63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
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# -*- coding: utf-8 -*-
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from matplotlib.pyplot import show
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import pandas as pd
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from datetime import datetime
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# from torch.utils.data import random_split
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from sklearn.model_selection import train_test_split
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def to_datetime(string):
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return datetime.strptime(string.replace('T', ' ').replace('Z', ''), '%Y-%m-%d %H:%M:%S')
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# Data preproccesing
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no_shows=pd.read_csv('KaggleV2-May-2016.csv')
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# Usunięcie negatywnego wieku
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no_shows = no_shows.drop(no_shows[no_shows["Age"] < 0].index)
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# Usunięcie kolumn PatientId oraz AppointmentID
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no_shows.drop(["PatientId", "AppointmentID"], inplace=True, axis=1)
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# Zmiena wartości kolumny No-show z Yes/No na wartość boolowską
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no_shows["No-show"] = no_shows["No-show"].map({'Yes': 1, 'No': 0})
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# Zmiena wartości kolumny Gender z Male/Female na wartość boolowską
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no_shows["Gender"] = no_shows["Gender"].map({'M': 1, 'F': 0})
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# Normalizacja kolumny Age
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no_shows["Age"]=(no_shows["Age"]-no_shows["Age"].min())/(no_shows["Age"].max()-no_shows["Age"].min())
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# ScheduledDay - AppointmentDay -> czas miedzy ScheduledDay i AppointmentDay
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no_shows["AppointmentDay"] = no_shows["AppointmentDay"].apply(lambda x: to_datetime(x))
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no_shows["ScheduledDay"] = no_shows["ScheduledDay"].apply(lambda x: to_datetime(x))
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no_shows['DaysSinceSchedule'] = no_shows.apply(lambda row: (row.AppointmentDay - row.ScheduledDay).days + 1, axis=1)
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no_shows.drop(["ScheduledDay", "AppointmentDay"], inplace=True, axis=1)
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no_shows.insert(2, 'DaysSinceSchedule', no_shows.pop('DaysSinceSchedule'))
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# Usuniecie kolumny Neighbourhood
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no_shows.drop(['Neighbourhood'], inplace=True, axis=1)
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X = no_shows.drop(columns=['No-show'])
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y = no_shows['No-show']
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X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=42)
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# test_size = int(0.2 * len(no_shows))
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# train_size = len(no_shows) - test_size
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# train_dataset, test_dataset = random_split(no_shows, [train_size, test_size])
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# train_dataset = pd.DataFrame(train_dataset.numpy())
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# test_dataset = pd.DataFrame(test_dataset.numpy())
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train_dataset = pd.concat([X_train, y_train], axis=1)
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test_dataset = pd.concat([X_test, y_test], axis=1)
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train_dataset.to_csv('train_dataset.csv', index=False)
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test_dataset.to_csv('test_dataset.csv', index=False)
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print("Quiting create_data.py")
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