Hi all:
I have a question about the command "followup.plot" of epicale package.
 
As to the demo data "Orthodont", the command "followup.plot" works well.But if I delete some rows of data(delete Male data,and keep Female data only, for instance),the command can't work,and the warning is "In attr(get(search()[2]), "names") == as.character(substitute(ylab)) : Longer object length is not an integer multiples of the shorter object".
 
If anyone can give me some guidance,I'll appreciate your help deeply.
 
Thanks a lot.
 
My best regards
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