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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136 lines
2.4 KiB
136 lines
2.4 KiB
4 years ago
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# is-answer [](https://www.npmjs.com/package/is-answer) [](https://travis-ci.org/jonschlinkert/is-answer)
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> Returns true if an answer to a prompt is not undefined, null, an empty object, empty array, or a string with zero length.
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## Install
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Install with [npm](https://www.npmjs.com/):
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```sh
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$ npm install is-answer --save
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```
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## Usage
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```js
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var isAnswer = require('is-answer');
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```
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## True
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**if the value is a boolean**
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```js
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isAnswer(true);
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isAnswer(false);
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//=> true
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```
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**if the value is a string**
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```js
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isAnswer('foo');
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//=> true
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```
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**if the value is a number**
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```js
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isAnswer(0);
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isAnswer(1);
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//=> true
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```
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**if the value is an object with values**
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```js
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isAnswer({a: 'b'});
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isAnswer({a: true});
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isAnswer({a: false});
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isAnswer({a: 0});
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//=> true
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```
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**if the value is an array with values**
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```js
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isAnswer(['foo']);
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isAnswer([true]);
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isAnswer([false]);
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isAnswer([0]);
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//=> true
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```
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## False
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**returns false if the value is an empty string**
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```js
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isAnswer('');
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//=> false
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```
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**returns false if the value is an empty object**
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```js
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isAnswer({});
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isAnswer({a: {}});
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isAnswer({a: undefined});
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isAnswer({a: ''});
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isAnswer({a: null});
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isAnswer({a: {b: {}}});
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//=> false
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```
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**returns false if the value is an empty array**
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```js
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isAnswer([]);
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isAnswer([null]);
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isAnswer([undefined]);
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isAnswer([{}]);
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isAnswer(['']);
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//=> false
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```
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## Contributing
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Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/is-answer/issues/new).
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## Building docs
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Generate readme and API documentation with [verb](https://github.com/verbose/verb):
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```sh
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$ npm install verb && npm run docs
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```
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Or, if [verb](https://github.com/verbose/verb) is installed globally:
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```sh
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$ verb
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```
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## Running tests
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Install dev dependencies:
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```sh
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$ npm install -d && npm test
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```
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## Author
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**Jon Schlinkert**
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* [github/jonschlinkert](https://github.com/jonschlinkert)
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* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
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## License
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Copyright © 2016 [Jon Schlinkert](https://github.com/jonschlinkert)
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Released under the [MIT license](https://github.com/jonschlinkert/is-answer/blob/master/LICENSE).
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***
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_This file was generated by [verb](https://github.com/verbose/verb), v0.9.0, on March 11, 2016._
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