Version 0.3.0
- add 
na.true and na.false 
- Replace 
na.most_freq with na.mode 
Version 0.2.1
- README.md: Fix canonical link to multivariate task view
 
- Remove tools directory from task view
 
Version 0.2.0
- Add 
NA_explicit_ as an exported constant for explicit
categorical values. 
- Convert man to use markdown.
 
- Remove old aliases
 
Version (2018-01-22)
- Fix 
na_replace (and na_explicit) to add
levels for values if they do not already exist. 
- Add tests
 
- Fix documentation
 
Version (2017-08-22)
- Add na_explicit and na_implicit
 
Version
- na_replace: revert from using 
ifelse because of edge
cases 
- add 
zzz.R 
- add 
NEWS.md 
- add tests for 
na_replace 
Version
na_replace now uses ifelse and prevent
recycling value