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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30 lines
1.0 KiB
30 lines
1.0 KiB
4 years ago
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import _checkPrecision from './internal/checkPrecision';
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import settings from './settings';
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/**
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* Implementation of toFixed() that treats floats more like decimals
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*
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* Fixes binary rounding issues (eg. (0.615).toFixed(2) === '0.61') that present
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* problems for accounting- and finance-related software.
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*
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* ```js
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* (0.615).toFixed(2); // "0.61" (native toFixed has rounding issues)
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* accounting.toFixed(0.615, 2); // "0.62"
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* ```
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*
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* @method toFixed
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* @for accounting
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* @param {Float} value The float to be treated as a decimal number.
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* @param {Number} [precision=2] The number of decimal digits to keep.
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* @return {String} The given number transformed into a string with the given precission
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*/
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function toFixed(value, precision) {
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precision = _checkPrecision(precision, settings.precision);
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const power = Math.pow(10, precision);
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// Multiply up by precision, round accurately, then divide and use native toFixed():
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return (Math.round((value + 1e-8) * power) / power).toFixed(precision);
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}
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export default toFixed;
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