Yext in parentheses.

cat.ref<-"dilemma1(ref.)"
cat.ref <- c(cat.ref, "scigrn1(ref.)")
cat.ref

Dear All

My program is long and sorry I do not have a replicable set of codes to
present. But I present a chunk of codes at the end below. Essentially,

1. I initialize cat.ref as NUL (see line 1)

2. Then, I repeatedly add elements to cat.ref, where each element
include parentheses in double quotations (see line 2).

I had expected cat.ref to eventually contain the list

dilemma1(ref),scigrn1(ref),...

Not so, I end up getting the following (see first column; not in
parentheses, like (ref.)).

dilemma1.ref.. 22.356 2.619 8.535 0.000 *** scigrn1.ref.. 22.474 2.697
8.334 0.000 ***

Any idea how I might revise lines like the following (first line below):

dv.group<-c("dilemma2","dilemma3"); cat.ref<-"dilemma1(ref.)"

etc. Thanks.

   ap0<-zx.ref<-NULL

   dv.group<-c("dilemma2","dilemma3"); cat.ref<-"dilemma1(ref.)"
   if(any(dv.group%in%jindex)){
     v<-pred0(dv.group,cat.ref)
     ap0<-rbind(ap0,v$ap0); zx.ref<-c(zx.ref,v$cat.ref)
   }

   dv.group<-c("scigrn2","scigrn3"); cat.ref<-"scigrn1(ref.)"
   if(any(dv.group%in%jindex)){
     v<-pred0(dv.group,cat.ref)
     ap0<-rbind(ap0,v$ap0); zx.ref<-c(zx.ref,v$cat.ref)
   }


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