421 lines
16 KiB
JavaScript
421 lines
16 KiB
JavaScript
/* Definitions */
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const elementsDocument = '../data/listOfMoralGoods.json'
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const domain = 250
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/* Imports */
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import Head from 'next/head'
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import React, { useState } from "react";
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import fs from 'fs';
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import path from 'path';
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import { DrawGraph, removeOldSvg } from '../lib/labeledgraph';
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import { SliderElement, SubmitSliderButton } from "../lib/slider";
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import { DisplayElement } from '../lib/displayElement'
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import { DisplayAsMarkdown } from '../lib/displayAsMarkdown'
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import { CreateTableWithDistances } from '../lib/findPaths'
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import { TextAreaForJson } from "../lib/textAreaForJson"
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import { pushToMongo } from "../lib/pushToMongo.js"
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import { toLocale, transformSliderValueToPracticalValue, transformSliderValueToActualValue, numToAlphabeticalString } from "../lib/utils.js"
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/* Helpers */
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let increasingList = (n) => Array.from(Array(n).keys())
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let buildLinks = quantitativeComparisons => quantitativeComparisons.map(([element1, element2, distance, reasoning]) => ({ source: element1, target: element2, distance: distance, reasoning: reasoning }))
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Array.prototype.containsArray = function (val) {
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var hash = {};
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for (var i = 0; i < this.length; i++) {
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hash[this[i]] = i;
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}
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return hash.hasOwnProperty(val);
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}
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let checkIfListIsOrdered = (arr, binaryComparisons) => {
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let l = arr.length
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let isOrdered = true
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for (let i = 0; i < l - 1; i++) {
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isOrdered = isOrdered && binaryComparisons.containsArray([arr[i], arr[i + 1]])
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}
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return isOrdered
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}
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let displayFunctionSliderInner = (value) => {
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let result
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if (value >= 0) {
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result = toLocale(transformSliderValueToPracticalValue(value))
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} else {
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let inverseresult = toLocale(transformSliderValueToPracticalValue(-value))
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if (inverseresult == 1) {
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result = '1'
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} else {
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result = `1/${inverseresult}`
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}
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}
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return result
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}
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let displayFunctionSlider = (value) => {
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let result = displayFunctionSliderInner(value)
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result = `The first option is ${result}x as valuable as the second one`
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return result
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};
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let nicelyFormatLinks = (quantitativeComparisons, listOfElements) => quantitativeComparisons.map(([element1, element2, distance, reasoning]) => ({ source: listOfElements[element1].name, target: listOfElements[element2].name, distance: distance, reasoning: reasoning }))
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/* React components */
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// fs can only be used here.
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export async function getStaticProps() {
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//getServerSideProps
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// const { metaforecasts } = await getForecasts();
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const directory = path.join(process.cwd(), "pages")
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let listOfElementsDefault = JSON.parse(fs.readFileSync(path.join(directory, elementsDocument), 'utf8'));
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//console.log(directory)
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//console.log("metaforecasts", metaforecasts)
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return {
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props: {
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listOfElementsDefault
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},
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};
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}
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// Main react component
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export default function Home({ listOfElementsDefault }) {
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// State
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let initialListOfElements = listOfElementsDefault.map((element, i) => ({ ...element, id: i }))
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let initialPosList = increasingList(listOfElementsDefault.length) // [0,1,2,3,4]
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//let listOfElements = listOfElementsDefault.map((element, i) => ({...element, id: i}))
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//let list = increasingList(listOfElementsDefault.length) // [0,1,2,3,4]
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//let initialComparePair = [list[list.length-2], list[list.length-1]]
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let initialComparePair = [initialPosList[initialPosList.length - 2], initialPosList[initialPosList.length - 1]]
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let initialSliderValue = 1
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let initialReasoning = ''
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let initialBinaryComparisons = []
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let initialQuantitativeComparisons = []
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let initialIsListOdered = false
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let initialOrderedList = []
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let initialShowAdvancedOptions = false
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let initialShowComparisons = false
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let initialShowChangeDataSet = false
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const [listOfElements, setListOfElements] = useState(initialListOfElements)
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const [posList, setPosList] = useState(initialPosList)
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//const posList = initialPosList
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// let listOfElements = initialListOfElements
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const [toComparePair, setToComparePair] = useState(initialComparePair)
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const [sliderValue, setSliderValue] = useState(initialSliderValue)
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const [reasoning, setReasoning] = useState(initialReasoning)
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const [binaryComparisons, setBinaryComparisons] = useState(initialBinaryComparisons)
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const [quantitativeComparisons, setQuantitativeComparisons] = useState(initialQuantitativeComparisons) // More expressive, but more laborious to search through. For the ordering step, I only manipulate the binaryComparisons.
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const [isListOrdered, setIsListOrdered] = useState(initialIsListOdered)
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const [orderedList, setOrderedList] = useState(initialOrderedList)
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let [showAdvancedOptions, changeShowAdvanceOptions] = useState(initialShowAdvancedOptions);
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let [showComparisons, changeShowComparisons] = useState(initialShowComparisons);
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let [showChangeDataSet, changeshowChangeDataSet] = useState(initialShowChangeDataSet);
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let restart = (posList) => {
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setToComparePair([posList[posList.length - 2], posList[posList.length - 1]])
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setSliderValue(initialSliderValue)
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setBinaryComparisons(initialBinaryComparisons)
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setQuantitativeComparisons(initialQuantitativeComparisons)
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setIsListOrdered(initialIsListOdered)
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setOrderedList(initialOrderedList)
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removeOldSvg()
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}
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let changeDataSet = (listOfElementsNew) => {
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listOfElementsNew =
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listOfElementsNew.map((element, i) => ({ ...element, id: i }))
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let newPosList = increasingList(listOfElementsNew.length)
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setListOfElements(listOfElementsNew)
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setPosList(increasingList(listOfElementsNew.length))
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setToComparePair([newPosList[newPosList.length - 2], newPosList[newPosList.length - 1]])
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restart(newPosList)
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}
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// Manipulations
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let compareTwoElements = (newBinaryComparisons, element1, element2) => {
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let element1Greater = newBinaryComparisons.containsArray([element1, element2])
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let element2Greater = newBinaryComparisons.containsArray([element2, element1])
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if (element1Greater || element2Greater) {
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return element1Greater && !element2Greater
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} else {
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setToComparePair([element1, element2])
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//console.log(`No comparison found between ${element1} and ${element2}`)
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//console.log(`Comparisons:`)
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//console.log(JSON.stringify(newBinaryComparisons, null, 4));
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return "No comparison found"
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}
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}
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function merge(newBinaryComparisons, left, right) {
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let sortedArr = []; // the sorted elements will go here
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while (left.length && right.length) {
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// insert the biggest element to the sortedArr
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let comparison = compareTwoElements(newBinaryComparisons, left[0], right[0])
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if (comparison == "No comparison found") {
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return "No comparison found; unable to proceed"
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}
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else if (comparison) { // left[0] > right[0]
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sortedArr.push(left.shift());
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} else {
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sortedArr.push(right.shift());
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}
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}
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// use spread operator and create a new array, combining the three arrays
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return [...sortedArr, ...left, ...right]; // if they don't have the same size, the remaining ones will be greater than the ones before
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}
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function mergeSort({ array, comparisons }) {
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if (array == "No comparison found; unable to proceed") {
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return "No comparison found; unable to proceed"
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}
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const half = array.length / 2;
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// the base case is array length <=1
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if (array.length <= 1) {
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return array;
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}
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const left = array.slice(0, half); // the first half of the array
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const right = array.slice(half, array.length) // Note that splice is destructive.
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let orderedFirstHalf = mergeSort({ array: left, comparisons })
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let orderedSecondHalf = mergeSort({ array: right, comparisons })
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if (orderedFirstHalf != "No comparison found; unable to proceed" && orderedSecondHalf != "No comparison found; unable to proceed") {
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let result = merge(comparisons, orderedFirstHalf, orderedSecondHalf);
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return result
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} else {
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return "No comparison found; unable to proceed"
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}
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}
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let nextStepSimple = (posList, binaryComparisons, element1, element2) => {
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//console.log("Binary comparisons: ")
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//console.log(JSON.stringify(binaryComparisons, null, 4));
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let newComparison = [element1, element2] // [element1, element2]
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let newBinaryComparisons = [...binaryComparisons, newComparison]
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//console.log("New binaryComparisons: ")
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//console.log(JSON.stringify(newBinaryComparisons, null, 4));
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setBinaryComparisons(newBinaryComparisons)
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let result = mergeSort({ array: posList, comparisons: newBinaryComparisons })
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//console.log(result)
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if (result != "No comparison found; unable to proceed" && checkIfListIsOrdered(result, newBinaryComparisons)) {
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// console.log(`isListOrdered: ${isListOrdered}`)
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console.log("poslist@nextStepSimple")
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console.log(posList)
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console.log("result@nextStepSimple")
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console.log(result)
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setIsListOrdered(true)
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setOrderedList(result)
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return true
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} else {
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return false
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}
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}
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let nextStepSlider = ({ posList, binaryComparisons, sliderValue, Reasoning, element1, element2 }) => {
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if (sliderValue < 1 && sliderValue > 0) {
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sliderValue = 1 / sliderValue;
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[element1, element2] = [element2, element1]
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}
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console.log(`posList@nextStepSlider:`)
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console.log(posList)
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let successStatus = nextStepSimple(posList, binaryComparisons, element1, element2)
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let newQuantitativeComparison = [element1, element2, transformSliderValueToActualValue(sliderValue), reasoning]
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let newQuantitativeComparisons = [...quantitativeComparisons, newQuantitativeComparison]
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setQuantitativeComparisons(newQuantitativeComparisons)
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setSliderValue(1)
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setReasoning('')
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if (successStatus) {
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let jsObject = nicelyFormatLinks(quantitativeComparisons, listOfElements)
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pushToMongo(jsObject)
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console.log(jsObject)
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}
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}
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// Html
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return (
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<div className="flex flex-col items-center justify-center min-h-screen py-2">
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<div className="mt-20">
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<Head >
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<title>Utility Function Extractor</title>
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<link rel="icon" href="/favicon.ico" />
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</Head>
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</div>
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<main className="flex flex-col items-center w-full flex-1 px-20 text-center">
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<h1 className="text-6xl font-bold">
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Utility Function Extractor
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</h1>
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<div className={`${isListOrdered ? "hidden" : ""}`}>
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<div className="flex flex-wrap items-center max-w-4xl sm:w-full mt-10">
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<div
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className="flex m-auto border-gray-300 border-4 h-72 w-72 p-5"
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//onClick={() => nextStep(binaryComparisons, toComparePair[0], toComparePair[1])}
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>
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<div className="block m-auto text-center">
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<DisplayElement element={listOfElements[toComparePair[0]]}>
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</DisplayElement>
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</div>
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</div>
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<div className="flex m-auto w-72">
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<div className="block m-auto text-center">
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{/*`is ${displayFunctionSliderInner(sliderValue)}x times as valuable as`*/}
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<br />
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<label>
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{`... is `}
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<br />
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<input
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type="number"
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value={sliderValue}
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onChange={(event) => {
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//console.log(event)
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//console.log(event.target.value)
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setSliderValue(event.target.value)
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}}
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className="text-center px-2 py-1 placeholder-blueGray-300 text-blueGray-600 relative bg-white bg-white rounded text-lg border-0 shadow outline-none focus:outline-none focus:ring w-8/12 m-2 h-10"
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/>
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<br />
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{`times as valuable as ...`}
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</label>
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<br />
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<SubmitSliderButton
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posList={posList}
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binaryComparisons={binaryComparisons}
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sliderValue={sliderValue}
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reasoning={reasoning}
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toComparePair={toComparePair}
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nextStepSlider={nextStepSlider}
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/>
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</div>
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</div>
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<div
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className="flex m-auto border-gray-300 border-4 h-72 w-72 p-5 "
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//onClick={() => nextStep(binaryComparisons, toComparePair[1], toComparePair[0])}
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>
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<div className="block m-auto text-center">
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<DisplayElement element={listOfElements[toComparePair[1]]}>
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</DisplayElement>
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</div>
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</div>
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</div>
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<br />
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<label className="">
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Reasoning (optional):
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<br />
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<textarea className="mt-2 px-3 py-4 placeholder-blueGray-300 text-blueGray-600 relative bg-white bg-white rounded text-base border-0 shadow outline-none focus:outline-none focus:ring w-full"
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value={reasoning}
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onChange={(event) => setReasoning(event.target.value)}
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/>
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</label>
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<br />
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<div>
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</div>
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{/*
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<div className={`flex row-start-3 row-end-3 col-start-1 col-end-4 md:col-start-3 md:col-end-3 md:row-start-1 md:row-end-1 lg:col-start-3 lg:col-end-3 lg:row-start-1 lg:row-end-1 items-center justify-center mb-4 mt-10 ${isListOrdered ? "hidden" : ""}`}>
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<SliderElement
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className="flex items-center justify-center"
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onChange={(event) => (setSliderValue(event[0]))}
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value={sliderValue}
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displayFunction={displayFunctionSlider}
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domain={domain}
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/>
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</div>
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*/}
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</div>
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<DrawGraph
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isListOrdered={isListOrdered}
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orderedList={orderedList}
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listOfElements={listOfElements}
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links={buildLinks(quantitativeComparisons)}>
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</DrawGraph>
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<div className={`inline items-center text-center mt-10 ${isListOrdered ? "" : "hidden"}`}>
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<CreateTableWithDistances
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isListOrdered={isListOrdered}
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orderedList={orderedList}
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listOfElements={listOfElements}
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links={buildLinks(quantitativeComparisons)}
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>
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</CreateTableWithDistances>
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</div>
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<div className="w-2/12 flex justify-center mt-10">
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<button
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className="text-gray-500 text-sm"
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onClick={() => changeShowAdvanceOptions(!showAdvancedOptions)}
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>
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Advanced options ▼
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</button>
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</div>
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<div className={`flex flex-wrap -mx-4 overflow-hidden ${showAdvancedOptions ? "" : "hidden"}`}>
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<div className="my-4 px-4 w-1/3 overflow-hidden">
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<button
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className="bg-transparent hover:bg-blue-500 text-blue-700 font-semibold hover:text-white py-2 px-4 border border-blue-500 hover:border-transparent rounded mt-5"
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onClick={() => restart(posList)}>
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Restart
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</button>
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</div>
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<div className="my-4 px-4 w-1/3 overflow-hidden">
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<button
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className="bg-transparent hover:bg-blue-500 text-blue-700 font-semibold hover:text-white py-2 px-4 border border-blue-500 hover:border-transparent rounded mt-5"
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onClick={() => changeShowComparisons(!showComparisons)}>
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Show comparisons
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</button>
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</div>
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<div className="my-4 px-4 w-1/3 overflow-hidden">
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<button
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className="bg-transparent hover:bg-blue-500 text-blue-700 font-semibold hover:text-white py-2 px-4 border border-blue-500 hover:border-transparent rounded mt-5"
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onClick={() => changeshowChangeDataSet(!showChangeDataSet)}>
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Use your own data
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</button>
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</div>
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</div>
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<div className={`inline mt-5 ${showChangeDataSet ? "" : "hidden"}`}>
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<TextAreaForJson handleSubmit={changeDataSet} />
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</div>
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<div className={`inline mt-5 ${showComparisons ? "" : "hidden"}`}>
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{/*
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<DisplayAsMarkdown markdowntext={"## Ordered list\n\n" + JSON.stringify(orderedList.map(i => listOfElements[i]), null, 4)}></DisplayAsMarkdown>
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*/}
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<h2>Comparisons</h2>
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<div className="text-left">
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<DisplayAsMarkdown
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markdowntext={JSON.stringify(nicelyFormatLinks(quantitativeComparisons, listOfElements), null, 4)}
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className={""}>
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</DisplayAsMarkdown>
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</div>
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{/*
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<p>{`Binary comparisons: ${JSON.stringify(binaryComparisons, null, 4)}`}</p>
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<p>{`Quantitative comparisons: ${JSON.stringify(quantitativeComparisons, null, 4)}`}</p>
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*/}
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</div>
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</main>
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</div>
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)
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}
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