test_factors {plspm} | R Documentation |
Internal function not to be called by the user
test_factors(DF)
DF |
data frame that might contain factors |
Internal function. test_factors
is called by
get_treated_data
.
whether DF contains factors or not
Do NOT use this function unless you are ME, a package developer, or a jedi user who really knows what is doing (seriously!)
Test presence of factors in a data.frame