I am facing a problem in merging two datasets.
I have given codes to the names which are common in both the datasets and
also to those which are uncommon.
When I gave gave the following command

merge(df1,df2)

only those rows and columns were merged which were  having common codes.
When I viewed the results, only common codes are seen and the remaining
entries are not seen.

Can anyone guide me in this regards?
How should I merge these two datasets completely without loss of any
information?

Thanks,
Shreyasee

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