Using two different datasets, I cannot get stata to give me comparable efa/sem results when using summary statistics vs. raw data. I am not sure what I am missing...
The raw data is from:
use http://www.stata-press.com/data/r15/sem_1fmm
The summary data and basic efa syntax are as follows:
clear
ssd init x1 x2 x3 x4
ssd set obs 500
ssd set correlations 1.0 \ .4537 1.0 \ .4491 .5091 1.0 \ .6525 .6801 .6975 1.0
ssd set means 99.518 99.954 99.052 94.474
ssd set sd 14.35402 14.1939 14.26395 70.11603
[OR]
clear
ssd init x1 x2 x3 x4
ssd set obs 500
ssd set means 99.518 99.954 99.052 94.474
ssd set sd 14.35402 14.1939 14.26395 70.11603
#delimit;
ssd set correlations
1.0 \
.4537 1.0 \
.4491 .5091 1.0 \
.6525 .6801 .6975 1.0 ;
#delimit cr
ssd status
ssd list
save "C:\Users\...\Desktop\_EFA.dta"
cd "C:\Users\...\Desktop"
use _EFA
factor x1-x4, ml factors(1)
*Question: what about using ssd or my code leads stata (v. 15.1) to produce not even remotely close results?
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