a table that acts as a “master list” of items, and is used to store values in exchange for their identifiers (like the id column) and then synchronize with columns from other tables through foreign ...

See how to join two data sets by one or more common columns using base R’s merge function, dplyr join functions, and the speedy data.table package. R has a number of quick, elegant ways to join data ...

Those of us over a certain age will remember using paper lookup tables for logarithms or trigonometry functions. Those who are younger will have been exposed to lookup tables in their programming ...