[R] Looping Through DataFrames with Differing Lenghts

[Paul Bernal]

Dear friends,

I have one dataframe which contains 378 observations, and another one,
containing 362 observations.

Both dataframes have two columns, one date column and another one with the
number of transits.

I wanted to come up with a code so that I could fill in the dates that are
missing in one of the dataframes and replace the column of transits with
the value NA.

I have tried several things but R obviously complains that the length of
the dataframes are different.

How can I solve this?

Any guidance will be greatly appreciated,

Best regards,

Paul

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