Question: Explain each line of the following code snippet. model = LinearRegression ( ) poly _ features = PolynomialFeatures ( degree = d , include _

Explain each line of the following code snippet.
model = LinearRegression ()
poly_features = PolynomialFeatures(degree=d, include_bias=True)
Xtrain_poly = poly_features.fit_transform(Xtrain)
model.fit(Xtrain_poly, ytrain)
Explain each line of the following code snippet. model = LinearRegression

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