Displaying 1 result from an estimated 1 matches for "21dec2006".
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01dec2006
2009 Jan 06
1
sqldf with date (class date) variables ?
Hello,
I am having trouble with retrieving some data in queries involve with variables
with data type "date". See the enclosed example:
ll<-c("21DEC2006","15DEC2006")
ss<-data.frame(ll)
ss<-transform(ss,ll=as.date(as.character(ll)))
(ss)
ll
1 17156
2 17150
tt<-sqldf("select ll from ss")
(tt)
>
ll
1 NA
2 NA
> str(ss)
'data.frame': 2 obs. of 1 variable:
$ ll:Class 'date' int [1:2]...