12-31-2014 10:43 AM
Thank you Mohamed, I have this article which was slightly useful for the linear equating methods I am studying. Frequency estimation and chained equipercentile equating methods are non-linear and they function differently.
12-31-2014 12:00 PM
Thank you Arthur, I have this article and another one presented at SESUG 2013 which were quite useful for Tucker, Levine, linear, and mean methods. I am struggling with the two non linear methods: Frequency estimation and chained equipercentile equating methods.
thanks again and happy new year
12-31-2014 12:26 PM
If you haven't looked at the following, as well, it also appears to contain some useful info, but all of the code is in R: http://cran.r-project.org/web/packages/equate/vignettes/equatevignette.pdf