👉 How to write the rule of a function given the table of values. To write the rule of a function from the table is somehow ...

Description: 👉 How to write the rule of a function given the table of values. To write the rule of a function from the table is somehow tricky but can be made easier by having prior knowledge of the ...

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 ...

How to split a column using an IF() function in Excel Your email has been sent We all inherit Microsoft Excel sheets that don’t suit our working routine. If it’s a simple tracking sheet of some sort, ...

Make your R data.table code more efficient and elegant with these special symbols and operators. Plus, learn about the new fcase() function R data.table code becomes more efficient — and elegant — ...