Creating Categorical Variables in Regression Analysis using pandas and statsmodels: A Practical Guide to Handling Discrete Independent Variables with Multiple Categories

Replacing Values in a Pandas Series with Case-Insensitive Approach Using str.lower() and replace() Functions

Understanding Seaborn's Catplot Functionality: Common Issues and Solutions

Understanding GLM Models in R: How to Handle Categorical Variables and Resolve Missing Levels in Model Summary Output

Assigning Categorical Mapping from One pd.Series to Another Using pandas Cat Set Categories and Map

Working with Pandas Ordered Categorical Data: Exam Grades Example

Assigning Colors to Polygons for a Large Number of Categories on a Map in R