StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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96 lines
1.6 KiB
96 lines
1.6 KiB
4 years ago
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'use strict';
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/**
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* Page constructor
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*
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* ```js
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* var page = new Page();
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* ```
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*
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* @param {Object} `page` optional page object to populate initial values.
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* @api public
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*/
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function Page(page) {
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if (!page) page = {};
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for (var key in page) this[key] = page[key];
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if (!this.hasOwnProperty('idx')) this.idx = 0;
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if (!this.hasOwnProperty('total')) this.total = 1;
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if (!this.hasOwnProperty('current')) {
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this.current = this.total;
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}
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}
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/**
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* Page getters
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*/
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Object.defineProperties(Page.prototype, {
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/**
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* Helper property to determine if this is the first page in a list.
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*/
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isFirst: {
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configurable: true,
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enumerable: true,
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get: function() {
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return this.idx === 0;
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}
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},
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/**
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* Helper property to determine if this is the last page in a list.
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*/
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isLast: {
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configurable: true,
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enumerable: true,
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get: function() {
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return this.idx === (this.total - 1);
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}
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},
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/**
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* Helper property to determine if this is there is a page before this one in a list.
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*/
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hasPrevious: {
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configurable: true,
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enumerable: true,
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get: function() {
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return !this.isFirst;
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}
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},
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/**
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* Helper property to determine if this is there is a page before this one in a list.
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*/
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hasPrev: {
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configurable: true,
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enumerable: true,
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get: function() {
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return !this.isFirst;
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}
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},
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/**
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* Helper property to determine if this is there is a page after this one in a list.
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*/
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hasNext: {
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configurable: true,
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enumerable: true,
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get: function() {
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return !this.isLast;
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}
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}
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});
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/**
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* Expose `Page`
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*/
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module.exports = Page;
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