# Keyword Analysis & Research: linear regression python pandas sklearn

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What is linear regression in Python?

Python | Linear Regression using sklearn. Linear Regression is a machine learning algorithm based on supervised learning. It performs a regression task. Regression models a target prediction value based on independent variables. It is mostly used for finding out the relationship between variables and forecasting.

How to do linear regression in sklearn?

The first thing you have to do is split your data into two arrays, X and y. Each element of X will be a date, and the corresponding element of y will be the associated kwh. Once you have that, you will want to use sklearn.linear_model.LinearRegression to do the regression. The documentation is here. As for every sklearn model, there are two steps.

What are the independent variables in linear regression?

b0 =intercept of the line. b1, b2, … are coefficients. Independent variables are the features feature1 , feature 2 and feature 3. Dependent variable is sales. The equation for this problem will be: x1, x2 and x3 are the feature variables. In this example, we use scikit-learn to perform linear regression.

How does a linear regression model work?

Code Explanation: model = LinearRegression () creates a linear regression model and the for loop divides the dataset into three folds (by shuffling its indices). Inside the loop, we fit the data and then assess its performance by appending its score to a list (scikit-learn returns the R² score which is simply the coefficient of determination ).