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Created June 22, 2021 11:42
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import numpy as np
import pandas as pd
from sklearn.linear_model import LinearRegression
from sklearn.utils import shuffle
data = pd.read_csv("")
data = data[["G1", "G2", "G3", "studytime", "failures", "absences"]]
predict = "G3"
x = np.array(data.drop([predict], 1))
y = np.array(data[predict])
from sklearn.model_selection import train_test_split
xtrain, xtest, ytrain, ytest = train_test_split(x, y, test_size=0.2)
linear_regression = LinearRegression(), ytrain)
predictions = linear_regression.predict(xtest)
# Calculation of R2 Score
from sklearn.model_selection import cross_val_score
print(cross_val_score(linear_regression, x, y, cv=10, scoring="r2").mean())
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