Description Usage Arguments Details Author(s)
View source: R/showDuplicated.R
Reduces a data frame to those subjects that are duplicated, but also includes the index record.
1 |
data |
A data frame |
... |
the variable names in the data frame that indicate distinct records. These should be unquoted and may include any number of fields. |
The data frame is first sorted by the fields in ...
. The user
may also specify fields to be sorted in descencing order via the desc
function in plyr
, but it is not strictly necessary.
It is assumed that the variable names do not include parentheses.
Benjamin Nutter
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