Extracting output from principal function in psych package as a data frame

Question

When I use the principal function, like in the following code, I get a nice table which gives all the standardized loadings, as well as a table with the eigenvalues and the

Answer 1

Why not this:

 capture.output( print(rotatedpca), file="pc.txt")

You can read desired portions into Excel using its Text to Columns... function off the /Data menu. Or you can just paste it into an open blank Excel document and select the rows you want to convert. Use the "fixed" option that will probably be offered automagically.

Answer 2

I have just added this feature to the latest (as of today) release of psych 1.3.10.11. If you either

 f3 <- fa(Thurstone,3) 
   #or
   p3 <- principal(Thurstone,3)
   #then
   p <- print(f3)
   p # will give you
    p
   $Vaccounted
                            MR1       MR2       MR3
   SS loadings           2.6411150 1.8621522 1.4951831
  Proportion Var        0.2934572 0.2069058 0.1661315
  Cumulative Var        0.2934572 0.5003630 0.6664945
  Proportion Explained  0.4402995 0.3104389 0.2492616
  Proportion            0.4402995 0.7507384 1.0000000

In general, if you have suggestions or questions re the psych package, you will get a faster answer if you contact me directly.

Bill