what does fa0 mean what is the general model of covariance what is factor analysis of a model which factor analysis model is the best? what is the general fa0(1) what is the formula for the model of covariance what is the matrix called if a matrix is not negative fa0(1) in factor analysis what is the genotype matrix of a factor model what is the model for genotype how to fit covariance model sas what is a factor analytic model how to fit fa0(q) in sas fa(q) is the general factor-analytic model of order. which is a reduction of model 2 what is model 2 how is genotype scores calculated in factor analysis what is factor analysis sas what is the formula of the sas model why is fa0 analytic model used what is an fa0 model in SAS