ethnicn.Rd
Takes character input and returns standard yspec numeric value for Ethnic
ethnicn(ethnicc)
Ethnic character
the standard yspec numeric value for the inputted Ethnic character
ethnicn("HISPANIC OR LATINO") # 1 #> [1] 1 ethnicn("NOT HISPANIC OR LATINO") # 0 #> [1] 0 ethnicn("UNKNOWN") # -999 #> [1] -999