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Row bind a list while assigning names to rows

do_call_rbind_withName.Rd

Use do.call(rbind, ...) on a list of data.frames while creating a new variable (colName) which contains, for example, the original list naming (name).

Usage

do_call_rbind_withName(df_list, name = names(df_list), colName)

Arguments

df_list

A list of data.frames.

name

Vector of names to fill colName. Default uses the names of df_list.

colName

A single character; name for the new column.

Value

Returns a data.frame.

Author

Benjamin Becker

Examples

### create example list
df_list <- lapply(mtcars, function(x) {
  data.frame(m = mean(x), sd = sd(x))
})

### transform to a single data.frame
do_call_rbind_withName(df_list, colName = "variable")
#>    variable          m          sd
#> 1       mpg  20.090625   6.0269481
#> 2       cyl   6.187500   1.7859216
#> 3      disp 230.721875 123.9386938
#> 4        hp 146.687500  68.5628685
#> 5      drat   3.596563   0.5346787
#> 6        wt   3.217250   0.9784574
#> 7      qsec  17.848750   1.7869432
#> 8        vs   0.437500   0.5040161
#> 9        am   0.406250   0.4989909
#> 10     gear   3.687500   0.7378041
#> 11     carb   2.812500   1.6152000