just-standard-deviation

Part of a library of zero-dependency npm modules that do just do one thing. Guilt-free utilities for every occasion.

🍦 Try it

npm install just-standard-deviation

yarn add just-standard-deviation

Return the standard deviation of an array or numeric argument list

import standardDeviation from "just-standard-deviation";

standardDeviation([1, 2, 3, 2, 4, 1]); // 1.16904519
standardDeviation(3, 2, 1); // 1
standardDeviation([100, 100, 100.1, 100]); // 0.05
standardDeviation(1, 2, 3, 4, 5, -6); // 3.9370039
standardDeviation([4]); // throws
standardDeviation(["3", 2]); // throws
standardDeviation(NaN, NaN); // throws
standardDeviation(); // throws