TITLE: Ch 4: Empty Means, Unstructured R-Only Model Best-fitting and least parsimonious baseline DATA: FILE = MPLUS_Chapter4.csv; FORMAT = FREE; DATA LONGTOWIDE: LONG = posmood; WIDE = posmood1-posmood7; IDVARIABLE = PersonID; REPETITION = studyday (1-7); VARIABLE: NAMES = PersonID studyday posmood; USEVARIABLES = posmood1-posmood7; MISSING = ALL (-9999); ANALYSIS: ESTIMATOR = ML; PROCESSORS = 4; OUTPUT: STDYX; MODEL: posmood1-posmood7 (totvar1-totvar7); posmood1-posmood7 WITH posmood1-posmood7 (totcov1-totcov21); [posmood1-posmood7] (mean);