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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61 lines
1.4 KiB
61 lines
1.4 KiB
4 years ago
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'use strict';
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var utils = require('./utils');
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/**
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* Resolve the arguments by looking up tasks and their dependencies.
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* This creates an array of composed functions to be run together.
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*
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* ```js
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* // bind the composer to the resolve call
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* var tasks = resolve.call(this, arr);
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* ```
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*
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* @param {Array} `arr` flattened array of strings and functions to resolve.
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* @return {Array} Return array of composed functions to run.
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*/
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module.exports = function(arr) {
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var len = arr.length, i = 0;
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var fns = [];
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var options = {};
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if (len && utils.isobject(arr[len - 1])) {
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options = arr.pop();
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len--;
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}
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while (len--) {
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var str = arr[i++];
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if (isGlob(str)) {
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var obj = utils.mm.matchKeys(this.tasks, str);
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var keys = Object.keys(obj);
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if (!keys.length) {
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throw new Error('glob pattern "' + str + '" did not match any tasks');
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}
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for (var j = 0; j < keys.length; j++) {
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fns.push(getTaskFn(this.tasks, keys[j], options));
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}
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continue;
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}
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if (typeof str === 'string') {
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str = getTaskFn(this.tasks, str, options);
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}
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fns.push(str);
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}
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return fns;
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};
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var re = /\[anonymous \(\d*\)\]/;
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function isGlob(str) {
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return utils.isGlob(str) && (!re.test(str));
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}
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function getTaskFn(tasks, key, options) {
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var task = tasks[key];
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if (!task) {
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throw new Error('task "' + key + '" is not registered');
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}
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utils.extend(task.options, options);
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return task.run.bind(task);
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}
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