KeyedFrames
A KeyedFrame
is a DataFrame
that also stores a vector of column names that together act
as a unique key, which can be used to determine which columns to join
, unique
, and
sort
on by default.
A DataFrame that also keeps track of its unique key
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A KeyedFrame
is a DataFrame
that also stores a vector of column names that together act
as a unique key, which can be used to determine which columns to join
, unique
, and
sort
on by default.
A DataFrame that also keeps track of its unique key