def main():
# construct the argument parse and parse the arguments
ap = argparse.ArgumentParser()
ap.add_argument("-d",
"--data_dir",
required=True,
help="Path to the images directory")
ap.add_argument("-m",
"--model_path",
required=True,
help="Path to the the model")
ap.add_argument("-i",
"--input",
type=int,
required=True,
default=299,
help="The input size")
ap.add_argument("-o",
"--output",
required=True,
help="Path to the output file")
args = vars(ap.parse_args())
size = args['input']
# model
print("Loading model...")
subdir = args["model_path"]
model_path = glob.glob(subdir + '*.h5')[-1]
model = load_model(model_path)
# data
print("Reading data...")
filenames, _, _ = read_data(args["data_dir"])
n_files = len(filenames)
# encoding
print("Encoding images...")
index_to_filename = {}
filename_to_path = {}
features = np.zeros((n_files, model.output.shape[1]))
for i in tqdm.tqdm(range(n_files)):
image_id = extract_image_id(filenames[i])
index_to_filename[i] = image_id
filename_to_path[image_id] = filenames[i]
#print("->", image_id)
image = load_image(filenames[i], (size, size))
image = image.reshape((1, ) + image.shape)
features[i] = np.squeeze(model(image))
# save transfer values
np.save(args["output"], features)
with open("index_to_filename.json", "w") as f:
json.dump(index_to_filename, f, indent=4, ensure_ascii=False)
with open("filename_to_path.json", "w") as f:
json.dump(filename_to_path, f, indent=4, ensure_ascii=False)
def cross_validate(args):
assert len(args['bw_key']) == len(args['bw'])
if not os.path.exists(args['outfolder']):
os.makedirs(args['outfolder'])
args['phi0'] *= 1e-18 # correct units
kf = KFold(n_splits=args['kfold'], random_state=args['rs'], shuffle=True)
config = read_config()
print('Load MC: {}'.format(config['IC_MC']['path']))
mc = np.load(str(config['IC_MC']['path']))[:]
mc = mc_cut(mc)
if args['weights'] == 'pl':
weights = mc['orig_OW'] * plaw(mc['trueE'], phi0=args['phi0'],
gamma=args['gamma'])
elif args['weights'] == 'conv':
weights = mc['conv']
elif args['weights'] == 'conv+pl':
diff_weight = mc['orig_OW'] * plaw(mc['trueE'], phi0=args['phi0'],
gamma=args['gamma'])
weights = mc['conv'] + diff_weight
print('Rates [1/yr]:')
print(np.sum(mc['conv']) * np.pi * 1e7)
print(np.sum(diff_weight) * np.pi * 1e7)
else:
print('{} is not a valid weights argument'.format(args['weights']))
sys.exit(0)
mc = append_fields(mc, 'cur_weight', weights)
args['weights'] = 'default'
model, mname = load_model(args['model'])
bw_dict = dict()
for i, key in enumerate(args['bw_key']):
bw_dict[key] = args['bw'][i]
lh_arr, zero_arr = [], []
for train_index, val_index in kf.split(mc):
args['no_save'] = True
res_dict = create_KDE(args, mc=mc[train_index], bws=bw_dict)
mc_val = mc[val_index]
val_settings, grid = model.setup_KDE(mc_val)
lh, zeros = do_validation(res_dict, val_settings, mc_val['cur_weight'])
print('Number of zeros {}'.format(zeros))
print('Likelihood Value {}'.format(lh))
zero_arr.append(zeros)
lh_arr.append(lh)
fname = ''
for i in range(len(args['bw'])):
fname += '{}_{}_'.format(args['bw_key'][i], args['bw'][i])
fname = fname[:-1] + '.npy'
odict = {'zeros': zero_arr, 'lh': lh_arr}
np.save(os.path.join(args['outfolder'], fname), odict)
def main():
#Args
args1 = arg_parser_test()
#Load the model
model=load_model(args1.checkpoint)
#label
with open(args1.cat_name_dir,'r') as json_file:
cat_to_name = json.load(json_file)
#Prediction
probabilities = predict(args1.image_path, model, args1.top_k)
labels = [cat_to_name[str(index + 1)] for index in np.array(probabilities[1][0])]
probability = np.array(probabilities[0][0])
i=0
while i < args1.top_k:
print("{} with a probability of {}".format(labels[i], probability[i]))
i += 1
print("Predictiion is done !")
def main():
#print("hello world") for luck
in_arg = predict_input_args()
print(" image =", in_arg.image_dir, "\n model checkpoint =",
in_arg.load_dir, "\n top k =", in_arg.top_k, "\n device =",
in_arg.device, "\n json =", in_arg.json)
model, optimizer = load_model(in_arg.load_dir, in_arg.device)
probs, classes, labels = predict(in_arg.image_dir, model, in_arg.json,
in_arg.top_k, in_arg.device)
results = dict(zip(labels, probs))
print("-" * 40)
for x in results:
print(" {:20s} {:.2f}%".format(x.title(), results[x] * 100))
def main():
args = parser_fun_test()
with open(args.cat_to_name, 'r') as f:
cat_to_name = json.load(f)
# load the model
loaded = torch.load("trained_model.pth")
model = load_model(loaded)
# prediction
probabilities = predict(args.image_path, model, args.top_k, 'gpu')
labels = [
cat_to_name[str(index + 1)] for index in np.array(probabilities[1][0])
]
probability = np.array(probabilities[0][0])
i = 0
while i < args.top_k:
print("{} with a probability of {:.5f}".format(labels[i],
probability[i]))
i += 1
print("Predictiion is done !")
def predict(id_curr):
"""returns the elements of prediction page"""
sns.reset_orig()
X_train = load_training_data()
X_test = load_test_data()
lgbm = load_model()
print("id data", hex(id(X_train)))
print("id lgbm", hex(id(lgbm)))
explainer = compute_tree_explainer(lgbm, X_train)
print("id explainer", hex(id(explainer)))
ids_avail = X_test["SK_ID_CURR"]
if (ids_avail == id_curr).sum() > 0:
to_analyse = X_test.loc[X_test["SK_ID_CURR"] == id_curr, :].drop(
columns=["SK_ID_CURR"])
st.write("Default loan probability for client id", id_curr, "is",
predict_api(to_analyse.iloc[0, :]), "%")
st.subheader("Score interpretation")
st.write("The following plot must be intepreted as follows :")
st.write(
"- **Arrows are contribution** of each client attribute (family status, income, ...) on the **final score**, the bigger the arrow, the greater its contribution"
)
st.write(
"- **Blue** arrows are **good contributions** : they tend to reduce client's default risk"
)
st.write(
"- **Red** arrows are **bad contributions** : they tend to increase client's default risk"
)
st.write(
"- Intersection of blue and red arrows is the predicted level of risk"
)
st.write(
"- This intersection is surrounded feature contributions, from big to small as step aside from predicted value"
)
shap.initjs()
shap_values = explainer.shap_values(to_analyse, check_additivity=True)
shap.force_plot(explainer.expected_value,
shap_values[0],
to_analyse.round(2),
matplotlib=True,
link="logit")
st.pyplot(bbox_inches='tight', dpi=500, pad_inches=0)
shap_named = pd.Series(
np.copy(shap_values[0]),
index=X_test.drop(columns=["SK_ID_CURR"]).columns)
most_imp_feat = abs(shap_named).sort_values(
ascending=False).head(10).index
displ_feat = shap_named[most_imp_feat].sort_values()
variables = load_variable_description()
info_feat = st.selectbox(
"Select the variable you want to know more about",
displ_feat.index)
st.write(info_feat)
st.write(
to_analyse.loc[:, info_feat].values[0].round(2),
variables.loc[variables["Row"] == info_feat,
"Description"].values[0])
else:
st.error("Solve error in the sidebar before accessing this module")
if not os.path.exists('logs'):
os.mkdir('logs')
# set logging to save log file to logs folder
logging.basicConfig(
filename=
f"logs/{sys.argv[0].replace('.py', '')}-{datetime.now().strftime('%Y%d%m%H%M%S')}.log",
filemode='w',
level=logging.INFO)
else:
logging.basicConfig(level=logging.INFO)
logging.info(
f"using {m}.{e} model to calculate submitid {i}") if v else None
# load word embedding model
start = datetime.now()
vectors = load_model(m, e)
logging.info(f"model loaded in {datetime.now() - start}") if v else None
# get source code and problem text from database that corresponds with input submit ID
code, problem = get(i)
# preprocessing includes normalization and tokenization
logging.info("preprocessing code and problem text...") if v else None
problem_processed, comments_processed, code_only = preprocess(
problem, code)
# count words in code comment
comment_word_count_raw = 0
for line in comments_processed:
comment_word_count_raw += len(line)
logging.info("preprocessing finished") if v else None
"""
Another useful tool is the T-distributed Stochastic Neighbor Embedding (TSNE)
a nonlinear dimensionality reduction technique well-suited for embedding
high-dimensional data for visualization in a low-dimensional space of two or
three dimensions.
"""
from sklearn.manifold import TSNE
import pandas as pd
from functions import load_model
# load data generated in 3_Clustering and 4_PCA
pca_result = load_model('models/PCA.sav')
clustered = load_model('models/clustered.pkl')
# instantiate TSNE object with two main clusters
tsne = TSNE(n_components=2)
# we fit (train) and transform into TSNE
tsne_result = tsne.fit_transform(pca_result)
# DataFrame creation with information generated
TSNE_df = pd.DataFrame(tsne_result)
# columns renamed
TSNE_df.columns = ['x1', 'x2']
# create cluster column
TSNE_df['cluster'] = clustered
# saving our DataFrame
TSNE_df.to_csv('data/TSNE.csv')
# displaying a 20 line preview of the DataFrame
print(TSNE_df.head(20))
and it is a tool commonly used for dimensionality reduction.
The way it work is by projecting each data point onto only
the first few principal components to obtain lower-dimensional
data while preserving as much of the data's variation as possible.
"""
from sklearn.decomposition import PCA
import numpy as np
import pandas as pd
from functions import load_model
import pickle
# we load data generated in 2_Word2Vec_SentenceVectors and 3_Clustering
X = np.load('data/X.npy')
clustered = load_model('models/clustered.pkl')
# instantiate PCA object into two main components
pca = PCA(n_components=2)
# we fit (train) and transform into PCA
pca_result = pca.fit_transform(X)
# DataFrame creation with information generated
PCA_df = pd.DataFrame(pca_result)
# columns renamed
PCA_df.columns = ['x1', 'x2']
# create cluster column
PCA_df['cluster'] = clustered
# saving our DataFrame
PCA_df.to_csv('data/PCA.csv')
"""
It's time to see the accuracy of our model by
evaluating our own news, this news were manually
downloaded from internet and saved in a txt file.
This script only pre process the news, same as did before
"""
import numpy as np
import pickle
from glob import glob
from functions import prepare_news, load_model
# load data generated in 1_DataAnalysis_Cleanup, 2_Word2Vec_SentenceVectors and 3_Clustering
processed_data = np.load('data/processed_data.npy', allow_pickle=True)
model = load_model('models/model.pkl')
kmeans = load_model('models/kmeans.pkl')
# getting a list of all news paths to analyze
glob_list = glob('news/*.txt')
# getting a list of all news in string format
news_list = [open(new, 'r', encoding='utf8').read() for new in glob_list]
# processing news and saving result
pickle.dump(prepare_news(news_list), open('news/news_list.pkl', 'wb'))
def logger(metadata):
with open('online.log', 'a') as f:
f.write(metadata)
if logging:
logger('timestamp(s) : dns bucket : predictions : diverged')
if __name__ == '__main__':
gravity = fn.load_gravity()['domain'].values
tokenizer = fn.load_yttm()
max_timestamp = 1600397395 # arbitrary recent timestamp
model = fn.load_model() #model that learns online
ref_model = tf.keras.models.clone_model(model) #reference model
ref_model.set_weights(model.get_weights())
model.optimizer.lr.assign(1e-4)
df = fn.load_gravity(table='domainlist')
epsilon = 0.1
i = 0
bad_domains_all = []
while True:
queries, pos_samples, neg_samples, anchor_pos_samples, anchor_neg_samples, parsed_df, max_timestamp = fn.run_all(
tokenizer=tokenizer, timestamp=max_timestamp)
if i == 0:
i = +1
continue
print('{0} pieces of matter entering the photon sphere..'.format(
def create_KDE(args, inds=None, bws={}, mc=None):
if 'mc' not in args.keys():
args['mc'] = None
if 'phi0' not in args.keys():
args['phi0'] = 1
if args['outfolder'] is None:
args['outfolder'] = os.path.join(os.path.dirname(args['model']), 'out')
args['phi0'] *= 1e-18 # correct units
t0 = time.time()
model, mname = load_model(args['model'])
print('---- Run KDE with args:')
print(args)
if not os.path.exists(args['outfolder']):
os.makedirs(args['outfolder'])
print('Load and Update the Monte Carlo')
config = read_config()
cfg_keys = config['keys']
if mc is None:
if args['mc'] is not None:
mc_path = args['mc']
else:
mc_path = str(config['IC_MC']['path'])
mc = np.load(str(mc_path))
mc = mc_cut(mc, config)
if inds is not None:
print('Cut on given indices..')
mc = mc[inds]
settings, grid = model.setup_KDE(mc, cfg_keys)
mc_conv = len(mc)
print('Use {} mc events'.format(mc_conv))
for key in settings.keys():
settings[key]['name'] = key
for key in bws.keys():
settings[key]['bandwidth'] = bws[key]
plaw = np.vectorize(powerlaw)
# create binned pdf
if args['weights'] == 'default':
print('Use pre-calculated input weights')
weights = mc['cur_weight']
elif args['weights'] == 'pl':
weights = mc[cfg_keys['ow']] * plaw(
mc[cfg_keys['trueE']], phi0=args['phi0'], gamma=args['gamma'])
elif args['weights'] == 'conv':
weights = mc[cfg_keys['conv']]
elif args['weights'] == 'conv+pl':
#diff_weight = mc['orig_OW'] * plaw(mc['trueE'], phi0=args['phi0'],
# gamma=args['gamma'])
weights = mc[cfg_keys['conv']] + mc[cfg_keys['astro']]
print('Rates [1/yr]:')
print(np.sum(mc[cfg_keys['conv']]) * np.pi * 1e7)
print(np.sum(mc[cfg_keys['astro']]) * np.pi * 1e7)
else:
print('{} is not a valid weights argument'.format(args['weights']))
sys.exit(0)
inp_arr = [settings[key] for key in settings.keys()]
if args['adaptive']:
m_input = meerkat_input(inp_arr, weights, mc_conv=mc_conv)
m_kde4d_fb = meerkat_kde(m_input)
adtv_input = meerkat_input(inp_arr,
weights,
pdf_seed=m_kde4d_fb.kde,
adaptive=True,
mc_conv=mc_conv)
m_kde4d = meerkat_kde(adtv_input)
else:
m_input = meerkat_input(inp_arr, weights, mc_conv=mc_conv)
m_kde4d = meerkat_kde(m_input)
nbins = args['eval_bins']
eval_grid = OrderedDict()
if grid is None:
grid = {}
for key in settings.keys():
if key in grid.keys():
if isinstance(grid[key], list):
eval_grid[key] = np.linspace(grid[key][0], grid[key][1], nbins)
elif isinstance(grid[key], numpy.ndarray):
eval_grid[key] = grid[key]
else:
eval_grid[key] = np.linspace(settings[key]['range'][0],
settings[key]['range'][1], nbins)
print(eval_grid.keys())
out_bins = [eval_grid[key] for key in settings.keys()]
coords = np.array(list(itertools.product(*out_bins)))
bws = [settings[key]['bandwidth'] for key in settings.keys()]
print('Evaluate KDEs:')
pdf_vals = np.asarray([m_kde4d.eval_point(coord) for coord in coords])
shpe = np.ones(len(settings.keys()), dtype=int) * nbins
pdf_vals = pdf_vals.reshape(*shpe)
add_str = ''
if args['weights'] != 'pl':
add_str = '_' + args['weights']
else:
add_str = '_' + 'g_{}'.format(args['gamma'])
if args['save_str'] != '':
add_str = add_str + '_' + args['save_str']
odict = dict({
'vars': eval_grid.keys(),
'bins': out_bins,
'coords': coords,
'pdf_vals': pdf_vals,
'bw': bws
})
if not args['no_save']:
with open(os.path.join(args['outfolder'], mname + add_str + '.pkl'),
'wb') as fp:
pickle.dump(odict, fp)
t1 = time.time()
print('Finished after {} minutes'.format((t1 - t0) / 60))
return odict
if len(sys.argv) > -1:
ap.add_argument('--modeldir', required=True, help="Path to the model")
ap.add_argument('--datasetdir', required=False, help="Path to the dataset")
ap.add_argument('--nepochs', required=False, help="Number of training epochs")
ap.add_argument('--lr', required=False, help="Learning rate")
args = vars(ap.parse_args())
model_directory = args['modeldir']
dataset_directory = value_or_default(args['datasetdir'], os.path.join('..', 'dataset'))
nepochs = value_or_default(args['nepochs'], 100)
lr = value_or_default(float(args['lr']), 1e-3)
architecture_file = os.path.join(model_directory, 'architecture.json')
parameters_file = os.path.join(model_directory, 'parameters.json')
assert(os.path.isfile(architecture_file) and os.path.isfile(parameters_file)), 'No architecture or parameters found in the specified directory.'
model = load_model(model_directory)
parameters = json.load(parameters_file)
date = datetime.datetime.now().strftime("%Y%m%dT_%H%M%S")
session_directory = os.path.join(model_directory, f"session_{date}_epochs_{nepochs}")
if(not os.path.isdir(session_directory)):
os.makedirs(session_directory)
training_generator = generator(filenames=load_filenames(os.path.join(dataset_directory, 'training')), batch_size=parameters['batchsize'], dim=[*parameters['shape']])
validation_generator = generator(filenames=load_filenames(os.path.join(dataset_directory, 'validation')), batch_size=parameters['batchsize'], dim=[*parameters['shape']])
checkpoint = ModelCheckpoint(os.path.join(session_directory, "weights.h5"), monitor='val_acc', verbose=1, save_best_only=True, mode='min')
earlystop = EarlyStopping(monitor='val_loss', patience=20, verbose=1)
reduce_lr = ReduceLROnPlateau(monitor='val_loss', factor=0.5, patience=10, verbose=1, mode='auto', min_delta=0.01, cooldown=0, min_lr=1e-9)
callbacks_list = [checkpoint, earlystop, reduce_lr]
image = results.image_path
top_k = results.topk
gpu = results.gpu
cat_names = results.cat_name_dir
with open(cat_names, 'r') as f:
cat_to_name = json.load(f)
model = getattr(models,pt_model)(pretrained = True)
# Load model
loaded_model = load_model(model, save_dir, gpu)
# Preprocess image
processed_image = process_image(image)
# Define top K likely classes with probabilities
probs, classes = predict(processed_image, loaded_model, top_k, gpu)
# Define names for Classes
names = [cat_to_name[i] for i in classes]
# Print out top K classes and probabilities
print(f"Top {top_k} classes are: {classes}, with assocatied probabilities: {probs}")
# Print out most likely output
print(f"The most likely outcome is a: '{names[0]} ({round(probs[0]*100, 2)}%)'")
# actual code starts from here
# logging setup (tensorboard, log.txt)
logging_handlers = [logging.StreamHandler()]
if args.save:
logging_handlers += [logging.FileHandler(f'{args.save_path}/log.txt')]
if args.tensorboard:
writer = SummaryWriter('runs/' + args.suffix + "_" +
args.timestamp[-5:])
logging.basicConfig(level=logging.INFO,
format='%(message)s',
handlers=logging_handlers)
# load model & tokenizer
model, tokenizer = load_model(args, BERT_DIR, device)
if args.verbose:
if args.bert_path != None:
logging.info(
f"* loaded a bert model from {args.bert_path} and its tokenizer")
if args.load_from:
logging.info(f"* loaded a bert params from {args.load_from}")
else:
logging.info(f"* loaded {args.bert_model} model and its tokenizer")
# load data
if args.verbose:
logging.info(f"loading data from {args.data_path}")
emo_mapping_e2i = {e: i for i, e in enumerate(emotions)}
target_emotion_idx = emo_mapping_e2i[args.target_emotion]
data, src_data, tgt_data = import_data(args.data_path, args.source,
# Img uploader
img = st.file_uploader(label="Load X-Ray Chest image", type=['jpeg', 'jpg', 'png'], key="xray")
if img is not None:
# Preprocessing Image
p_img = functions.preprocess_image(img)
if st.checkbox('Zoom image'):
image = np.array(Image.open(img))
st.image(image, use_column_width=True)
else:
st.image(p_img)
# Loading model
loading_msg = st.empty()
loading_msg.text("Predicting...")
model = functions.load_model()
# Predicting result
prob, prediction = functions.predict(model, p_img)
loading_msg.text('')
if prediction:
st.markdown(unsafe_allow_html=True, body="<span style='color:red; font-size: 50px'><strong><h4>Pneumonia! :slightly_frowning_face:</h4></strong></span>")
else:
st.markdown(unsafe_allow_html=True, body="<span style='color:green; font-size: 50px'><strong><h3>Healthy! :smile: </h3></strong></span>")
st.text(f"*Probability of pneumonia is {round(prob[0][0] * 100, 2)}%")
"""
Here we predict the now processed news
and see results in a DataFrame
"""
import pandas as pd
from functions import load_model
# load data generated in 3_Clustering and 7_TestNewsProcessing
kmeans = load_model('models/kmeans.pkl')
news_list = load_model('news/news_list.pkl')
# printing predictions
prediction = kmeans.predict(news_list)
print(prediction)
# printing a DataFrame with results obtained
df = pd.DataFrame({
'Sentence':
['news' + str(num + 1).zfill(2) for num, item in enumerate(news_list)],
'Prediction':
prediction
})
print(df)