[R] missing values are not allowed in subscripted assignments of data frames

[S Ellison]

> I am trying to replace community numbers with  community 
> names (character).
> I am using the following code:
> 
> data[data$commNo==786, "commNo"]<-"Name of the Community"
> 
> Unfortunately, I get the error message
>  missing values are not allowed in subscripted assignments of 
> data frames
> 
> However, when I check data$commNo with table(useNA="always") or with
> table(is.na(data$commNo)) it tells me that there are no NA's 
> at all... ?

Two things to check:
Are there matches to data$commNo==786 ?
And is commNo numeric, character or factor?

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