combining dataframes of different lengths

[Joe Cerniglia <cj5815@yahoo.com>]

How can I combine data frames of differents lenghts?

Particularly, I am deciling two different dataframes
and one of those dataframes has NAs.  

The two resulting dataframes contain 10 rows and 11
rows.  

I want to combine the two dataframes into a dataframe
of 11 rows.

Thanks 

Joe 

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