10.50 Removing Ignored Variables

20180726 Once we have identified all of the variables to ignore we remove them from our list of variables to use.

# Check the number of variables currently.

length(vars)
## [1] 24
# Remove the variables to ignore.

vars <- setdiff(vars, ignore)

# Confirm they are now ignored.

length(vars)
## [1] 18


Your donation will support ongoing availability and give you access to the PDF version of this book. Desktop Survival Guides include Data Science, GNU/Linux, and MLHub. Books available on Amazon include Data Mining with Rattle and Essentials of Data Science. Popular open source software includes rattle, wajig, and mlhub. Hosted by Togaware, a pioneer of free and open source software since 1984. Copyright © 1995-2022 Graham.Williams@togaware.com Creative Commons Attribution-ShareAlike 4.0