This function launches a shiny app in a web browser in order to do
interactive reordering of the levels of a categorical variable (character
or factor).
Usage
iorder(dfobject, oldvar)
Arguments
dfobject
data frame to operate on, as an object or a character string
oldvar
name of the variable to be reordered, as a character string (possibly without quotes)
Value
The function launches a shiny app in the system web browser. The reordering code is returned in the console
when the app is closed with the "Done" button.
Details
The generated convert the variable into a factor, as only those allow for levels ordering.