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/** * The [log average](https://en.wikipedia.org/wiki/https://en.wikipedia.org/wiki/Geometric_mean#Relationship_with_logarithms) * is an equivalent way of computing the geometric mean of an array suitable for large or small products. * * It's found by calculating the average logarithm of the elements and exponentiating. * * @param {Array<number>} x sample of one or more data points * @returns {number} geometric mean * @throws {Error} if x is empty * @throws {Error} if x contains a negative number */function logAverage(x) {    if (x.length === 0) {        throw new Error("logAverage requires at least one data point");    }
    let value = 0;    for (let i = 0; i < x.length; i++) {        if (x[i] < 0) {            throw new Error(                "logAverage requires only non-negative numbers as input"            );        }        value += Math.log(x[i]);    }
    return Math.exp(value / x.length);}
export default logAverage;