ANALYSIS OF NOMINAL AND ORDINAL DATA USING STATISTICA AND SPSS SOFTWARE
This is the sixth paper of a series of articles where we describe basic principles of statistical data analysis using Statistica and SPSS software for beginners. Step-be-step algorithms for Pearson chi-square test and various tests for qualitative data are presented. The main aim of this paper is to provide basic knowledge on qualitative data analysis with practical examples using popular software. The article complements, but does not substitute specialized literature on biostatistics and clinical epidemiology.