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Added 'taking user input' #89

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Added 'taking user input' #89

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3f85c9b
Added 'taking user input'
slashharsh Oct 31, 2019
d8c4729
linear regression algo
slashharsh Oct 31, 2019
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linear regression algo
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@slashharsh
slashharsh committed Oct 31, 2019
commit d8c472989a33a9325eacc007ed66bf964d2c5cab
36 changes: 36 additions & 0 deletions machine-learning-algo/linear-regression.py
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import numpy as np
from sklearn.linear_model import LinearRegression
x = np.array([5, 15, 25, 35, 45, 55]).reshape((-1, 1))
y = np.array([5, 20, 14, 32, 22, 38])
print(x)

print(y)

model = LinearRegression()

model.fit(x, y)
model = LinearRegression().fit(x, y)
r_sq = model.score(x, y)
print('coefficient of determination:', r_sq)
print('intercept:', model.intercept_)

print('slope:', model.coef_)
new_model = LinearRegression().fit(x, y.reshape((-1, 1)))

print('intercept:', new_model.intercept_)

print('slope:', new_model.coef_)
y_pred = model.predict(x)

print('predicted response:', y_pred, sep='\n')
y_pred = model.intercept_ + model.coef_ * x

print('predicted response:', y_pred, sep='\n')

x_new = np.arange(5).reshape((-1, 1))

print(x_new)

y_new = model.predict(x_new)

print(y_new)