self.threshold
above_threshold_indices = row_sums[row_sums > threshold].index
if not above_threshold_indices.empty:
first_index = above_threshold_indices[0]
last_index = above_threshold_indices[-1]
return first_index, last_index, row_sums.idxmax()
else:
return None, None, None
def load_dataset_window(self, ws):
self.logger.info(f"Requested sample with threshold {self.threshold} and window size {ws}")
if not hasattr(self, 'scaled_data'):
self.init_minmax()
if not hasattr(self, 'dataset'):
self.logger.debug(f"Empty dataset")
self.dataset = {}
if 'threshold' in self.dataset:
self.logger.debug(f"threshold in dataset")
if self.dataset['threshold'] != self.threshold:
self.logger.info(f"wrong threshold {self.dataset['threshold']} {self.threshold}")
self.dataset = {}
self.dataset['threshold'] = self.threshold
self.dataset['range'] = {}
self.stats()
else:
self.logger.debug(f"correct threshold {self.dataset['threshold']} {self.threshold}")
else:
self.dataset['threshold'] = self.threshold
self.dataset['range'] = {}
self.stats()
self.logger.debug(f"No threshold {self.dataset['threshold']} {self.threshold}")
if ws in self.dataset:
return self.dataset[ws]
g_output = np.empty((0, 1))
y_output = np.empty((0, self.target_len))
x_output = np.empty((0, ws, len(self.source_channels)))
sample_size = self.min_sample - ws + 1
self.logger.info(f"Computing sample with threshold {self.threshold} and window size {ws}")
for measurament, (r, l) in self.dataset['range'].items():
self.logger.debug('{} | {} | {}-{} | {}'.format(measurament, self.scaled_data[measurament]['data'].shape, r, l, self.scaled_data[measurament]['data'].iloc[r:l].shape))
x_sample, y_sample, g_sample = self.create_conv1d_dataset(measurament, r, l, ws)
g_output = np.concatenate((g_output, g_sample))
x_output = np.concatenate((x_output, x_sample))
y_output = np.concatenate((y_output, y_sample))
self.dataset[ws] = (x_output, y_output, g_output)
return self.dataset[ws]
def load_dataset_xboost(self):
self.logger.info(f"Requested sample with threshold {self.threshold} for xboost")
if not hasattr(self, 'scaled_data'):
self.init_minmax()
if not hasattr(self, 'dataset'):
self.logger.debug(f"Empty dataset")
self.dataset = {}
if 'threshold' in self.dataset:
self.logger.debug(f"threshold in dataset")
if self.dataset['threshold'] != self.threshold:
self.logger.info(f"wrong threshold {self.dataset['threshold']} {self.threshold}")
self.dataset = {}
self.dataset['threshold'] = self.threshold
self.dataset['range'] = {}
self.stats()
else:
self.logger.debug(f"correct threshold {self.dataset['threshold']} {self.threshold}")
else:
self.dataset['threshold'] = self.threshold
self.dataset['range'] = {}
self.stats()
self.logger.debug(f"No threshold {self.dataset['threshold']} {self.threshold}")
if 'xboost' in self.dataset:
return self.dataset['xboost']
g_output = np.empty((0, 1))
y_output = np.empty((0, self.target_len))
x_output = np.empty((0, self.data_channels))
self.logger.info(f"Computing sample with threshold {self.threshold} for xboost")
for measurament, (r, l) in self.dataset['range'].items():
self.logger.debug('{} | {} | {}-{} | {}'.format(measurament, self.scaled_data[measurament]['data'].shape, r, l, self.scaled_data[measurament]['data'].iloc[r:l].shape))
x_sample, y_sample, g_sample = self.create_xboost_dataset(measurament, r, l)
g_output = np.concatenate((g_output, g_sample))
x_output = np.concatenate((x_output, x_sample))
y_output = np.concatenate((y_output, y_sample))
self.dataset['xboost'] = (x_output, y_output, g_output)
return self.dataset['xboost']
def create_xboost_dataset(self, measurament, r, l):
X_data = self.scaled_data[measurament]['data'].iloc[r:l]
Y_value = np.array([[self.scaled_data[measurament]['label'][key] for key in self.target_list]])
G_value = self.scaled_data[measurament]['sampleId']
total_samples = X_data.shape[0]
sample_size = self.min_sample
self.logger.debug(f"{measurament}: ({total_samples}) values, sampling ({sample_size}). (l-r {l-r}) (l {l}) (r {r}).")
if sample_size > total_samples:
self.logger.warn(f"sample_size ({sample_size}) exceeds available samples ({total_samples}). Using available samples.")
sample_size = total_samples
random_indices = np.random.choice(total_samples, size=sample_size, replace=False)
g_sample = np.zeros((sample_size, 1))
y_sample = np.zeros((sample_size, self.target_len))
x_samples = np.zeros((sample_size, self.data_channels))
for i, index in enumerate(random_indices):
x_samples[i] = X_data.iloc[index]
y_sample[i] = Y_value
g_sample[i] = G_value
return x_samples, y_sample, g_sample
def create_conv1d_dataset(self, measurament, r, l, window):
X_data = self.scaled_data[measurament]['data'].iloc[r:l]
Y_value = np.array([[self.scaled_data[measurament]['label'][key] for key in self.target_list]])
G_value = self.scaled_data[measurament]['sampleId']
total_samples = X_data.shape[0] - window + 1
sample_size = self.min_sample - window + 1
if sample_size > total_samples:
self.logger.warn(f"sample_size ({sample_size}) exceeds available samples ({total_samples}). Using available samples.")
sample_size = total_samples
random_indices = np.random.choice(total_samples, size=sample_size, replace=False)
g_sample = np.zeros((sample_size, 1))
y_sample = np.zeros((sample_size, self.target_len))
x_samples = np.zeros((sample_size, window, self.data_channels))
for i, index in enumerate(random_indices):
x_samples[i] = X_data.iloc[index:index + window].values
y_sample[i] = Y_value
g_sample[i] = G_value
return x_samples, y_sample, g_sample
def stats(self):
channel_columns = {}
sample_columns = {}
for key in self.data:
for col in self.data[key]['data'].columns:
if col in sample_columns:
sample_columns[col].append(key)
else:
sample_columns[col] = [key]
for col in self.data[key]['label']:
if col in channel_columns:
channel_columns[col].append(key)
else:
channel_columns[col] = [key]
self.data_channels = len(set(sample_columns))
sorted_channel = sorted(channel_columns.items(), key=lambda x: len(x[1]), reverse=True)
sorted_samples = sorted(sample_columns.items(), key=lambda x: len(x[1]), reverse=True)
self.logger.debug("{:=^60}".format("CHANNELS"))
for i, (col, keys) in enumerate(sorted_channel):
self.logger.debug(f"{i} | {col}: {len(keys)}")
self.logger.debug("{:=^60}".format("SAMPLES"))
for i, (col, keys) in enumerate(sorted_samples):
self.logger.debug(f"{i} | {col}: {len(keys)}")
if not hasattr(self, 'scaled_data'):
self.init_minmax()
self.logger.debug("{:=^60}".format(f"DATASET SIZE for {self.threshold}"))
valid_dataset = []
for measurament in self.scaled_data:
r, l, m = self.findIndicesAbovethreshold(self.scaled_data[measurament]['data'])
self.logger.debug(f"{measurament}: {l} - {r} = {l-r}")
valid_dataset.append(l-r)
self.dataset['range'][measurament] = (r,l)
self.min_sample = np.min(valid_dataset)
self.logger.info("{:=^60}".format(f"DATASET STATS for {self.threshold}"))
self.logger.info(f"Min: {np.min(valid_dataset)}")
self.logger.info(f"Max: {np.max(valid_dataset)}")
self.logger.info(f"Mean: {np.mean(valid_dataset)}")
self.logger.info(f"Median: {np.median(valid_dataset)}")
# Example usage:
# loader = GasSensorDataLoader("enose_dataset", output_format="png", threshold=0.9)
# loader.threshold = 0.8
# loader.plotRawdata(save=True)
# loader.plotDeltadata(save=True)
# loader.plotScaledBoundaries(save=True)
# # loader.threshold = 0.90
# print(loader.load_dataset_window(128).shape)
# loader.threshold = 0.85
# print(loader.load_dataset_window(128).shape)
# loader.threshold = 0.80
# print(loader.load_dataset_window(128).shape)
# loader.threshold = 0.75
# print(loader.load_dataset_window(128).shape)

View File

@ -1,2 +1,15 @@
# enose_2025
# Codigo de entrenamiento del e-nose
Sistema bio-inspirado para la detección de gases en diferentes fuentes.
## Instalación del ambiente conda
```
./create_conda nombre-ambiente
```
## Ejecución de las Simulaciones
```
(nombre-ambiente)$ python train_sequence.py
```

270
TrainerClass.py 100644
View File

@ -0,0 +1,270 @@
import numpy as np
import pandas as pd
import tensorflow as tf
import matplotlib.pyplot as plt
import matplotlib
matplotlib.rcParams['text.usetex'] = True
from sklearn.model_selection import GroupShuffleSplit, ShuffleSplit, GridSearchCV
from sklearn.metrics import mean_squared_error, mean_absolute_error
from xgboost import XGBRegressor
# from ray import tune
# import ray
# from keras.callbacks import TensorBoard
# from keras.models import Sequential
# from keras.callbacks import EarlyStopping
# from keras.layers import Dense, BatchNormalization, Dropout
# from kerastuner.tuners import RandomSearch, Hyperband, GridSearch
from datetime import datetime
import enlighten
import logging
import zipfile
import random
import joblib
import pickle
import time
import json
import os
def get_seed():
return random.randint(0, 2**32 - 1)
class eNoseTrainer:
def __init__(self, loader, splits=1, test_size=0.2, debug=False):
self.ledger = pd.DataFrame(columns=["node", "ts", "Dataset", "Samples", "Target", "Train Size", "Train Ratio", "Model", "Params", "Ratio", "Train mse", "mse", "mae", "rmse"])
self.loader = loader
self.splits = splits
self.name = self.loader.label_file
self.target = '_'.join(self.loader.target_list)
self.state = dict()
os.makedirs(self.name, exist_ok=True)
self.start = int(time.time())
log_format = '%(asctime)s | %(levelname)-8s | %(name)-15s | %(message)s'
date_format = '%Y-%m-%d %H:%M:%S'
logging.basicConfig(format=log_format, datefmt=date_format)
target_log = '{}/load-{}.log'.format(self.name, self.start)
fh = logging.FileHandler(target_log)
self.debug = debug
self.logger = logging.getLogger("eNoseTrainer")
if self.debug:
self.logger.setLevel(logging.DEBUG)
fh.setLevel(logging.DEBUG)
else:
self.logger.setLevel(logging.INFO)
fh.setLevel(logging.INFO)
self.logger.addHandler(fh)
self.ratio = test_size
self.loader.stats()
self.loadCheckPoint()
def loadCheckPoint(self):
if not os.path.isfile('{}/Simulaciones.xlsx'.format(self.name)):
self.saveCheckPoint()
with pd.ExcelFile('{}/Simulaciones.xlsx'.format(self.name)) as xls:
self.ledger = pd.read_excel(xls, sheet_name='Historial')
self.trained = self.ledger.shape[0]
with open('{}/vars.pickle'.format(self.name), 'rb') as pfile:
self.ratio, self.splits, self.state = pickle.load(pfile)
def saveCheckPoint(self):
with pd.ExcelWriter('{}/Simulaciones.xlsx'.format(self.name), engine='xlsxwriter') as xls:
self.ledger.to_excel(xls, sheet_name='Historial', index=False)
with open('{}/vars.pickle'.format(self.name), 'wb') as pfile:
pickle.dump((self.ratio, self.splits, self.state), pfile, protocol=pickle.HIGHEST_PROTOCOL)
self.trained = self.ledger.shape[0]
def wrap_and_save(self):
self.logger.info("{:=^60}".format(' Saving Summary and Wrap the output in a ZipFile '))
with pd.ExcelWriter('{}/Summary.xlsx'.format(self.name) , engine='xlsxwriter') as xls:
self.get_best_models().to_excel(xls, sheet_name='Results')
with zipfile.ZipFile('{}-{}.zip'.format(self.name, self.start), 'w', zipfile.ZIP_DEFLATED) as zipf:
for root, dirs, files in os.walk(self.name):
for file in files:
zipf.write(os.path.join(root, file))
def row_exists(self, dataset, model):
return self.ledger[(self.ledger["Dataset"] == dataset) & (self.ledger["Target"] == self.target) & (self.ledger["Model"] == model) & (self.ledger["Ratio"] == self.ratio)].shape[0] > 0
def model_A(self, hp):
model = Sequential()
model.add(Dense(units=hp.Int('units_input', min_value=48, max_value=56, step=8), input_dim=self.nvars, activation='relu'))
model.add(BatchNormalization())
model.add(Dropout(rate=hp.Float('dropout_input', min_value=0.1, max_value=0.1, step=0.1)))
model.add(Dense(units=hp.Int('units_hidden', min_value=32, max_value=48, step=8), activation='relu'))
model.add(BatchNormalization())
model.add(Dropout(rate=hp.Float('dropout_hidden', min_value=0.4, max_value=0.4, step=0.1)))
model.add(Dense(1, activation='sigmoid'))
model.compile(optimizer='adam', loss='binary_crossentropy', metrics=['accuracy', AUC()])
return model
def train_and_score_model_keras(self, X_train, X_test, y_train, y_test, seed, label):
# set_random_seed(seed)
ntrials = 6
tuner = RandomSearch(
self.get_model_train_keras,
objective='val_loss', #val_loss
# seed=seed,
max_trials=ntrials,
# executions_per_trial=1, # Número de ejecuciones por cada configuración
directory=self.name,
project_name='{}-{}'.format(label,seed))
self.logger.info("{:~^60}".format(' {}-{} '.format(label,seed)))
search_dir = "{}/keras-tuner-{}/".format(self.name,label)
os.makedirs(search_dir, exist_ok=True)
search_callback = TensorBoard(log_dir=search_dir)
early_stopping_search = EarlyStopping(monitor='val_loss', patience=13, min_delta=0.005, start_from_epoch=7, restore_best_weights=True)
tuner.search(X_train, y_train, epochs=150, batch_size=10, validation_data=(X_test, y_test), callbacks=[early_stopping_search, search_callback])
best_hps = tuner.get_best_hyperparameters(num_trials=1)[0]
self.trained += 1
self.bar.update()
return mse, mae, rmse, optimized_model, model_params
def get_model_train(self):
return [
XGBRegressor(objective='reg:squarederror'),
]
def get_tunable_params(self, model):
if isinstance(model, XGBRegressor):
return {
"n_estimators": [800, 1000, 1200],
"learning_rate": np.logspace(-1.5, -0.5, 3),
'max_depth': [5, 7, 9],
'subsample': [0.5, 0.75, 1.0],
# 'colsample_bytree': [0.8, 0.9, 1.0],
# 'gamma': [0, 0.1, 0.2],
# 'min_child_weight': [1, 3, 5]
}
elif isinstance(model, RandomForestClassifier):
return {
"n_estimators": [50, 100, 200],
"max_depth": [5, 10, 15],
"max_features": [2, 5, 10] #['n', 'max_depth', 'max_features', 'max_leaf_nodes', 'max_samples', 'min_impurity_decrease', 'min_samples_leaf', 'min_samples_split', 'min_weight_fraction_leaf', 'monotonic_cst', 'n_estimators', 'n_jobs', 'oob_score', 'random_state', 'verbose', 'warm_start']
}
else:
return {}
def train_and_score_model(self, model, X_train, X_test, y_train, y_test):
param_dist = self.get_tunable_params(model)
cv = ShuffleSplit(n_splits=self.splits//2, test_size=0.2, random_state=get_seed())
grid_search = GridSearchCV(estimator=model, param_grid=param_dist, scoring='neg_mean_squared_error', cv=cv, verbose=10, n_jobs=-1)
grid_search.fit(X_train, y_train)
optimized_model = grid_search.best_estimator_
model_params = grid_search.best_params_
y_aux = optimized_model.predict(X_train)
tmse = mean_squared_error(y_train, y_aux)
y_pred = optimized_model.predict(X_test)
mse = mean_squared_error(y_test, y_pred)
mae = mean_absolute_error(y_test, y_pred)
rmse = np.sqrt(mse)
return tmse, mse, mae, rmse, optimized_model, model_params
def fit(self):
total_train_queue = self.splits*len(self.get_model_train())
self.logger.info("{:=^60}".format(f'Begin Fit {total_train_queue} Models'))
self.trained = 0
manager = enlighten.get_manager()
self.bar = manager.counter(total=total_train_queue, count=self.trained, desc='Tunning', unit='Models',
format='{desc}{desc_pad}{percentage:3.0f}%|{bar}| {count:{len_total}d}/{total:d} [{elapsed}<{eta}, {rate:.2f}{unit_pad}{unit}/s]'
)
node = os.uname()[1]
X_xboost, Y_xboost, G_xboost = self.loader.load_dataset_xboost()
gss = GroupShuffleSplit(n_splits=self.splits, test_size=self.ratio, random_state=get_seed())
dataset = 'Tabular'
os.makedirs('{}/{}/{}'.format(self.name, self.target, dataset), exist_ok=True)
for i, (train_index, test_index) in enumerate(gss.split(X_xboost, Y_xboost, G_xboost)):
X_train, X_test = X_xboost[train_index], X_xboost[test_index]
y_train, y_test = Y_xboost[train_index], Y_xboost[test_index]
for model in self.get_model_train():
model_id = "{}_{}".format(type(model).__name__, i)
self.trained += 1
if self.row_exists(dataset, model_id):
self.bar.update()
continue
model_file = '{}/{}/{}/{}'.format(self.name, self.target, dataset, model_id )
tmse, mse, mae, rmse, optimized_model, model_params = self.train_and_score_model(model, X_train, X_test, y_train, y_test)
ts = datetime.now().strftime("%d/%m/%Y %H:%M:%S")
joblib.dump(optimized_model, model_file)
newrow = pd.DataFrame( [{"node": node,
"ts": ts,
"Dataset": dataset,
"Samples": Y_xboost.shape[0],
"Target": self.target,
"Train Size": y_train.shape[0],
"Train Ratio": y_train.shape[0]/Y_xboost.shape[0],
"Ratio": self.ratio,
"Model": model_id,
"Params": json.dumps(model_params),
"Train mse": tmse,
"mse": mse,
"mae": mae,
"rmse": rmse
}] )
self.ledger = pd.concat([self.ledger, newrow], ignore_index=True)
self.bar.update()
self.saveCheckPoint()
# if self.dnn:
# model_file = '{}/{}/DNN_{}'.format(self.name, label, seed )
# model_label = "{}".format(label)
#
# accuracy, specificity, recall, f1, roc_auc, optimized_model, parms = self.train_and_score_model_keras(X_train, X_test, y_train, y_test, seed, model_label)
# ts = datetime.now().strftime("%d/%m/%Y %H:%M:%S")
#
# newrow = pd.DataFrame( [{"node": node,
# "ts": ts,
# "Dataset": model_label,
# "Model": 'DNN',
# "Params": parms,
# "Seed": seed,
# "F1": f1,
# "ROC_AUC": roc_auc
# }] )
# self.ledger = pd.concat([self.ledger, newrow], ignore_index=True)
self.bar.close()

21
create_conda.sh 100755
View File

@ -0,0 +1,21 @@
# prompt: create a bash script that check if a single argument was given and install this conda packages: python scikit-learn keras pandas numpy matplotlib tensorflow openpyxl enlighten
# if the user dont input any argument or more than 1 print a help to use the script
#!/bin/bash
if [ $# -ne 1 ]; then
echo "Usage: $0 <environment_name>"
echo ""
echo " Installs conda packages for a specified environment."
echo " Example: $0 enose1"
exit 1
fi
env_name=$1
conda create -n "$env_name" python scikit-learn==1.3.1 xgboost keras pandas numpy matplotlib tensorflow openpyxl xlsxwriter conda-forge::enlighten
if [ $? -eq 0 ]; then
echo "Packages installed successfully in environment '$env_name'"
else
echo "Aborted."
fi

21
train_sequence.py 100644
View File

@ -0,0 +1,21 @@
from LoaderClass import GasSensorDataLoader
from TrainerClass import eNoseTrainer
import warnings
warnings.filterwarnings("ignore")
source_channels=["MQ 8", "MQ 9", "MQ 135", "TGS 813", "TGS 821", "TGS 2600", "TGS 2602", "TGS 2611-0", "TGS 2612", "TGS 2620"]
#target_variables=['C2H2', 'CH4', 'C3H6', 'CO', 'C2H6', 'C3H8', 'C2H4', 'H2', 'O2']
#target_variables=['C2H2']
#eNoseLoaderC2H2 = GasSensorDataLoader("enose_dataset", threshold=0.85, source_channels=source_channels, target_list=target_variables, debug=False)
#eNoseC2H2 = eNoseTrainer(eNoseLoaderC2H2, splits=3, test_size=0.2, debug=True)
#eNoseC2H2.fit()
target_variables=['CH4']
eNoseLoaderCH4 = GasSensorDataLoader("enose_dataset", threshold=0.85, source_channels=source_channels, target_list=target_variables, debug=False)
eNoseCH4 = eNoseTrainer(eNoseLoaderCH4, splits=3, test_size=0.2, debug=True)
eNoseCH4.fit()
#eNose.wrap_and_save()