function defaultimport { default } from "https://deno.land/x/simplestatistic@v7.7.1/src/r_squared.d.ts"; default(x: number[][], func: (x: number) => number): numberhttps://simplestatistics.org/docs/#rsquared https://simplestatistics.org/docs/#rsquared Parametersx: number[][]func: (x: number) => numberReturnsnumber