mixed effect model

  1. R

    Mixed model an linear model gave the same results

    I am running some analysis with mixed model with R. I get differents measures from differents persons (person as random effect), during this analysis and looking plots for each people vs measures I did not see too much differences for each person. Then I suspicious that my focus in mixed model...
  2. S

    Basic doubt - dummy code vs. hierarchical model

    I have a basic doubt on when to use country code as dummy coded control variables in regression and when to model it as a higher level variable within which other independent variables are nested. In my specific study, I have borrowers from several countries using an online P2P portal for...
  3. S

    Mixed Effect Model in SPSS

    I keep getting error messages:' The levels of the repeated effect are not different for each observation within a repeated subject.' Can anyone offer me some advice whether I can perform Mixed Effect Model in SPSS with my data or I have organised my data correctly? I have two groups of...