Gunnar Hellmund LaierAug 28, 20171 minDummy variables in SASIt is difficult to create indicator or dummy variables from factor variables in SAS programming language. The macro below assumes an...
Gunnar Hellmund LaierJun 18, 20171 minA multigroup comparison of IRR using a modified Fleiss’ Kappa statisticInter rater reliability (IRR) among more than two raters may be calculated using a modified Fleiss’ Kappa. I suggest a modified version...
Gunnar Hellmund LaierJun 11, 20173 minNORDCAN – incidences and numbersBelow components to a R-script, which will extract age-gender specific rates and proportions from Nordic databases divided by year and...
Gunnar Hellmund LaierApr 9, 20171 minCreating dummy variables in RRandy Zwitch has a blog entry on creation of dummy variables from factor levels. example as.data.frame(c("A", "A", "B", "F", "C", "G",...