Full_Name: J. R. M. Hosking Version: 1.9.0 OS: WIndows 2000 Submission from: (NULL) (129.34.20.23)> f<-factor("2000-01-02") > as.Date(f)Error in as.Date.default(f) : Don't know how to convert `x' to class "Date" Presumably as.Date.factor(f) should have the same effect as as.Date.character(as.character(f)), but that does not seem to be happening.
maechler@stat.math.ethz.ch
2004-Apr-16 18:44 UTC
[Rd] as.Date with factor argument (PR#6779)
>>>>> "J" == J R M Hosking <hosking@watson.ibm.com> >>>>> on Fri, 16 Apr 2004 18:15:20 +0200 (CEST) writes:J> Full_Name: J. R. M. Hosking J> Version: 1.9.0 J> OS: WIndows 2000 J> Submission from: (NULL) (129.34.20.23) >> f<-factor("2000-01-02") >> as.Date(f) J> Error in as.Date.default(f) : Don't know how to convert `x' to class "Date" J> Presumably as.Date.factor(f) should have the same effect as J> as.Date.character(as.character(f)), but that does not seem to be happening. No, and the fact that it doesn't is *definitely* not a bug. It could pass as a (rather extravagant) wish at most. Martin Maechler