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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52 lines
1.2 KiB
52 lines
1.2 KiB
4 years ago
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# array-range
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[](http://github.com/badges/stability-badges)
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Tiny module to create a new dense array with the specified range.
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```js
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var range = require('array-range')
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range(3) // -> [ 0, 1, 2 ]
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range(1, 4) // -> [ 1, 2, 3 ]
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```
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Mainly useful for functional programming. ES6 examples:
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```js
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var array = require('array-range')
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array(5).map( x => x*x )
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// -> [ 0, 1, 4, 9, 16 ]
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array(2, 10).filter( x => x%2===0 )
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// -> [ 2, 4, 6, 8 ]
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```
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It can also be useful for creating a fixed size dense array. Cleaner than `apply` and does not create an intermediate array:
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```js
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array(5)
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//vs.
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Array.apply(null, new Array(5))
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```
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## Usage
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[](https://nodei.co/npm/array-range/)
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#### `array(start, end)`
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Creates a new dense array with a length of `end-start` elements. `start` is inclusive, `end` is exclusive. Negative values also work, e.g. `range(-10, 10)`
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#### `array(len)`
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Creates a new dense array with `len` number of elements, from zero to `len-1`.
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If `len` is unspecified, it defaults to zero (empty array).
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## License
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MIT, see [LICENSE.md](http://github.com/mattdesl/array-range/blob/master/LICENSE.md) for details.
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