[R] factor score from PCA

Hi everyone, I am trying to get the factor score for each individual case from a principal component analysis, as I understand, both princomp() and prcomp() can not produce this factor score, the principal() in psych package has this option: scores=T, but after running the code, I could

Re: [R] factor score from PCA

From ?princomp Arguments: scores: a logical value indicating whether the score on each principal component should be calculated. Value: scores: if ‘scores = TRUE’, the scores of the supplied data on the principal components. These are non-null only if ‘x’ was