[R] missing values are not allowed in subscripted assignments of data frames
dwinsemius at comcast.net
Mon Jan 21 18:12:30 CET 2013
On Jan 21, 2013, at 7:35 AM, David Studer wrote:
> Hello everybody!
> I am trying to replace community numbers with community names
> I am using the following code:
> data[data$commNo==786, "commNo"]<-"Name of the Community"
data$commNo is probably a factor. As such the equality test will only
give you expected results with:
> data[data$commNo=='786', "commNo"]<-"Name of the Community"
> data[as.numeric(as.character(data$commNo)) == 786, "commNo"]<-"Name
> of the Community"
(It's in section 7 of the RFAQ).
> Unfortunately, I get the error message
> missing values are not allowed in subscripted assignments of data
> However, when I check data$commNo with table(useNA="always") or with
> table(is.na(data$commNo)) it tells me that there are no NA's at
> all... ?
David Winsemius, MD
Alameda, CA, USA
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