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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48 lines
1.5 KiB
48 lines
1.5 KiB
4 years ago
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"use strict"
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module.exports = cwiseTransform
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var staticModule = require("static-module")
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var parse = require("cwise-parser")
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var uglify = require("uglify-js")
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var REQUIRED_FIELDS = [ "args", "body" ]
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var OPTIONAL_FIELDS = [ "pre", "post", "printCode", "funcName", "blockSize" ]
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function processFunc(func) {
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var codeStr = "var X=" + func
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var minified = uglify.minify(codeStr, {fromString: true, compress: { unused: "keep_assign" }}).code
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var code = minified.substr(6, minified.length-7)
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return parse(code)
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}
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function cwiseTransform(file, opts) {
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var sm = staticModule({
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cwise: function(user_args) {
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for(var id in user_args) {
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if(REQUIRED_FIELDS.indexOf(id) < 0 &&
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OPTIONAL_FIELDS.indexOf(id) < 0) {
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console.warn("cwise: Unknown argument '"+id+"' passed to expression compiler")
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}
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}
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for(var i=0; i<REQUIRED_FIELDS.length; ++i) {
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if(!user_args[REQUIRED_FIELDS[i]]) {
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throw new Error("cwise: Missing argument: " + REQUIRED_FIELDS[i])
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}
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}
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var compileBlock = {
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args: user_args.args,
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pre: processFunc(user_args.pre || function(){}),
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body: processFunc(user_args.body),
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post: processFunc(user_args.post || function(){}),
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debug: !!user_args.printCode,
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funcName: user_args.funcName || user_args.body.name || "cwise",
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blockSize: user_args.blockSize || 64
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}
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var codeStr = "require('cwise/lib/wrapper')(" + JSON.stringify(compileBlock) + ")"
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return codeStr
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}
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})
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return sm
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}
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