35 lines
986 B
TypeScript
35 lines
986 B
TypeScript
import { Project } from "../models/project";
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import { useState, useEffect } from "react";
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import { getProjectWeightedMean, getProjectStandardDeviation } from "../util/stat";
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export interface Estimation {
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e: number
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sd: number
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}
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export interface ProjetEstimations {
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p99: Estimation
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p90: Estimation
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p68: Estimation
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}
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export function useProjectEstimations(p :Project): ProjetEstimations {
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const [ estimations, setEstimations ] = useState({
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p99: { e: 0, sd: 0 },
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p90: { e: 0, sd: 0 },
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p68: { e: 0, sd: 0 },
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});
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useEffect(() => {
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const projectWeightedMean = getProjectWeightedMean(p)
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const projectStandardDeviation = getProjectStandardDeviation(p);
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setEstimations({
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p99: { e: projectWeightedMean, sd: (projectStandardDeviation * 3) },
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p90: { e: projectWeightedMean, sd: (projectStandardDeviation * 1.645) },
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p68: { e: projectWeightedMean, sd: (projectStandardDeviation) },
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})
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}, [p.tasks]);
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return estimations;
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} |