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I am currently experiencing issues with a loop construct of mine. I loop over several data frames that are stored in a list. For each iteration, I would like to extract the name of the data frame to be then used as output name. I tried the following:

df_list<-list(df1, df2, df3)
#Looping across list of data frames ...
#Extract name of data frame:
name<-paste0(as.character(df_list[[i]]), "result")

However, this approach extract the complete content of the data frame and uses it as variable name. I tried several other approaches, but all failed...

Thank you very much in advance!

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  • what does names(df_list) return? Commented Feb 5, 2021 at 11:06
  • It returns NULL. Commented Feb 5, 2021 at 11:07
  • By default, your list of data frames will not have names, you can provide it using names(df_list) <- c("df1", "df2", "df3") Commented Feb 5, 2021 at 11:08

1 Answer 1

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Use tibble::lst() to create the list.. this function automatically uses the 'name' of the added object as name in the list, so it always returns a named list.

so df_list <- tibble::lst( df1, df2, df3 )

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