The LLCA INPUT file for Example 3 is as follows:
Example 3. Ratings on health of 460 trees and shrubs. 5000 Maximum number of iterations 0000 Use previous estimates: 0 = no; 1 = yes 0006 # of latent classes 0006 # of manifest categories 0002 # of items or raters 0000 Indexed table: 0 = no; 1 = yes 0001 Equal measurement error: 0 = no; 1 = yes 0000 Response function: 0 = normal; 1 = logistic 0000 Threshold constraints: 0 = none; 1 = SB; 2 = IT 0001 Print frequencies: 0 = no; 1 = yes 0000 Print probabilities: 0 = no; 1 = yes 0000 Print scoring information: 0 = no; 1 = yes 1 1 parameter to fix 2 2 parameter to fix 3 3 parameter to fix 4 4 parameter to fix 5 5 parameter to fix 6 6 parameter to fix 7 7 parameter to fix 8 parameter to fix 9 parameter to fix 10 parameter to fix -2.500 par 1 location, latent class 1 -1.500 par 2 location, latent class 2 -0.500 par 3 location, latent class 3 0.500 par 4 location, latent class 3 1.500 par 5 location, latent class 4 2.500 par 6 location, latent class 5 0.200 par 7 prevalence, latent class 1 0.200 par 8 prevalence, latent class 2 0.200 par 9 prevalence, latent class 3 0.200 par 10 prevalence, latent class 4 0.200 par 11 prevalence, latent class 5 0.200 par 12 prevalence, latent class 5 .776 par 13 measurement error parameter -2.000 par 14 threshold, Rater 1, level 2 -1.000 par 15 threshold, Rater 1, level 3 0.000 par 16 threshold, Rater 1, level 4 1.000 par 17 threshold, Rater 1, level 5 2.000 par 18 threshold, Rater 1, level 6 -2.000 par 19 threshold, Rater 2, level 2 -1.000 par 20 threshold, Rater 2, level 3 0.000 par 21 threshold, Rater 2, level 4 1.000 par 22 threshold, Rater 2, level 5 2.000 par 23 threshold, Rater 2, level 6
The DATA file for the example is as follows:
30 1 0 0 0 0 0 10 2 0 0 0 0 4 8 3 1 0 0 3 3 37 9 0 0 0 1 25 71 49 0 0 0 2 20 181