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@stdlib/dist-stats-base-dists-flat

Distributions

Statistical distribution functions.

Usage

var base = require( '@stdlib/dist-stats-base-dists-flat' ).base;

base.dists.<name>

Provides an interface to the distribution aliased according to name. Supported distributions may be determined by inspecting the enumerable property list

var objectKeys = require( '@stdib/utils/keys' );

var props = objectKeys( base );
// returns [ ... ]

For example, to use to the probability density function for a normal distribution,

var y = base.dists.normal.pdf( 0.5, 0.0, 1.0 );
// returns <number>

To discover supported arguments for each exposed distribution, consult the documentation for the individual distributions.

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Notes

• This package contains bundles exposing a flat namespace. A flat namespace uses the global alias namespace, where each package has a unique alias (e.g., base.dists.normal.pdf).

• Note that functions elide argument validation and error handling, so use these functions with care. Their use can be beneficial in performance sensitive contexts where argument types and formats are known and tested in advance.

• This package contains distributable files for use in browser environments or as shared ("vendored") libraries in server environments. Each distributable file is a standalone UMD bundle which, if no recognized module system is present, will expose bundle contents to the global scope.

• Each minified bundle has a corresponding gzip-compressed bundle. The gzip compression level for each compressed bundle is 9, which is the highest (and most optimal) compression level. Deciding between uncompressed and compressed bundles depends on the application and whether compression is handled elsewhere in the application stack (e.g., nginx, CDN, et cetera).

• While you are strongly encouraged to vendor bundles and host with a CDN/provider which can provide availability guarantees, especially for production applications, bundles are available via unpkg for quick demos, proof-of-concepts, and instructional material. For example,

  <script type="text/javascript" src="https://unpkg.com/@stdlib/dist-stats-base-dists-flat"></script>

  Please be mindful that unpkg is a free, best-effort service relying on donated infrastructure which does not provide any availability guarantees. Under no circumstances should you abuse or misuse the service. You have been warned.

• If you intend on embedding a standalone bundle within another bundle, you may need to rename require calls within the standalone bundle before bundling in order to maintain scoped module resolution. For example, if you plan on using browserify to generate a bundle containing embedded bundles, browserify plugins exist to "de-require" those bundles prior to bundling.

• The bundles in this package contain the following stdlib packages:

  • @stdlib/stats/base/dists/*

---

Examples

var base = require( '@stdlib/dist-stats-base-dists-flat' ).base;

var y = base.dists.normal.pdf( 0.5, 0.0, 1.0 );
console.log( y );

To include the bundle in a webpage,

<script type="text/javascript" src="/path/to/@stdlib/dist-stats-base-dists-flat/build/bundle.min.js"></script>

If no recognized module system is present, access bundle contents via the global scope.

<script type="text/javascript">
    // If no recognized module system present, exposed to global scope:
    var pdf = stdlib_stats_base_dists_flat.dists.normal.pdf;
    console.log( pdf( 0.5, 0.0, 1.0 ) );
</script>