what procedure does factor analysis in r use what is the best procedure for factor analysis in r what is factor analysis of data r factor analysis definition which statement is not a factor analysis what procedure does factorization work in why does the factor analysis function not work how do factor analysis work in r what is the procedure for factor analysis in r why does tetrachoric work with factor analysis? how to use factor analysis does r use factor analysis which factor is used in r what is the best method to run factor analysis with r which procedure is best for factor analysis which factor is used in r do factor analysis in r always work what is the purpose of tetrachoric function in r how to run factor analysis in r why does factor analysis work