Displaying 1 result from an estimated 1 matches for "somedatacol".
2012 Nov 25
3
"argument is missing, with no default" OR "replacement has length zero"
Hello,
I have a new data set and an old data set. Both have the same columns
representing the same sort of measure. Within each data set (old and new)
are 18 groups (simplified to three groups below). Within each group are
individuals with unique ID numbers. These ID numbers may be the same as
other ID numbers in different groups, but a particular ID number only
appears once in each group.
The