search for: st_date

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2008 Dec 10
2
Confusion with Converting Factors to Dates using as.date
...f the values are converted "correctly" (and by this I guess I mean converted "as I wish them to be") but some have not been. Here's what I have: str(pk.df) 'data.frame': 206 obs. of 134 variables: $ uniqid : int 010 015 120 130 210 245 320 330 415 ... $ st_date : Factor w/ 154 levels "01/01/48","01/01/51",..: 46 27 NA 12 118 NA 63 127 NA NA ... ... I then convert them to a date class using st_date.new<-as.Date(st_date, "%m/%d/%y") This _seems_ to work... str(st_date.new) Class 'Date' num [1:206] 8150 84...