[R] print dataframe names in loop

[David Winsemius]

On May 15, 2015, at 5:05 AM, Kai Mx wrote:

> Hi everybody,
> 
> I just can't  figure this out:
> 
> I have a loop trough several dataframes such as
> 
> for (df in list(df1, df2, df3, ...)) {
> ..some functions with df..
> }
> 
> now I want to print out the current dataframes name (ie the list items
> name) with the cat command before the actual functions to have better
> orientation in the output.
> However, I haven't been successful with different variations of deparse(),
> substitute(), (cat(substitute(df)) gives me 'df' for the whole loop).

You were close. Try:

 deparse(substitute(df))

> 
> Could somebody please enlighten me?
> 
> Thanks so much!
> 
> Best,
> 
> Kai
> 
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

David Winsemius
Alameda, CA, USA