[R] Comparing the components of a data frame without levels interfering

[swonder03]

Thank you both. For my purposes I need the for statement. I looked into merge
but what I wound up doing was installing the package 'compare' and using the
if statement /if((compare(dfCity[k,1], dfState[j,1],
dropLevels=TRUE)==TRUE){do something}/. This seemed to behave the way I
wanted. 

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