[R] How to findout the name of a dataframe

[jim holtman]

Will this work for you:

> myFunc <- function(var){
+     # get the dataframe name
+     charName <- deparse(substitute(var))
+     # parse out data.frame
+     dataFrame <- sub("\\$.*", "", charName)
+     cat("input:", charName, "data.frame:", dataFrame, "\n")
+ }
>
> myFunc(mydata$V1)
input: mydata$V1 data.frame: mydata
>
>


On Sun, Feb 17, 2013 at 8:51 AM, Frans Marcelissen
<frans.marcelissen at digipsy.nl> wrote:
> Let'say we have a dataframe mydata with column v1. If mydata$v1 is passed
> to a function, is there way, then, to extract the name of the dataframe?
> What I now do is passing the name of the dataframe to the funcion, so
> passing two parameters. Maybe with mydata$v1 it is not possible, but with
> mydata['v1'] or mydata[,'v1'] it is?
> Thanks
> Frans
>
> -------------------
> Frans Marcelissen
> fransiepansiekevertje at gmail.com
>
>         [[alternative HTML version deleted]]
>
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-- 
Jim Holtman
Data Munger Guru

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Tell me what you want to do, not how you want to do it.