Chapter 2: Dealing with qualitative perception
This chapter deals with categorical variables. We introduce the notions of bar plot, of contingency table, of independence, the magic of Correspondence Analysis...
1From classes to categories and vice-versa
2From categories to categorical data and their representation
3From categorical data to contingency table
4From contingency table to the notion of independence
5From the independence to its deviation
6From the notion of deviation to the notion of distance
7From the notion of distance to the notion of inertia
8From the notion of inertia to Correspondence Analysis
9From Correspondence Analysis to Multiple Correspondence Analysis
10From Multiple Correspondence Analysis to Sorting Data
