Setup initial file structure

Modules/ado/personal/n/nbmiss.ado

@@ -0,0 +1,18 @@
+program define nbmiss
+version 8.0
+syntax varlist(min=1) [, nbmiss(string)]
+
+if "`nbmiss'"=="" {
+local nbmiss nbmiss
+}
+
+local nbitems:word count `varlist'
+tokenize `varlist'
+
+qui gen `nbmiss'=0
+
+forvalues i=1/`nbitems' {
+qui replace `nbmiss'=`nbmiss'+1 if ``i''==.
+}
+end
+