Calculate the simple moving average of a given array and using a subset of n elements. Note that elements that cannot be calculated because of not enough items in the subset will be set to 0 ...

Excel's basic formulas work fine for simple calculations, but they quickly become cumbersome when you're dealing with complex data analysis. You end up with nested functions that are hard to read, ...

Later in the DATA step, when you want to process the variables in the array, you can refer to a variable by either its name or its array reference. For example, the names Reference and books{1} are ...

JavaScript’s reduce is one of the most useful array methods that should be in a developer’s arsenal. Introduced in ES5, it’s somewhat similar to for…each and map methods that are used with arrays, but ...

Simple ES6 Array.prototype.findIndex polyfill for older environments taken from es6-shim. For browsers and node.js. Permission is hereby granted, free of charge, to any person obtaining a copy of this ...