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What are the Evaluation metrics in a linear regression model?

Here are three common evaluation metrics for regression problems: Mean Absolute Error (MAE) is the mean of the absolute value of the errors: Mean Squared Error (MSE) is the mean of the squared errors: Root Mean Squared Error (RMSE) is the square root of the mean of the squared errors: Comparing these metrics: MAE is…

Data Science

Answered Jan 15, 2020 · 2.0K Views Read answer →

How to implement a Backward elimination approach in a regression model?

# Multiple Linear Regression # Importing the libraries import numpy as np import matplotlib.pyplot as plt import pandas as pd # Importing the dataset dataset = pd.read_csv('50_Startups.csv') X = dataset.iloc[:, :-1].values y = dataset.iloc[:, 4].values # Encoding categorical data from sklearn.preprocessing import…

Data Science

Answered Jan 15, 2020 · 1.0K Views Read answer →

Explain how to implement Multiple Linear regression in python

First we import all the libraries import pandas as pd import numpy as np import matplotlib.pyplot as plt import seaborn as sns USAhousing = pd.read_csv('USA_Housing.csv') X = USAhousing[['Avg. Area Income', 'Avg. Area House Age', 'Avg. Area Number of Rooms',

Data Science

Answered Jan 15, 2020 · 919 Views Read answer →

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