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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93 lines
1.7 KiB
93 lines
1.7 KiB
'use strict';
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var utils = require('lazy-cache')(require);
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/**
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* Lazily required module dependencies
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*/
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var fn = require;
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require = utils;
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require('extend-shallow', 'extend');
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require('file-contents', 'contents');
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require('fs-exists-sync', 'exists');
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require('has-glob');
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require('is-registered');
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require('is-valid-glob');
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require('is-valid-instance');
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require('isobject', 'isObject');
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require('load-templates', 'loader');
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require = fn;
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/**
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* Return true if app is a valid instance
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*/
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utils.isValid = function(app) {
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if (!utils.isValidInstance(app)) {
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return false;
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}
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if (utils.isRegistered(app, 'assemble-loader')) {
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return false;
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}
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return true;
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};
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/**
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* Return `true` if the given value is a glob pattern or has a
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* glob pattern if it's an array
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*/
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utils.isGlob = function(key, val) {
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if (typeof val === 'undefined' || utils.isObject(val)) {
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return utils.hasGlob(key);
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}
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return false;
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};
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/**
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* Return true if the given value is an object.
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* @return {Boolean}
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*/
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utils.hasAny = function(obj, keys) {
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var len = keys.length;
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while (len--) {
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if (obj.hasOwnProperty(keys[len])) {
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return true;
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}
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}
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return false;
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};
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/**
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* Return true if the given value looks like an options
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* object.
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*/
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utils.isOptions = function(val) {
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if (!utils.isObject(val)) {
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return false;
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}
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if (val.isView || val.isItem || val._isVinyl) {
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return false;
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}
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return utils.hasAny(val, ['base', 'cwd']);
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};
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/**
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* Return true if a key looks like a valid filepath,
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* not a glob pattern or the key for a view object
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* and not a view.
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*/
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utils.isFilepath = function(key, value) {
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return (typeof key === 'string' && typeof value === 'undefined')
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|| utils.isOptions(value);
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};
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/**
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* Expose utils
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*/
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module.exports = utils;
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