* Reparameterized DINA model
* Tatsuoka's fraction data, 536 examinees, 20 items
lat 9
man 20
dim 9 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 
lab X a b c d e f g h A B C D E F G H I J K L M N O P Q S T U
mod X {wei(X)}
 a|X cum(a) {spe(X,1b)}
 b|X cum(a) {spe(X,1b)}
 c|X cum(a) {spe(X,1b)}
 d|X cum(a) {spe(X,1b)}
 e|X cum(a) {spe(X,1b)}
 f|X cum(a) {spe(X,1b)}
 g|X cum(a) {spe(X,1b)}
 h|X cum(a) {spe(X,1b)}
 A|dfg   cum(a) {cov(dfg,1)}
 B|dg    cum(a) {cov(dg,1)}
 C|dg    cum(a) {cov(dg,1)}
 D|bceg  cum(a) {cov(bceg,1)}
 E|bdgh  cum(a) {cov(bdgh,1)}
 F|g     cum(a) {cov(g,1)}   
 G|abg   cum(a) {cov(abg,1)}
 H|g     cum(a) {cov(g,1)}
 I|b     cum(a) {cov(b,1)}   
 J|begh  cum(a) {cov(begh,1)}
 K|beg   cum(a) {cov(beg,1)}
 L|gh    cum(a) {cov(gh,1)}   
 M|bdeg  cum(a) {cov(bdeg,1)}
 N|bg    cum(a) {cov(bg,1)}
 O|ag    cum(a) {cov(ag,1)}   
 P|bg    cum(a) {cov(bg,1)}
 Q|beg   cum(a) {cov(beg,1)}
 S|befg  cum(a) {cov(befg,1)}
 T|abceg cum(a) {cov(abceg,1)}
 U|bceg  cum(a) {cov(bceg,1)}   
rec 536
ski [1]
des [0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
     0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 1 0 1 0 1
     0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
     0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
     0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
     0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1]
wla fract_out.txt
sta wei(X) nor(1,8)
dat fraction_lem.dat