I introduce the merge function in R and use it to join two data sets. I demonstrate left joins, right joins, inner joins, and outer joins using this merge function.
There is some light explanation about what the joins mean, but it is not comprehensive.
Code: https://github.com/MattBirch42/R-Tips-Code.git
For more R videos like this: https://www.youtube.com/playlist?list=PLWd1brOYtkZXYV7MEus3mtp77fyuHDwFy
For other short R tips: https://www.youtube.com/playlist?list=PLWd1brOYtkZUZmtXVgDzl8druwEpgN-aW
