[R] Odp: How to subset based on column name that is a number ?

Petr PIKAL petr.pikal at precheza.cz
Fri Jun 10 13:27:10 CEST 2011


Hi
> [R] How to subset based on column name that is a number ?
> 
> Hi,
> 
> I have a data frame with column names "1", "2", "3", ... and I'd like to 
extract 
> a subset based on the values in the first column.  None of the methods I 
tried 
> worked (below).
> 
> 
> x <- subset(dframe, 1 = = "My Text")
> x <- subset(dframe, "1" = = "My Text")
> x <- subset(dframe, names(dframe)[1] = = "My Text")
> Q <- dframe[1 = = "FY11_Q4",]
> Q <- dframe['1'=="FY11_Q4",]
> Q <- dframe[names(dframe)[1]=="FY11_Q4",]
> 

Did you try

dframe[dframe[,"1"]=="My Text",]

Regards
Petr


> 
> Might anyone have a suggestion?
> 
> Many thanks,
> Mauricio
> 
>    [[alternative HTML version deleted]]
> 
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