Linear Regression with OLS: Simple & Multiple Regression

📰 Medium · Data Science

Learn simple and multiple linear regression using Ordinary Least Squares (OLS) with step-by-step derivations and examples, essential for data science and analytics

intermediate Published 8 Jun 2026
Action Steps
  1. Run a simple linear regression using OLS to understand the relationship between two variables
  2. Apply multiple linear regression using OLS to model the relationship between multiple independent variables and a dependent variable
  3. Configure a linear regression model using a library like scikit-learn to implement OLS
  4. Test the model using metrics like mean squared error and R-squared to evaluate its performance
  5. Compare the results of simple and multiple linear regression to determine the best approach for a given problem
Who Needs to Know This

Data scientists and analysts can benefit from this article to improve their regression analysis skills, while machine learning engineers can apply these concepts to build predictive models

Key Insight

💡 Ordinary Least Squares (OLS) is a fundamental method for simple and multiple linear regression, allowing for the estimation of relationships between variables

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Boost your data science skills with linear regression using OLS!

Full Article

Learn Simple and Multiple Linear Regression through step-by-step OLS derivations and examples. Continue reading on Medium »
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