r - how to program factoranalysis iterations -



r - how to program factoranalysis iterations -

currently i'm busy new type of factor analysis. created next binary operators:

%m% calculates square positive definite symmetric matrix r dataframe

%e% calculates communality estimates , places these on main diagonal of square matrix m

%f% extracts 1 factor @ time new square matrix

%r% reproduce new square matrix factor loadings of %f% , subtracts original matrix

this 1 cycle. steps 2 4 duplicated residuals,%f% extracts sec factor, %r% reproduces new matrix, etc. in fashion finish procedure (steps 2 - 4 , 2 - 4) successively applied smaller , smaller matrices.

my question is: how can programme these iterations in r? clearly, in each iteration step 4 input new cycle step 2 step 4 in next iteration.

some r - code use:

iterations res= a%m%lg3 est= res%e%5 f1= est%f%1 res= f1%r%est est= res%e%5 f2= est%f%1 res= f2%r%est est= res%e%5 f3= est%f%1 res= f3%r%est

a= r dataframe, lg3 new bivariate log3 consensus coefficient.

i welcome chance inquire help.

regards,

luc

you utilize while loop, think:

while(..some stopping criteria..) { est <- res %e% 5 res <- est %f% 1 %r% est }

if wanted run 4 times, add together counter

for(i in 1:4) { est <- res %e% 5 res <- est %f% 1 %r% est }

r

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