Table of Contents
Here some important points or content so we can easily understand all the concepts of linear regression
What is a Linear Regression?
How to represent of Linear Regression
Training a Linear Regression model
Evaluating the model
What is a Linear Regression?
The Linear regression model is used to find a relationship between one or more features(independent variables) and a continuous target variable(dependent variable).
How to represent Linear Regression?
The mathematical equation to represent the linear regression :
First import the all related libraries:
import numpy as np
import matplotlib.pyplot as plt
# To visualize
import pandas as pd
# To read data
from sklearn.linear_model import LinearRegression
After this training the data:
data = pd.read_csv('filename.csv')
# load data set
X = data.iloc[:, 0].values.reshape(-1, 1)
# values converts it into a numpy array
Y = data.iloc[:, 1].values.reshape(-1, 1)
Fit it into the model:
We can fit the linear regression into the model.
linear_regressor = LinearRegression()
# create object for the class
linear_regressor.fit(X, Y)
# perform linear regression
Y_pred = linear_regressor.predict(X)
# make predictions
#machinelearning #python #datascience
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