[Rd] varimax implementation in stats package

Hello, recently I was looking at the implementation of the "varimax" rotation procedure from the "stats" package and to me it looks quite different from the algorithm originally suggested by Kaiser in 1958. The R procedure iteratively uses singular value decompositions of some matrices where

Re: [Rd] varimax implementation in stats package

factanal() was originally in MASS which is support software for Venables & Ripley (2002). They have Bartholomew & Knott (1999) as the main reference for factor analysis, so that would be a place to look (I don't have it to hand). At any rate, varimax optimizes a well-defined criterion, so the "

[Rd] utils::ls.str(): Partial argument name 'digits' to seq() (should be digits.d?)

Should utils::ls.str() be updated as: svn diff src/library/utils/R/str.R Index: src/library/utils/R/str.R === --- src/library/utils/R/str.R (revision 71879) +++ src/library/utils/R/str.R (working copy) @@ -622,7 +622,7 @@ arg