Supports systematic scrutiny, modification, and integration of data. The function status() counts rows that have missing values in grouping columns (returned by na() ), have nonunique combinations of grouping columns (returned by dup() ), and that are not locally sorted (returned by unsorted() ). Functions enumerate() and itemize() give sorted unique combinations of columns, with or without occurrence counts, respectively. Function ignore() drops columns in x that are present in y, and informative() drops columns in x that are entirely NA; constant() returns values that are constant, given a key. Data that have defined unique combinations of grouping values behave more predictably during merge operations.
Package details 


Author  Tim Bergsma 
Maintainer  Tim Bergsma <[email protected]> 
License  GPL3 
Version  0.5 
Package repository  View on GitHub 
Installation 
Install the latest version of this package by entering the following in R:

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