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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | import Descriptive from "./descriptive"; export default class Inferential { descriptives: Array<Descriptive>; constructor (descriptives: Array<Descriptive>) { this.descriptives = descriptives; } oneSampleT(populationMean: number, descriptiveName: string, rounded: number|false = false) { var descriptive: Descriptive = this.descriptives.filter((descriptive) => descriptive.name == descriptiveName)[0]; var numerator = ( descriptive.summary.mean - populationMean ); var denominator = ( descriptive.summary.standardDeviation/Math.sqrt(descriptive.size) ); return rounded ? parseFloat(Number(numerator/denominator).toFixed(rounded)): Number(numerator/denominator); } // twoSampleT } |