w-statistic/g.regPoly.mjs

A tool for statistical analysis.

import regPoly from './src/regPoly.mjs'

async function test() {

    let arr
    let r

    arr = [
        [50, 3.3], [50, 2.8],
        [50, 2.9], [70, 2.3],
        [70, 2.6], [70, 2.1],
        [80, 2.5], [80, 2.9],
        [80, 2.4], [90, 3],
        [90, 3.1], [90, 2.8],
        [100, 3.3], [100, 3.5],
        [100, 3]
    ]
    r = await regPoly(arr, 2)
    console.log(r)
    // => {
    //   b: 7.960481099654818,
    //   m1: -0.15371134020614285,
    //   m2: 0.0010756013745701653
    // }

    arr = [
        [50, 3.3], [50, 2.8],
        [50, 2.9], [70, 2.3],
        [70, 2.6], [70, 2.1],
        [80, 2.5], [80, 2.9],
        [80, 2.4], [90, 3],
        [90, 3.1], [90, 2.8],
        [100, 3.3], [100, 3.5],
        [100, 3]
    ]
    r = await regPoly(arr, 3)
    console.log(r)
    // => {
    //   b: 21.051572327842386,
    //   m1: -0.7142872117740979,
    //   m2: 0.0087657232709057,
    //   m3: -0.000034014675054462467
    // }

    arr = [
        [50, 3.3], [50, 2.8],
        [50, 2.9], [70, 2.3],
        [70, 2.6], [70, 2.1],
        [80, 2.5], [80, 2.9],
        [80, 2.4], [90, 3],
        [90, 3.1], [90, 2.8],
        [100, 3.3], [100, 3.5],
        [100, 3]
    ]
    r = await regPoly(arr, 2, { useRegIntercept: false }) //不使用截距, 也就是截距b=0
    console.log(r)
    // => { b: 0, m1: 0.06524644304242452, m2: -0.00035672260356343373 }

    arr = [
        [50, 3.3], [50, 2.8],
        [50, 2.9], [70, 2.3],
        [70, 2.6], [70, 2.1],
        [80, 2.5], [80, 2.9],
        [80, 2.4], [90, 3],
        [90, 3.1], [90, 2.8],
        [100, 3.3], [100, 3.5],
        [100, 3]
    ]
    r = await regPoly(arr, 2, { interpX: 80 })
    console.log(r)
    // => {
    //   b: 7.960481099654818,
    //   m1: -0.15371134020614285,
    //   m2: 0.0010756013745701653,
    //   interpX: 80,
    //   interpY: 2.5474226804124473
    // }

    arr = [
        [50, 3.3], [50, 2.8],
        [50, 2.9], [70, 2.3],
        [70, 2.6], [70, 2.1],
        [80, 2.5], [80, 2.9],
        [80, 2.4], [90, 3],
        [90, 3.1], [90, 2.8],
        [100, 3.3], [100, 3.5],
        [100, 3]
    ]
    r = await regPoly(arr, 2, { calcR2: true })
    console.log(r)
    // => {
    //   b: 7.960481099654818,
    //   m1: -0.15371134020614285,
    //   m2: 0.0010756013745701653,
    //   r2: 0.6732052768464256
    // }

    arr = [
        [50, 3.3], [50, 2.8],
        [50, 2.9], [70, 2.3],
        [70, 2.6], [70, 2.1],
        [80, 2.5], [80, 2.9],
        [80, 2.4], [90, 3],
        [90, 3.1], [90, 2.8],
        [100, 3.3], [100, 3.5],
        [100, 3]
    ]
    r = regPoly(arr, 2, { useSync: true }) //使用同步函數(sync)
    console.log(r)
    // => {
    //   b: 7.960481099654818,
    //   m1: -0.15371134020614285,
    //   m2: 0.0010756013745701653
    // }

    arr = [
        [1, 2.5],
        [2.5, 1.1],
        [4, 0.5],
    ]
    r = await regPoly(arr, 1)
    console.log(r)
    // => { b: 3.0333333333333314, m1: -0.666666666666666 }

}
test()
    .catch((err) => {
        console.log(err)
    })

//node g.regPoly.mjs