! DeCarlo, L. T. (2002). Signal detection theory with finite ! mixture distributions: Theoretical developments with ! applications to recognition memory. Psychological Review, ! 109, 710-721. ! Compare the results to those obtained with LEM. TITLE: Swets data - mixture model; DATA: FILE IS c:\Mplus\files\swets.txt; ! Note: the data must be in individual records form. VARIABLE: NAMES ARE x y; CLASSES = c(2); CATEGORICAL = y; ANALYSIS: TYPE = MIXTURE; ESTIMATOR=ML; MODEL: %OVERALL% y on x; [y$1*-1](1); [y$2*0](2); [y$3*1](3); [y$4*2](4); [y$5*3](5); ! The numbers in parentheses restrict the criteria to ! be equal across the latent classes. %c#2% y on x@0; OUTPUT: SAMPSTAT;