[R] "Within" model in plm package: is the reported R-squared...
model 2PLM,or the graded response model(GRM),COScrit is comparable to SLcrit;in fact,it is considerably better than SLcrit,provided that the equating ... SL Ding,WU Rui,JL Zhang,... - 《Acta Psychologica Sinica》 被引量: 3发表: 2008年 ...