This is a modified version of the data.frame
method of the generic function within
:
If transformations in 'within' result in an item object, the function returns
a 'data.set' object.
Variables in the
resulting data frame or 'data.set' object will appear in the
order of their creation by the transformation in the call
of 'within'.
1 2 |
data |
a data frame. |
expr |
an expression to evaluate. |
... |
further arguments, currently ignored as in the default method. |
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