On Jan 21, 2013, at 7:35 AM, David Studer wrote:
Hello everybody!
I am trying to replace community numbers with community names
(character).
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$commNo=='786', "commNo"]<-"Name of the Community"
Or:
data[as.numeric(as.character(data$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
frames
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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