why use factor analysis when using categorical data sets? how to reduce dimensionality of multi dimensional data set what is factor analysis in math what factor analysis for categorical target variable which is a target variable in factor analysis what is factor analysis is factor analysis a target variable can factor analysis be used to identify the variable that has the greatest dimensionality what factor is used to determine a categorical target variable? how to perform factor analysis how does pca reduce the number of dimensions in a multidimensional data set which factor analysis is used to reduce dimensionality of a single data set? how to reduce dimensionality of data set what is factor analysis and what does it do factor analysis of target variable for ppca how much variance can factor analysis remove how many variable can be used for factor analysis does factor analysis include a categorical variable why is factor analysis important for categorical data set why is factor analysis used in multidimensional data set