Manuel Heinrich

4 Questions 33 Answers 0 Followers

Questions related from Manuel Heinrich

Not Missing at Random Structural Equation Modeling?

Hi all, i want to do multiple imputation on iem level, since several studies have shown the superiority of item level imputation compared to scale level. I want to do a sensitivity analysis. Some...

28 October 2016 5,414 2 View

R Package for doing propensity score matching on more than two groups?

Dear all, i would appreciate any recommondations for good R packages doing matching on three groups (one control and two treatment conditions). Many thanks in advance, Manuel

28 July 2016 5,335 3 View

Why do we gain degrees of freedom when we add constraints? I know that i decrease the number of free parameters, but what does it mean conceptually?

For example, when we test a CFA measurement invariance and compare a model assuming configural (no constraints except these necessary for model identification) against a model assuming week...

25 May 2016 805 2 View

Cohen's d in mixed linear models using interventional data with missing values?

Dear all, How can calculate Cohen's d in mixed linear models using interventional data with missing values? I want to compare the effects of an interventional trial. As usual, many participants...

29 March 2016 6,613 2 View