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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58 lines
1.2 KiB
58 lines
1.2 KiB
4 years ago
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# fast-isnumeric
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The fast way to check if a JS object is numeric
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### Install
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```
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npm install fast-isnumeric
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```
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### API
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```js
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var isNumeric = require('fast-isnumeric');
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isNumeric(/* any JS object */);
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```
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### How fast
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Run comparison on jsperf: http://jsperf.com/isnumeric-jquery-and-alternate/5
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### Warning
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Please look up the test cases in
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[test.js](https://github.com/plotly/fast-isnumeric/blob/master/test.js) before
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using this module.
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Most importantly, `fast-isnumeric` returns false on number and string
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constructors. That is, `isNumeric(new Number(1))` and `isNumeric(new
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String('1'))` are **false**.
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### Tests
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Test locally with karma:
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```
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npm test
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```
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### Why?
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In [plotly](https://plot.ly/)'s javascript graphing library
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[plotly.js](https://plot.ly/javascript/) numerical objects must be accounted
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for in numerous hot code paths. Inspired by Jon Schlinkert's
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[is-number](https://github.com/jonschlinkert/is-number), `fast-isnumeric` is
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significantly simplified and sped up by ignoring number and string constructors.
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### Author
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Alex Johnson | https://github.com/alexcjohnson
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### License
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Copyright (c) 2015 Alex Johnson Released under the MIT license.
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