Added weighting option to pcm

man/pcm.Rd

@@ -10,6 +10,7 @@ pcm(
   grp = NULL,
   dif.items = NULL,
   type.dif = NULL,
+  weights = NULL,
   verbose = T,
   fit = "ucminf",
   method.theta = "eap"
@@ -26,6 +27,8 @@ pcm(
 
 \item{type.dif}{vector containing DIF form for each item specified in dif.items. 1 is homogeneous DIF, 0 is heterogeneous DIF}
 
+\item{weights}{string containing the name of the column where optional weights are stored in df}
+
 \item{verbose}{set to TRUE to print a detailed output, FALSE otherwise}
 
 \item{fit}{string determining the optimization algorithm. Values "ucminf" or "nlminb" ar recommended}