w-statistic/g.regMpLine.mjs

A tool for statistical analysis.

import regMpLine from './src/regMpLine.mjs'
import _ from 'lodash-es'

async function test() {

    let arrX
    let arrY
    let r

    arrX = [
        [0, 0],
        [1, 2],
        [2, 3],
        [3, 4],
    ]
    arrY = [
        [0],
        [2],
        [4],
        [6],
    ]
    r = await regMpLine(arrX, arrY)
    console.log(r)
    // => {
    //   coes: [
    //     [ 2.0000000000000515 ],
    //     [ -1.4210854715202004e-14 ],
    //     [ 3.552713678800501e-15 ]
    //   ],
    //   m1: 2.0000000000000515,
    //   m2: -1.4210854715202004e-14,
    //   b: 3.552713678800501e-15
    // }

    arrX = [
        [0, 0],
        [1, 2],
        [2, 3],
        [3, 4],
    ]
    arrY = [
        [0, 0],
        [2, 4],
        [4, 6],
        [6, 8],
    ]
    r = await regMpLine(arrX, arrY)
    console.log(r)
    // => {
    //   coes: [
    //     [ 2.0000000000000515, 3.552713678800501e-14 ],
    //     [ -1.4210854715202004e-14, 1.9999999999999716 ],
    //     [ 3.552713678800501e-15, 0 ]
    //   ],
    //   m11: 2.0000000000000515,
    //   m21: 3.552713678800501e-14,
    //   m12: -1.4210854715202004e-14,
    //   m22: 1.9999999999999716,
    //   b1: 3.552713678800501e-15,
    //   b2: 0
    // }

    arrX = [
        [0, 0],
        [1, 2],
        [2, 3],
        [3, 4],
    ]
    arrY = [
        [0, 0, 0],
        [2, 4, 3],
        [4, 6, 5],
        [6, 8, 7],
    ]
    r = await regMpLine(arrX, arrY)
    console.log(r)
    // => {
    //   coes: [
    //     [ 2.0000000000000515, 3.552713678800501e-14, 1.0000000000000426 ],
    //     [ -1.4210854715202004e-14, 1.9999999999999716, 0.9999999999999591 ],
    //     [ 3.552713678800501e-15, 0, 7.105427357601002e-15 ]
    //   ],
    //   m11: 2.0000000000000515,
    //   m21: 3.552713678800501e-14,
    //   m31: 1.0000000000000426,
    //   m12: -1.4210854715202004e-14,
    //   m22: 1.9999999999999716,
    //   m32: 0.9999999999999591,
    //   b1: 3.552713678800501e-15,
    //   b2: 0,
    //   b3: 7.105427357601002e-15
    // }

    arrX = [
        [0, 0],
        [1, 2],
        [2, 3],
        [3, 4],
    ]
    arrY = [
        [0],
        [2],
        [4],
        [6],
    ]
    r = await regMpLine(arrX, arrY, { useRegIntercept: false }) //不使用截距, 也就是截距b=0
    console.log(r)
    // => {
    //   coes: [ [ 1.9999999999999716 ], [ 1.4210854715202004e-14 ] ],
    //   m1: 1.9999999999999716,
    //   m2: 1.4210854715202004e-14,
    //   b: 0
    // }

    arrX = [
        [0, 0],
        [1, 2],
        [2, 3],
        [3, 4],
    ]
    arrY = [
        [0],
        [2],
        [4],
        [6],
    ]
    r = await regMpLine(arrX, arrY, { interpX: [0, 0] })
    console.log(r)
    // => {
    //   coes: [
    //     [ 2.0000000000000515 ],
    //     [ -1.4210854715202004e-14 ],
    //     [ 3.552713678800501e-15 ]
    //   ],
    //   m1: 2.0000000000000515,
    //   m2: -1.4210854715202004e-14,
    //   b: 3.552713678800501e-15,
    //   interpX: [ 0, 0 ],
    //   interpY: [ 3.552713678800501e-15 ]
    // }

    arrX = [
        [0, 0],
        [1, 2],
        [2, 3],
        [3, 4],
    ]
    arrY = [
        [0],
        [2],
        [4],
        [6],
    ]
    r = await regMpLine(arrX, arrY, { interpX: [100, 0] })
    console.log(r)
    // => {
    //   coes: [
    //     [ 2.0000000000000515 ],
    //     [ -1.4210854715202004e-14 ],
    //     [ 3.552713678800501e-15 ]
    //   ],
    //   m1: 2.0000000000000515,
    //   m2: -1.4210854715202004e-14,
    //   b: 3.552713678800501e-15,
    //   interpX: [ 100, 0 ],
    //   interpY: [ 200.00000000000514 ]
    // }

    arrX = [
        [0, 0],
        [1, 2],
        [2, 3],
        [3, 4],
    ]
    arrY = [
        [0],
        [2],
        [4],
        [6],
    ]
    r = await regMpLine(arrX, arrY, { interpX: [0, 100] })
    console.log(r)
    // => {
    //   coes: [
    //     [ 2.0000000000000515 ],
    //     [ -1.4210854715202004e-14 ],
    //     [ 3.552713678800501e-15 ]
    //   ],
    //   m1: 2.0000000000000515,
    //   m2: -1.4210854715202004e-14,
    //   b: 3.552713678800501e-15,
    //   interpX: [ 0, 100 ],
    //   interpY: [ -1.4175327578413999e-12 ]
    // }

    arrX = [
        [0, 0],
        [1, 2],
        [2, 3],
        [3, 4],
    ]
    arrY = [
        [0],
        [2],
        [4],
        [6],
    ]
    r = regMpLine(arrX, arrY, { useSync: true }) //使用同步函數(sync)
    console.log(r)
    // => {
    //   coes: [
    //     [ 2.0000000000000515 ],
    //     [ -1.4210854715202004e-14 ],
    //     [ 3.552713678800501e-15 ]
    //   ],
    //   m1: 2.0000000000000515,
    //   m2: -1.4210854715202004e-14,
    //   b: 3.552713678800501e-15
    // }

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

//node g.regMpLine.mjs