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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69 lines
1.2 KiB
69 lines
1.2 KiB
4 years ago
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'use strict';
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var fs = require('fs');
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var utils = require('lazy-cache')(require);
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var fn = require;
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require = utils;
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/**
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* Lazily required module dependencies
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*/
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require('cwd');
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require('expand-tilde');
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require('extend-shallow', 'extend');
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require('fs-exists-sync', 'exists');
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require('homedir-polyfill', 'home');
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require('resolve');
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require = fn;
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/**
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* Return the given `val`
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*/
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utils.identity = function(val) {
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return val;
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};
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/**
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* Decorate `file` with `stat`
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*/
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utils.decorate = function(file, fn) {
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var resolve = fn || utils.identity;
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var stat;
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Object.defineProperty(file, 'stat', {
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configurable: true,
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set: function(val) {
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stat = val;
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},
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get: function() {
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if (stat) {
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return stat;
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}
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if (!this.path) {
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throw new Error('expected file.path to be a string, cannot get file.stat');
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}
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if (utils.exists(this.path)) {
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stat = fs.lstatSync(this.path);
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return stat;
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}
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return null;
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}
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});
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// support a custom `resolve` fn
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var filepath = resolve.call(file, file);
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if (typeof filepath === 'string') {
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file.path = filepath;
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}
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return file;
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};
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/**
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* Expose `utils` modules
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*/
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module.exports = utils;
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