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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140 lines
2.9 KiB
140 lines
2.9 KiB
4 years ago
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'use strict';
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var utils = module.exports = require('lazy-cache')(require);
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var warnings = require('./warnings');
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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('arr-union', 'union');
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require('collection-visit', 'visit');
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require('define-property', 'define');
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require('extend-shallow', 'extend');
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require('get-value', 'get');
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require('is-primitive');
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require('kind-of', 'typeOf');
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require('log-utils', 'log');
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require('longest');
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require('mixin-deep', 'merge');
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require('object.omit', 'omit');
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require('object.pick', 'pick');
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require('omit-empty');
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require('pad-right', 'pad');
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require('set-value', 'set');
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require('sort-object-arrays', 'sortArrays');
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require('union-value');
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require = fn;
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/**
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* Logging colors and symbols
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*/
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utils.symbol = utils.log.symbols;
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utils.color = utils.log.colors;
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/**
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* Return true if `obj` has property `key`, and its value is
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* not undefind, null or an empty string.
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*
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* @param {any} `val`
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* @return {Boolean}
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*/
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utils.hasValue = function(key, target) {
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if (!target.hasOwnProperty(key)) {
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return false;
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}
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var val = target[key];
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if (typeof val === 'undefined' || val === 'undefined') {
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return false;
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}
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if (val === null || val === '') {
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return false;
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}
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return true;
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};
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utils.hasElement = function(key, target) {
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if (typeof target === 'string') {
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target = [target];
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}
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return target.indexOf(key) === -1;
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};
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/**
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* Return true if `val` is empty
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*/
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utils.isEmpty = function(val) {
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if (utils.isPrimitive(val)) {
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return val === 0 || val === null || typeof val === 'undefined';
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}
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if (Array.isArray(val)) {
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return val.length === 0;
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}
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if (utils.isObject(val)) {
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return Object.keys(utils.omitEmpty(val)).length === 0;
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}
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};
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/**
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* Return true if `val` is an object, not an array or function.
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*
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* @param {any} `val`
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* @return {Boolean}
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*/
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utils.isObject = function(val) {
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return utils.typeOf(val) === 'object';
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};
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/**
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* Cast `val` to an array.
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*
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* @param {String|Array} val
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* @return {Array}
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*/
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utils.arrayify = function(val) {
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return val ? (Array.isArray(val) ? val : [val]) : [];
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};
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/**
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* Return the indefinite article(s) to use for the given
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* JavaScript native type or types.
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*
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* @param {String|Array} `types`
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* @return {String}
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*/
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utils.article = function(types) {
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if (typeof types === 'string' || types.length === 1) {
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var prefix = /^[aeiou]/.test(String(types)) ? 'an ' : 'a ';
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return prefix + types;
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}
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return types.map(function(type) {
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return utils.article(type);
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}).join(' or ');
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};
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/**
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* Format a line in the warning table
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*/
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utils.formatWarning = function(warning) {
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var method = warning.method;
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var msg = utils.log.warning;
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msg += ' ';
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msg += utils.color.yellow('warning');
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msg += ' ';
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if (method === 'custom') {
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msg += warning.message;
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} else {
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msg += warnings[warning.method](warning);
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}
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return msg;
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};
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