.R in the etc subdirectory
of the package. Add menus, submenus, and menu items by editing the file
Rcmdr-menus.txt in the same directory.checkMultiLevelFactors(n=1)
listMultiLevelFactors(dataSet=ActiveDataSet())
MultiLevelFactors(names)
multiLevelFactorsP(n=1)Rcmdr package and documented briefly here.
To see how these functions work, it is simplest to examine the dialog-generating functions in the Rcmdr package.
Checking for errors:
The function checkMultiLevelFactors
checks for the existence of objects and writes an error message to the log if it is absent
(or insufficiently numerous, in the case of different kinds of variables).
Information:
The following function returns vectors of object names:
listMultiLevelFactors