what is factor analysis used for
Exploratory factor analysis is a statistical technique that is used to reduce data to a smaller set of summary variables and to explore the underlining theoretical structure of the phenomena. It is used to identify the structure of the relationship between the variable and the respondent. Exploratory factor analysis can be performed by using the following two methods: R-type factor analysis: When factors are calculated from the correlation matrix, then it is called R-type factor analysis.