Description Usage Arguments Value Author(s) Examples
Subset an object based on the frequency of a column (factor or not).
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x |
object to be subsetted (e.g. |
col |
name of the column which stores the grouping factor (without quotes). |
n |
the reference number for the frequency of the grouping factor (must be a numeric of length 1). |
sign |
any comparison sign ( |
select |
expression, indicating columns to select (either name(s) without quote or numeric indicating the column number(s)). |
drop |
passed on to '[' indexing operator. |
A subset of the object (with the same class).
Mathieu Basille basille@ufl.edu
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