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compute-argnanmin

1.0.0 • Public • Published

argnanmin

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Computes the minimum value of an array ignoring non-numeric values and returns the corresponding array indices.

Installation

$ npm install compute-argnanmin

For use in the browser, use browserify.

Usage

To use the module,

var argmin = require( 'compute-argnanmin' );

argmin( arr )

Computes the minimum value of an array ignoring non-numeric values and returns the corresponding array indices.

var data = [ null, 5, NaN, true, 3, 2, 'beep' ];
 
var idx = argmin( data );
// returns [5]

Note: if an input array does not contain any numeric values, the function returns an empty array.

Examples

var argmin = require( 'compute-argnanmin' );
 
// Simulate some data...
var data = new Array( 100 );
for ( var i = 0; i < data.length; i++ ) {
    // Every so often insert a missing value...
    if ( i%10 === 0 ) {
        data[ i ] = null;
    } else {
        data[ i ] = Math.round( Math.random()*100 );
    }
}
var idx = argmin( data );
console.log( idx );

To run the example code from the top-level application directory,

$ node ./examples/index.js

Tests

Unit

Unit tests use the Mocha test framework with Chai assertions. To run the tests, execute the following command in the top-level application directory:

$ make test

All new feature development should have corresponding unit tests to validate correct functionality.

Test Coverage

This repository uses Istanbul as its code coverage tool. To generate a test coverage report, execute the following command in the top-level application directory:

$ make test-cov

Istanbul creates a ./reports/coverage directory. To access an HTML version of the report,

$ make view-cov

License

MIT license.


Copyright

Copyright © 2014. Athan Reines.

install

npm i compute-argnanmin

Downloadsweekly downloads

105

version

1.0.0

license

none

homepage

github.com

repository

Gitgithub

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