why smc is used in parallel analysis what is the principal component of the parallel equation used for the analysis what is the principal function of a parallel analysis what's the principal component in psych what is the principal component of an analysis why is smc used in parallel analysis which component is used in the parallel analysis when using smc, which is based upon observed residuals, the chi square is zero? what is a principal component of parallel analysis which component of the correlation matrix is an invertible chi square how to choose principal components which is a principal component of svd which is used when calculating the principal components of a logistic regression model what is the principal characteristic of a parallel analysis psych why does this function is called prcomp what is the difference between a psych and a correlation matrix in a parallel analysis which of these is used in parallel analysis which factor is not a determinant of smoothed correlation? what is the principal component for a parallel analysis parallel analysis with svd example