This helper function makes it easy to change tidy data into a tidy(er) format that can be used by geom_parallel_sets.

gather_set_data(data, x, id_name = "id")

Arguments

data

A tidy dataframe with some categorical columns

x

The columns to use for axes in the parallel sets diagram

id_name

The name of the column that will contain the original index of the row.

Value

A data.frame

Examples

data <- reshape2::melt(Titanic) head(gather_set_data(data, 1:4))
#> Class Sex Age Survived value id x y #> 1 1st Male Child No 0 1 Class 1st #> 2 2nd Male Child No 0 2 Class 2nd #> 3 3rd Male Child No 35 3 Class 3rd #> 4 Crew Male Child No 0 4 Class Crew #> 5 1st Female Child No 0 5 Class 1st #> 6 2nd Female Child No 0 6 Class 2nd