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mycurve
2010 Jan 20
1
function curve() (PR#14191)
Full_Name: Georgi Boshnakov
Version: 2.10.1pat
OS: Windows XP
Submission from: (NULL) (130.88.123.205)
When calling programmatically function curve() from package:graphics I
experienced some trouble since it reports
stop("'expr' must be a function or an expression containing 'x'")
even if expr is "expression". Naturally, the user message uses