This utility method can be used as a format function when converting trees to a data.frame
FormatPercent(x, digits = 2, format = "f", ...)A string corresponding to x, suitable for printing
formatC
data(acme)
print(acme, prob = acme$Get("p", format = FormatPercent))
#> levelName prob
#> 1 Acme Inc.
#> 2 ¦--Accounting
#> 3 ¦ ¦--New Software 50.00 %
#> 4 ¦ °--New Accounting Standards 75.00 %
#> 5 ¦--Research
#> 6 ¦ ¦--New Product Line 25.00 %
#> 7 ¦ °--New Labs 90.00 %
#> 8 °--IT
#> 9 ¦--Outsource 20.00 %
#> 10 ¦--Go agile 5.00 %
#> 11 °--Switch to R 100.00 %