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data_preparation.py
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data_preparation.py
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import numpy as np
import pandas as pd
from sklearn.preprocessing import MinMaxScaler as mms
from modules.utils.data_utils.data_handlers import data_handling_pipeline
features = [
'delta_sessions',
'session_order',
'active_time',
'session_time',
'activity'
]
targets = [
'user_id',
'tar_delta_sessions',
'tar_active_time',
'tar_session_time',
'tar_activity',
'tar_sessions'
]
embeddings = [
'context'
]
games = [
'jc3',
'lis',
'lisbf',
'jc4',
'hmg',
'hms'
]
"""
###############################################################################
for game in games:
print(f'Preprocessing {game}')
df = pd.read_csv(f'data\\csv\\{game}.csv')
df = df.sort_values(['user_id', 'session_order'])
df['user_id'] = df['user_id'] + df['context']
df = df.drop_duplicates(subset=['user_id', 'session_order'])
df = df.rename(columns={'session_played_time': 'active_time'})
df = df.rename(columns={'activity_index': 'activity'})
df['delta_sessions'] = df['delta_sessions'] // 60
###############################################################################
# OUTLIERS REMOVAL
df, outliers_report = outliers_removal(
df=df,
contamination=0.025,
n_estimators=200,
max_samples=5000,
features=[
'delta_sessions',
'active_time',
'session_time',
'activity'
],
n_jobs=-1
)
outliers_report.to_csv(f'results\\tables\\eda\\{game}.csv')
###############################################################################
# ACTIVE TIME RAW
null_filler = df['active_time'].mean()
df['active_time'] = df['active_time'].apply(
lambda x: x if x > 0 else null_filler
)
###############################################################################
# SESSION TIME
null_filler = df['session_time'].mean()
df['session_time'] = df['session_time'].apply(
lambda x: x if x > 0 else null_filler
)
df['session_time'] = np.where(
df['session_time'] - df['active_time'] < 0,
df['active_time'],
df['session_time']
)
# create target
df['tar_session_time'] = df.groupby('user_id')['session_time'].shift(-1)
###############################################################################
# ABSENCE
null_filler = df['delta_sessions'].mean()
df['delta_sessions'] = df['delta_sessions'].apply(
lambda x: x if x > 0 else null_filler
)
# create target
df['tar_delta_sessions'] = df.groupby(
'user_id')['delta_sessions'].shift(-1)
###############################################################################
# ACTIVE TIME PERCENTAGE
df['active_time'] = df['active_time'] / df['session_time'] * 100
df['active_time'] = round(df['active_time'], 2)
# create target
df['tar_active_time'] = df.groupby('user_id')['active_time'].shift(-1)
###############################################################################
# ACTIVITY
null_filler = int(df['activity'].mean())
df['activity'] = df['activity'].apply(
lambda x: x if x >= 0 else null_filler
)
# df['activity'] = df['activity'] / df['session_time']
# create target
df['tar_activity'] = df.groupby('user_id')['activity'].shift(-1)
###############################################################################
# SESSION
# create target
df['tar_sessions'] = df['maximum_sessions'] - df['session_order']
df['max_sess_cut'] = df.groupby('user_id')['session_order'].transform(
np.max
)
###############################################################################
df = df.fillna(0)
df = df[
[
'user_id',
'context',
'session_order',
'delta_sessions',
'active_time',
'session_time',
'activity',
'tar_delta_sessions',
'tar_active_time',
'tar_session_time',
'tar_activity',
'tar_sessions',
'max_sess_cut'
]
]
df = df.sort_values(['user_id', 'session_order'])
df.to_csv(f'data\\csv\\cleaned\\{game}.csv', index=False)
"""
###############################################################################
# start the data extraction
data_handling_pipeline(
games_list=games,
targets_keys=targets,
embeddings_keys=embeddings,
features_keys=features,
scaler=mms,
global_scaling=True,
grouping_key='max_sess_cut',
sorting_keys=['user_id', 'session_order'],
train_size=0.90,
batch_size=512
)