Question: # Define linear regression function def linear_model(X, a, b): return a * X b # Fit linear regression linear_reg = LinearRegression() linear_reg.fit(datax1, datay1) linear_y_pred =

# Define linear regression function def linear_model(X, a, b): return a * X b # Fit linear regression linear_reg = LinearRegression() linear_reg.fit(datax1, datay1) linear_y_pred = linear_reg.predict(datax1) linear_r_squared = r2_score(datay1, linear_y_pred)ValueError: Expected 2D array, got 1D array instead

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