def train_net(self,
model_s,
batch_size = 128,
epochs = 20
):
n_classes = 2
# self.reduce_data(20)
#
# # Generate new instances to fix any class imbalance(relevant for (16,) set)
# sm = SMOTE()
# self.X, self.labels = sm.fit_resample(self.X, self.labels)
# Recalculate energy for SMOTEd instances
# self.restore_energy_labels()
# if self.verbose:
# print('Done SMOTEing')
# Test/train split
x_train, x_test, y_train, y_test = train_test_split(self.X, self.labels, test_size = .2, shuffle = True)
if self.verbose:
print('Training balance: %.2f. Testing balance: %.2f' % (np.sum(y_train)/len(y_train), np.sum(y_test)/len(y_test)))
input_shape = None
if is_cnn(model_s):
grey2rgb = requires_rgb(model_s)
x_train, input_shape = self.prepare_X_for_cnn(x_train, grey2rgb)
x_test, _ = self.prepare_X_for_cnn(x_test, grey2rgb)
# convert class vectors to binary class matrices
y_train = keras.utils.to_categorical(y_train, n_classes)
y_test = keras.utils.to_categorical(y_test, n_classes)
# Squawk if desired
if self.verbose:
print('x_train shape:', x_train.shape)
print(x_train.shape[0], 'train samples')
print(x_test.shape[0], 'test samples')
# Get it
model = get_model(model_s, input_shape)
"""
CNN will likely overfit XY states, at least on L = 7 lattice. Hence we need early stopping.
Patience is set to epochs such that we keep looking for the best model over all epochs.
"""
es = EarlyStopping(monitor = 'val_loss', mode = 'min', patience = epochs, verbose = 1)
# We also want to store our best model, as judged by accuracy
mc = ModelCheckpoint('Models/Epoch{epoch:02d}_Acc{val_acc:.2f}_V%d_L%d_M%d_N%d_%s.h5' % (int(self.X_vortex), self.L, self.M, self.N, model_s) , monitor='val_acc', mode='max', verbose=1, save_best_only=True)
# Check for boosting
if self.boost_nn and is_nn(model_s):
# Different convention for labels. AdaBoostClassifier expects Y to be of form (nsamples,)
# This in turn means models in get_model must be modified _WHEN_ used in conjuction with AdaBoostClf
y_test = y_test[:, 0] + y_test[:, 1]*-1
y_train = y_train[:, 0] + y_train[:, 1]*-1
y_test = (y_test+1)/2
y_train = (y_train+1)/2
build = lambda: get_model(model_s, input_shape)
est = KerasClassifier(build_fn = build, epochs = epochs, batch_size = batch_size, verbose = 0)
model = AdaBoostClassifier(base_estimator = est, n_estimators = 1)
x_train, x_val, y_train, y_val = train_test_split(x_train, y_train, test_size = .1)
print(x_train.shape, y_train.shape)
model.fit(x_train, y_train)
self.MODEL = model
self.XTE = x_test
# Need to construct our own history manually
pred_val = model.staged_predict(x_val)
pred_tr = model.staged_predict(x_train)
accs_val = []
accs_train = []
for predv, predr in zip(pred_val, pred_tr):
accs_val.append(accuracy_score(predv, y_val))
accs_train.append(accuracy_score(predr, y_train))
# Bit lazy, but using accuracy is less hassle. But then we need to trick ourselves:
history = Bunch()
history.history = {'loss': accs_train,
'val_loss': accs_val
}
score = (-1, accuracy_score(model.predict(x_test), y_test))
# If it's an AdaBoosted neural net, we won't do early stopping or save/load.
# It's hackish, but we just store it in instance. Why? Because we already know
# it'll perform worse than a CNN, so it's not worth the effort at the moment.
self.model_adaboost = model
else:
# Fit and record history
history = model.fit(x_train, y_train,
batch_size=batch_size,
epochs=epochs,
verbose=1,
callbacks = [es, mc],
validation_split = 0.1)
# Get the score on the unseen test set
score = model.evaluate(x_test, y_test, verbose=0)
# Squawk if desired
if self.verbose:
print('Test loss:', score[0])
print('Test accuracy:', score[1])
y_true = y_test[:, 1].astype(int)
y_pred = np.round(model.predict(x_test)[:, 1]).astype(int)
self.AA = y_true
self.BB = y_pred
print(classification_report(y_true, y_pred))
self.f1 = f1_score(y_true, y_pred)
print('F1-score: %.3f' % self.f1)
print(confusion_matrix(y_true, y_pred))
self.rocauc = roc_auc_score(y_true, y_pred)
self.accuracy = accuracy_score(y_true, y_pred)
# Plot training history
fig = plt.figure()
ax = fig.add_subplot(111)
ax.plot(history.history['loss'], label = 'train')
ax.plot(history.history['val_loss'], label = 'val')
ax.set_xlabel('Epoch')
ax.set_ylabel('Loss')
if is_nn(model_s) and self.boost_nn:
ax.set_ylabel('Accuracy')
ax.set_title('Model: %s, Test score: %.3f' % (model_s, score[1]))
ax.legend()
# Save the plot to file
plt.savefig('Plots/TrainTestScores/V%d_L%d_M%d_N%d_%s.png' % (int(self.X_vortex), self.L, self.M, self.N, model_s) )
# Save a graph of the model
plot_model(model, to_file = 'Plots/Model Graphs/%s.png' % (model_s) )
# And show plot if desired
if self.plotty:
plt.show()
monitor='val_loss',
save_best_only=True)
]
# In[87]:
history = model.fit(x_train,
y_train,
epochs=250,
batch_size=16,
validation_data=(x_test, y_test),
callbacks=callbacks)
from keras.models import load_model
# model = load_model('best_model.h5', custom_objects={"NoisyRMSprop":noisy()})
model = load_model('best_model.h5')
model.evaluate(x_test, y_test)
# ### Try ANN again with first 64 of 128 time values per row
# In[88]:
x_test = np.dstack(
(test1.iloc[:, 0:64], test2.iloc[:, 0:64], test3.iloc[:, 0:64],
test4.iloc[:, 0:64], test5.iloc[:, 0:64], test6.iloc[:, 0:64],
test7.iloc[:, 0:64], test8.iloc[:, 0:64], test9.iloc[:, 0:64]))
x_train = np.dstack(
(train1.iloc[:, 0:64], train2.iloc[:, 0:64], train3.iloc[:, 0:64],
train4.iloc[:, 0:64], train5.iloc[:, 0:64], train6.iloc[:, 0:64],
train7.iloc[:, 0:64], train8.iloc[:, 0:64], train9.iloc[:, 0:64]))
print(x_train.shape)
print(x_test.shape)
class ModelManager(object):
"""Manage and control models during training and test (TODO: prediction)"""
def __init__(self, args, data_loader, build_dnn_model, send_metric):
super(ModelManager, self).__init__()
self.args = args
self.send_metric = send_metric or (lambda _, __: None)
self.data = data_loader
self.max_feature = int(eval(args.max_feature))
self.model_name = args.model_name
self.epochs = args.epochs
self.input_length = self.data.nb_features
self.batch_size = args.batch_size
self.sess_id = '%s_%s_%s' % (
args.id_prefix, self.data.data_label, args.model_name
or args.machine_learning) + ('_ol' if args.online_learning else '')
self.steps_per_epoch = args.steps_per_epoch
self.class_weight = {
0: 1,
1: eval(args.imb_learn[2:]) if 'cw' in args.imb_learn else 1
}
self.threshold = eval(
args.imb_learn[2:]) if 'th' in args.imb_learn else .5
self.build_dnn_model = build_dnn_model
self.trained_path = args.trained_path or 'results/trained_models/last_model.h5'
self.continue_train = args.continue_train
self.eval_trained = args.eval_trained
self.feed_mode = args.feed_mode
self.no_save = args.prod or args.no_save
self.export_option = args.prod or args.export_option
self.summary = args.summary
self.max_q_size = 256
self.workers = 1
self.verbose = args.verbose
self.no_eval = args.no_eval
self.online_learning = args.online_learning
self.prod = args.prod
self.val_feed_mode = args.val_feed_mode
self.machine_learning = args.machine_learning
self.load_data = self.data.load_data
self.train_xy = (None, None) # avoid reloading data
self.validation_xy = [None, None]
self.predict_x = None
self.lst_thresholds = [
0, 0.001, 0.005, 0.01, 0.015, 0.02, 0.025, 0.05, 0.1, 0.2, 0.5
]
self._make_dirs()
if self.prod:
self.callbacks = []
else:
tbCB = tensorBoard('results/tensorboard/tbGraph_%s/' %
self.sess_id,
track_by_samples=True)
self.callbacks = [tbCB]
def _make_dirs(self):
if self.prod:
dirs = ['results/exported_model_cc/']
else:
dirs = [
'results/trained_models/', 'results/tensorboard/',
'results/backups/', 'results/figures_prc/',
'results/different_thresholds/', '.cache/',
'results/exported_model_cc/'
]
[os.path.exists(d) or os.makedirs(d) for d in dirs]
def _start_dnn(self):
self.start_time = time()
# build or load Keras model
if self.eval_trained or self.continue_train:
print('Loading model from: ', self.trained_path)
self.model = load_model(self.trained_path)
else:
self.model = self.build_dnn_model(self.model_name,
self.max_feature,
self.input_length)
# print model summar
if self.summary:
self.model.summary()
# save graph
# plot_model(self.model, to_file='results/model.png', show_shapes=True) # TMP
# start training model
if not self.eval_trained:
print('\n', strftime('%c'))
if self.feed_mode == 'all':
history = self._train_on_all()
elif self.feed_mode == 'batch':
history = self._train_by_batch()
elif self.feed_mode == 'generator':
history = self._train_on_generator()
else:
raise ValueError('Invalid `feed_mode`: ' + self.feed_mode)
final_train_loss = history.history['loss'][-1]
logger.info('Finished training model, final training loss: %.4f' %
final_train_loss)
loss_path = 'results/loss.txt'
loss_dict = {'training loss': str(final_train_loss)}
json.dump(loss_dict, open(loss_path, 'w'))
self.send_metric('model_training_loss', final_train_loss)
time_used = str(timedelta(seconds=int(time() - self.start_time)))
print('Training runtime:', time_used)
# store model and backup config
if not (self.no_save or self.eval_trained):
self._save_and_backup()
# evaluate the model
if not (self.prod or self.no_eval):
print('Evaluation')
if self.val_feed_mode == 'all':
self.validation_xy = self.validation_xy or self.load_data(
'val', feed_mode='all')
probs = self.model.predict(self.validation_xy[0],
batch_size=self.batch_size * 64,
verbose=1)
if self.val_feed_mode == 'batch':
self.validation_xyb = self.load_data('val', feed_mode='batch')
raise NotImplementedError
self._get_metric_scores(self.validation_xy[1], probs,
self.model_name)
# export model for tensorflow serving
if self.export_option:
# self._export_model_for_tfserving(self.model)
self._export_model_for_tfcc()
# predict new data
if self.args.predict_path:
self.predict_x = self.load_data('pred', feed_mode='all')
probs = self.model.predict(self.predict_x,
batch_size=self.batch_size * 64,
verbose=1)
np.savetxt('results/predicted_probabilites.csv', probs, fmt='%.8f')
print('Done prediction for data in %s\n' % self.args.predict_path)
def _export_model_for_tfcc(self):
import tensorflow as tf
from keras import backend as K
from os import path as osp
K.set_learning_phase(0)
with K.get_session() as sess:
# Alias the outputs in the model - this sometimes makes them easier to access in TF
pred = []
# add another node to copy the output node
new_output = tf.identity(self.model.output[0], name='click_proba')
print('Output node name: ', 'click_proba')
outdir = 'results/exported_model_cc/'
name = 'graph.pb'
# Write the graph in binary .pb file
from tensorflow.python.framework import graph_util
from tensorflow.python.framework import graph_io
constant_graph = graph_util.convert_variables_to_constants(
sess, sess.graph_def, ['click_proba'])
graph_io.write_graph(constant_graph, outdir, name, as_text=False)
print('Saved the constant graph (ready for inference) at: ',
osp.join(outdir, name))
def _export_model_for_tfserving(self, model):
"""Export model for tensorflow serving (not tested if they work with
tensorflow c++)
"""
if self.prod:
do_export = 'y'
else:
do_export = input(
'Export model for tensorflow serving? [Y/n]') or 'y'
if 'y' in do_export.lower():
import tensorflow as tf
from keras import backend as K
from tensorflow.python.saved_model import builder as saved_model_builder
from tensorflow.python.saved_model import tag_constants
from tensorflow.python.saved_model.signature_def_utils_impl import predict_signature_def
if self.prod:
version_num = 1
else:
version_num = input('Version number (int): (default: 1) ') or 1
export_path = 'results/exported_model/%d/' % version_num
if os.path.exists(export_path):
shutil.rmtree(export_path)
builder = saved_model_builder.SavedModelBuilder(export_path)
signature = predict_signature_def(
inputs={'request': model.input},
outputs={'click_probability': model.output})
K.set_learning_phase(0)
with K.get_session() as sess:
builder.add_meta_graph_and_variables(
sess=sess,
tags=[tag_constants.SERVING],
signature_def_map={'predict': signature})
builder.save()
print('Done exporting!\nYou can pass the exported model to'
' tensorflow serving or reload it'
' with tensorflow c++ API\n')
logger.info('Exported model to path: %s' % export_path)
return export_path
def _start_xgboost(self, tr_xy, va_xy):
from xgboost import XGBClassifier
self.start_time = time()
print('\nRunning Xgboost\n')
self.model = XGBClassifier(max_depth=7,
max_delta_step=1,
silent=False,
n_estimators=178,
learning_rate=0.1,
objective='binary:logistic',
min_child_weight=1,
scale_pos_weight=1)
self.model.fit(*tr_xy,
eval_set=[va_xy],
eval_metric='logloss',
verbose=True)
train_time = str(timedelta(seconds=int(time() - self.start_time)))
print('Training runtime:', train_time)
probs = self.model.predict_proba(va_xy[0])[:, 1:]
self._get_metric_scores(va_xy[1], probs, 'xgboost')
def _start_randomforest(self, tr_xy, va_xy):
from sklearn.ensemble import RandomForestClassifier
self.start_time = time()
print('\nRunning Random Forest\n')
self.model = RandomForestClassifier(n_estimators=200,
criterion='gini',
max_depth=5,
min_samples_split=2,
min_samples_leaf=1,
min_weight_fraction_leaf=0.0,
max_features='auto',
max_leaf_nodes=None,
min_impurity_split=1e-07,
bootstrap=True,
oob_score=False,
n_jobs=4,
random_state=None,
verbose=1,
warm_start=False,
class_weight=None)
self.model.fit(*tr_xy)
train_time = str(timedelta(seconds=int(time() - self.start_time)))
print('Training runtime:', train_time)
probs = self.model.predict_proba(va_xy[0])[:, 1:]
self._get_metric_scores(va_xy[1], probs, 'random_forest')
def _start_adaboost(self, tr_xy, va_xy):
from sklearn.ensemble import AdaBoostClassifier
self.start_time = time()
print('\nRunning Adaboost\n')
self.model = AdaBoostClassifier(n_estimators=100,
learning_rate=.3,
algorithm='SAMME.R',
random_state=None)
self.model.fit(*tr_xy)
train_time = str(timedelta(seconds=int(time() - self.start_time)))
print('Training runtime:', train_time)
probs = self.model.predict_proba(va_xy[0])[:, 1:]
self._get_metric_scores(va_xy[1], probs, 'adaboost',
feature_importance)
def _get_metric_scores(self, y_real, y_proba, model_name):
"""Calculate metric scores. Input shape must be (n, 1)
# Arguments
y_real: 1D array-like ground truth (correct) target values.
y_proba: 1D array-like estimated probabilities as returned by a
classifier (model).
model_name: name of the model to evaluate.
# Returns
A set of evaluation results stored in the generated folder
'results', where the file 'results.csv' appends scalar values,
the folder 'different_thresholds' stores a table of different
decision thresholds and their corresponding scores of
precision, recall, true positives, etc. The precision-recall
curve is registered in the folder 'pics_prc'.
"""
def metrics_prf(y_real, y_pred):
"""Compute precision, recall and f-measure"""
TP = np.sum(y_pred * y_real).astype('int')
real_pos = np.sum(y_real).astype('int')
pred_pos = np.sum(y_pred).astype('int')
P = TP / (pred_pos + 1e-15)
R = TP / (real_pos + 1e-15)
Fm = 2 * P * R / (P + R + 1e-15)
FP = pred_pos - TP
FN = real_pos - TP
TN = len(y_real) - real_pos - FP
return P, R, Fm, TP, FP, FN, TN, real_pos, pred_pos
def get_prf_for_diff_thresholds(y_real, y_proba, threshold):
pred_classes = (y_proba > threshold).astype('int8')
P, R, Fm, TP, FP, FN, TN, _, _ = metrics_prf(y_real, pred_classes)
return Fm, P, R, TP, FP, FN, TN
# 1 logloss
logloss = log_loss(y_real, y_proba)
# 2 ROC AUC score
aucRoc = roc_auc_score(y_real, y_proba)
# 3 precision-recall curve and PR AUC score
precision, recall, thresholds = precision_recall_curve(y_real, y_proba)
aucPrc = auc(recall, precision)
# plt.clf()
plt.plot(recall,
precision,
label='%s (aucPR=%.4f)' % (self.sess_id, aucPrc))
plt.xlabel('Recall')
plt.ylabel('Precision')
plt.ylim([0.0, 1.05])
plt.xlim([0.0, 1.05])
# plt.title('%s - PRCurve ' % self.sess_id)
plt.legend(loc="upper right")
# plt.show()
# 4 confusion matrix
pred_classes = (y_proba > self.threshold).astype('int8')
report = classification_report(y_real, pred_classes)
P, R, Fm, TP, FP, FN, TN, RP, PP = metrics_prf(y_real, pred_classes)
print('\n', report)
print('\nUsing threshold %f' % self.threshold)
print(
' - Precision: %.4f (%d/%d)\n - Recall: %.4f (%d/%d)\n - TP: %d\t'
'- FP: %d\n - FN: %d\t- TN: %d\n - F1: %.4f\t- Logloss: %.4f\n'
' - aucRoc: %.4f - aucPR: %.4f\n' %
(P, TP, PP, R, TP, RP, TP, FP, FN, TN, Fm, logloss, aucRoc,
aucPrc))
# 5 different thresholds
lst_pr_segs = [
get_prf_for_diff_thresholds(y_real, y_proba, th)
for th in self.lst_thresholds
]
# 6 feature importance
has_f_imp = hasattr(self.model, 'feature_importances_')
if has_f_imp:
f_imp = pd.DataFrame({
'Feature': self.data.features,
'Score': self.model.feature_importances_
})
f_imp.sort_values(by='Score', ascending=False, inplace=True)
f_imp = f_imp.round(8)
print(f_imp)
print('Train pos ratio: %.8f' % (self.data.train_pos_frac),
'Test pos ratio: %.8f' % self.data.test_pos_frac)
# write to results.csv
if not self.no_save:
np.savetxt('results/different_thresholds/%s' % self.sess_id,
np.hstack(
(list(zip(self.lst_thresholds)), lst_pr_segs)),
fmt='%.4f\t%.4f\t%.4f\t%.4f\t%d\t%d\t%d\t%d',
header='Threshold\tF\tP\tR\tTP\tFP\tFN\tTN')
plt.savefig('results/figures_prc/%s_%.4f.png' %
(self.sess_id, aucPrc))
path_results_csv = 'results/results.csv'
exists_csv = os.path.exists(path_results_csv)
with open(path_results_csv, 'a+') as res:
if not exists_csv:
res.write(
'Data\taucRoc\tlogLoss\taucPrc\tF\tP\tR\tTP\tFP\tFN'
'\tTN\tnbTrain\tratioTrain\tnbTest\tratioTest\t'
'epochs\trunTime\tDate\n\n')
res.write(
'%s\t%.4f\t%.4f\t%.4f\t%.4f\t%.4f\t%.4f\t%d\t%d\t%d\t%d\t'
'%d\t%.4f\t%d\t%.4f\t%d\t%s\t%s\n' %
(self.sess_id, aucRoc, logloss, aucPrc, Fm, P, R, TP, FP,
FN, TN, self.data.nb_train, self.data.train_pos_frac,
self.data.nb_test, self.data.test_pos_frac, self.epochs,
timedelta(seconds=int(time() - self.start_time)),
strftime('%c')))
if has_f_imp:
f_imp.to_csv('results/feature_importances_%s' % model_name,
sep='\t',
index=None,
float_format='%.8f')
print('\nWritten results to files.\n\n')
def _train_by_batch(self):
# batch finite generator should be loaded within epoch loop
logger.info('Start training by batch')
self.validation_xy = self.load_data('val', feed_mode='all')
do_validation = bool(self.validation_xy)
# prepare display labels in tensorboard
out_labels = self.model._get_deduped_metrics_names()
callback_metrics = out_labels + ['val_' + n for n in out_labels]
# prepare callbacks
self.model.history = History()
callbacks = [BaseLogger()] + (self.callbacks
or []) + [self.model.history]
# callbacks = (self.callbacks or []) + [self.model.history]
if self.verbose:
callbacks += [ProgbarLogger(count_mode='samples')]
callbacks = CallbackList(callbacks)
# it's possible to callback a different model than this model
if hasattr(self.model, 'callback_model') and self.model.callback_model:
callback_model = self.model.callback_model
else:
callback_model = self.model
callbacks.set_model(callback_model)
callbacks.set_params({
'epochs': self.epochs,
'samples': self.data.nb_train,
'verbose': self.verbose,
'do_validation': do_validation,
'metrics': callback_metrics,
})
callbacks.on_train_begin()
for epoch in range(self.epochs):
start_e = time()
callbacks.on_epoch_begin(epoch)
xy_gen = self.load_data('train', feed_mode='batch')
logger.info('New training epoch')
for batch_index, (x, y) in enumerate(xy_gen):
# build batch logs
batch_logs = {}
if isinstance(x, list):
batch_size = x[0].shape[0]
elif isinstance(x, dict):
batch_size = list(x.values())[0].shape[0]
else:
batch_size = x.shape[0]
batch_logs['batch'] = batch_index
batch_logs['size'] = batch_size
callbacks.on_batch_begin(batch_index, batch_logs)
outs = self.model.train_on_batch(x, y)
if not isinstance(outs, list):
outs = [outs]
for l, o in zip(out_labels, outs):
batch_logs[l] = o
callbacks.on_batch_end(batch_index, batch_logs)
if (batch_index + 1) % 1000 == 0 and do_validation:
val_outs = self.model.evaluate(*self.validation_xy,
batch_size=81920,
verbose=0)
batch_logs = {}
if not isinstance(val_outs, list):
val_outs = [val_outs]
for l, o in zip(out_labels, val_outs):
batch_logs['val_' + l] = o
print(' - Eval inside: %.6f' % val_outs[0])
for cb in self.callbacks:
if cb.__class__ == tensorBoard:
cb.on_batch_end(batch_index,
batch_logs,
count=False)
epoch_logs = {}
if do_validation:
val_outs = self.model.evaluate(*self.validation_xy,
batch_size=81920,
verbose=0)
if not isinstance(val_outs, list):
val_outs = [val_outs]
# Same labels assumed.
for l, o in zip(out_labels, val_outs):
epoch_logs['val_' + l] = o
callbacks.on_batch_end(epoch, epoch_logs)
callbacks.on_epoch_end(epoch, epoch_logs)
elapsed_e = timedelta(seconds=int(time() - start_e))
self.send_metric('elapsed_per_epoch', elapsed_e)
if not self.no_save and do_validation and (epoch !=
self.epochs - 1):
self.model.save(
'results/trained_models/%s_ctr_model_%.4f_epoch_%d.h5' %
(self.sess_id, val_outs[0], epoch))
callbacks.on_train_end()
return self.model.history
def _train_on_all(self):
self.train_xy = self.load_data('train', feed_mode='all')
self.validation_xy = self.load_data('val', feed_mode='all')
return self.model.fit(*self.train_xy,
epochs=self.epochs,
batch_size=self.batch_size,
validation_data=self.validation_xy,
shuffle=True,
callbacks=self.callbacks)
def _train_on_generator(self):
tr_xy = self.load_data('train', feed_mode='generator')
self.validation_xy = self.load_data('val', feed_mode='all')
return self.model.fit_generator(tr_xy,
steps_per_epoch=self.steps_per_epoch,
epochs=self.epochs,
validation_data=self.validation_xy,
class_weight=self.class_weight,
max_q_size=self.max_q_size,
workers=self.workers,
pickle_safe=False,
initial_epoch=0,
verbose=self.verbose,
callbacks=self.callbacks)
def _save_and_backup(self):
self.model.save('results/trained_models/%s_model.h5' % (self.sess_id))
self.model.save(self.trained_path)
file_name = None # TODO: get name of the file to backup
# con_p = 'results/backups/%s_%s.py' % (self.sess_id, file_name)
# shutil.copyfile(file_name, con_p)
# with open(con_p, 'a+') as cout:
# cout.write('\n# Arguments applied to this run:\n# ' +
# str(self.args))
print('\nSaved model to %s' % self.trained_path)
def start(self):
"""Start. """
if self.model_name:
self._start_dnn()
ml = self.machine_learning
if ml:
tr_xy = self.train_xy or self.load_data('train', feed_mode='all')
va_xy = self.validation_xy or self.load_data('test',
feed_mode='all')
if 'xgb' in ml:
self._start_xgboost(tr_xy, va_xy)
if 'rf' in ml:
self._start_randomforest(tr_xy, va_xy)
if 'adab' in ml:
self._start_adaboost(tr_xy, va_xy)
file_name = 'adaboost_model_' + str(
int(round(self.score * 10000, 1)))
joblib.dump(self.model, file_name)
if __name__ == '__main__':
# classifier = AdaBoostClassifier(
# # data_file='RD-RDT DATA ALL.csv',
# train_set=merge_data(group3 + group2),
# val_set=merge_data(group1),
# )
# classifier.fit()
# classifier = AdaBoostClassifier(
# # data_file='RD-RDT DATA ALL.csv',
# train_set=merge_data(group1 + group3),
# val_set=merge_data(group2),
# )
# classifier.fit()
classifier = AdaBoostClassifier(
# data_file='RD-1P.csv',
train_set=merge_data(group1 + group2),
val_set=merge_data(group3),
)
classifier.fit()
# classifier.save_model()
# classifier.load_model('rf_model_8629')
for file in files:
classifier.evaluate(data_file=file)