‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful! Last week, I casually dropped the term “higher-order function” ...

Although there are many functions in the base package of R, sometimes there may not be a function that does exactly what you want. In this case, R allows users to create their own functions and call ...

Functions are simply sectioned-off pieces of code. When you want to use your code segment, call it by its name and it will come running. Inside the round brackets, we haven't put anything. They have ...

Have you ever spent hours manually updating a spreadsheet, only to realize there’s a faster, smarter way to get the job done? Excel is a tool most of us use, but few truly master. The irony? Some of ...

Have you ever found yourself endlessly dragging formulas across rows or columns in Excel, only to realize there’s got to be a better way? Maybe you’ve spent hours creating helper columns or ...