Use dummy variables to make multiple regression analysis more flexible!

[Data analysis starting from zero #1] “8 steps of analysis” that data analysis beginners should know first

Data science is a means of utilizing "experience and intuition"

What is the optimal attribution model? Comparing the mechanisms of the representative analysis methods MMM and MTA

10 Common Mistakes in Multiple Regression Analysis: Causes and Solutions Based on Combination, Structure, and Dataset

What is the coefficient of determination? Explanation of guidelines, correct interpretation, and why a high coefficient isn't always good.

What is Multiple Regression Analysis? A Marketer's Guide to the Basic Mechanism and Analysis Procedure (Illustrated)