R data.table code becomes more efficient — and elegant — when you take advantage of its special symbols and functions. With that in mind, we’ll look at some special ways to subset, count ...

It is rare to find an implemented database devoid of reference tables. Reference tables provide valid values for drop-down lists and in a slightly obtuse way, also allow for expression of a domain or ...

In the case of my featured snippet table, I used HTML with Bootstrap for easy CSS formatting. For my page, I’m using both structured data and a clear content structure.

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.