MJ
Magnus Johansson
@pgmj.bsky.social
PhD & lic. psychologist. Research and applied work at RISE Research Institutes of Sweden (Uppsala/Sthlm). R package for Rasch psychometrics: github.com/pgmj/RISEkbmRasch
#openscience, #prevention, #psychometrics, #rstats, #photo
orcid.org/0000-0003-1669-5
558 followers765 following133 posts
Here is a brief example on how to do a power analysis for a longitudinal multi-level study when you want to vary the input parameters and easily produce visual output of all variations. #rstats #openscience pgmj.github.io/powerviz.html
MJ
Magnus Johansson
@pgmj.bsky.social
PhD & lic. psychologist. Research and applied work at RISE Research Institutes of Sweden (Uppsala/Sthlm). R package for Rasch psychometrics: github.com/pgmj/RISEkbmRasch
#openscience, #prevention, #psychometrics, #rstats, #photo
orcid.org/0000-0003-1669-5
558 followers765 following133 posts