Subject: RE: st: RE: Removing variables with no observation from datasets harvard.edu 01/16/2003 10:42 AM Please respond to statalist adiallo5@worldbank.org > > DHS are the Macro-International databases on Demographic > and Health Surveys. > Many variables in these datasets contains missing...
"nearZeroVar diagnoses predictors that have one unique value (i.e. are zero variance predictors) or predictors that are have both of the following characteristics: they have very few unique values relative to the number of samples and the ratio of the frequency of the most common value to th...