deno.land / x / simplestatistics@v7.8.3 / src / extent.js
1234567891011121314151617181920212223242526272829303132/** * This computes the minimum & maximum number in an array. * * This runs in `O(n)`, linear time, with respect to the length of the array. * * @param {Array<number>} x sample of one or more data points * @returns {Array<number>} minimum & maximum value * @throws {Error} if the length of x is less than one * @example * extent([1, 2, 3, 4]); * // => [1, 4] */function extent(x) { if (x.length === 0) { throw new Error("extent requires at least one data point"); }
let min = x[0]; let max = x[0]; for (let i = 1; i < x.length; i++) { if (x[i] > max) { max = x[i]; } if (x[i] < min) { min = x[i]; } } return [min, max];}
export default extent;
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