Cross-tabulation Deep Dive
Explore the pandas crosstab function to summarize categorical data efficiently. Understand how to add margins, normalize data, create hierarchical indices, and enhance insights with heatmap visualizations. This lesson helps you quickly analyze data by categories with intuitive summarization and visual techniques.
Cross-tabulation summaries
Using the JetBrains dataset, let’s summarize the count of respondents by country and age:
Adding margins
Both pivot_table and crosstab have a margins parameter that will put in a column and row at the right and at the bottom, respectively, which would summarize the data:
Normalizing results
The crosstab ...