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1. Shard Calculation

Query:

Response:

Calculated Shard: 26 (from laksa173)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa026.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta\')), getAhrefsUnparsedNoserviceFromURL(\'https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta","crawl_time":1775502902,"first_indexed_time":1632369189,"http_code":200,"src_unparsed":"io,stdlib!\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta s443","src_root_hash":"5905336753177504826","history_drop_reason":null,"meta_title":"beta | stats.base | stdlib","meta_descriptions":["Beta distribution."],"attrs_boilerpipe_text":"Beta distribution.\nUsage\nvar\nbeta =\nrequire\n(\n'@stdlib\/stats\/base\/dists\/beta'\n);\nbeta\nBeta\ndistribution.\nvar\ndist = beta;\n\/\/ returns {...}\nThe namespace contains the following distribution functions:\ncdf( x, alpha, beta )\n:\nbeta distribution cumulative distribution function.\nlogcdf( x, alpha, beta )\n:\nbeta distribution logarithm of cumulative distribution function.\nlogpdf( x, alpha, beta )\n:\nbeta distribution logarithm of probability density function (PDF).\nmgf( t, alpha, beta )\n:\nbeta distribution moment-generating function (MGF).\npdf( x, alpha, beta )\n:\nbeta distribution probability density function (PDF).\nquantile( p, alpha, beta )\n:\nbeta distribution quantile function.\nThe namespace contains the following functions for calculating distribution properties:\nentropy( alpha, beta )\n:\nbeta distribution differential entropy.\nkurtosis( alpha, beta )\n:\nbeta distribution excess kurtosis.\nmean( alpha, beta )\n:\nbeta distribution expected value.\nmedian( alpha, beta )\n:\nbeta distribution median.\nmode( alpha, beta )\n:\nbeta distribution mode.\nskewness( alpha, beta )\n:\nbeta distribution skewness.\nstdev( alpha, beta )\n:\nbeta distribution standard deviation.\nvariance( alpha, beta )\n:\nbeta distribution variance.\nThe namespace contains a constructor function for creating a\nbeta\ndistribution object.\nBeta( [alpha, beta] )\n:\nbeta distribution constructor.\nvar\nBeta =\nrequire\n(\n'@stdlib\/stats\/base\/dists\/beta'\n).Beta;\nvar\ndist =\nnew\nBeta(\n2.0\n,\n4.0\n);\nvar\nmu = dist.mean;\n\/\/ returns ~0.333\nExamples\nvar\nobjectKeys =\nrequire\n(\n'@stdlib\/utils\/keys'\n);\nvar\nbeta =\nrequire\n(\n'@stdlib\/stats\/base\/dists\/beta'\n);\nconsole\n.log( objectKeys( beta ) );","attrs_markdown":"Please enable JavaScript in order to run this web application.\n\n[Skip to main content](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta#main) [Skip to search](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta#top-nav-search) [Skip to top navigation](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta#top-nav-package-menu) [Skip to package tree](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta#side-menu-list) [Skip to bottom navigation](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta#bottom-nav)\n\n- [source](https:\/\/github.com\/stdlib-js\/stdlib\/tree\/develop\/lib\/node_modules\/@stdlib\/stats\/base\/dists\/beta \"View source code\")\n- [npm](https:\/\/www.npmjs.com\/package\/@stdlib\/stats-base-dists-beta \"View npm package\")\n\n# Settings\nTheme\n\nDocumentation Mode\n\nPrevious\/Next Package Navigation\n\nExample Code Syntax\n\nEnable saving your preferences as cookies.\n\nIf settings cookies are not enabled, your preferences will be lost upon either refreshing or closing the current browser tab.\n\nYou can delete settings cookies for this site at any time by unchecking this checkbox.\n\nWhen enabled, settings cookies only store setting values and do not store any personally identifiable information.\n\n[Skip to main content](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta#main)[Skip to search](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta#top-nav-search)[Skip to top navigation](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta#top-nav-package-menu)[Skip to package tree](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta#side-menu-list)[Skip to bottom navigation](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta#bottom-nav)\n\n1. [stdlib](https:\/\/stdlib.io\/docs\/api\/latest \"Return to homepage\")\n2. \/[stats](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats)\n3. \/[base](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base)\n4. \/[dists](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists)\n5. \/[beta](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta)\n\n# Beta\n> Beta distribution.\n\n## Usage\n```\nvar beta = require( '@stdlib\/stats\/base\/dists\/beta' );\n```\n#### beta\n[Beta](https:\/\/en.wikipedia.org\/wiki\/Beta_distribution) distribution.\n```\nvar dist = beta;\n\/\/ returns {...}\n```\nThe namespace contains the following distribution functions:\n\n- [`cdf( x, alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/cdf): beta distribution cumulative distribution function.\n- [`logcdf( x, alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/logcdf): beta distribution logarithm of cumulative distribution function.\n- [`logpdf( x, alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/logpdf): beta distribution logarithm of probability density function (PDF).\n- [`mgf( t, alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/mgf): beta distribution moment-generating function (MGF).\n- [`pdf( x, alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/pdf): beta distribution probability density function (PDF).\n- [`quantile( p, alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/quantile): beta distribution quantile function.\n\nThe namespace contains the following functions for calculating distribution properties:\n\n- [`entropy( alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/entropy): beta distribution differential entropy.\n- [`kurtosis( alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/kurtosis): beta distribution excess kurtosis.\n- [`mean( alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/mean): beta distribution expected value.\n- [`median( alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/median): beta distribution median.\n- [`mode( alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/mode): beta distribution mode.\n- [`skewness( alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/skewness): beta distribution skewness.\n- [`stdev( alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/stdev): beta distribution standard deviation.\n- [`variance( alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/variance): beta distribution variance.\n\nThe namespace contains a constructor function for creating a [beta](https:\/\/en.wikipedia.org\/wiki\/Beta_distribution) distribution object.\n\n- [`Beta( [alpha, beta] )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/ctor): beta distribution constructor.\n```\nvar Beta = require( '@stdlib\/stats\/base\/dists\/beta' ).Beta;\nvar dist = new Beta( 2.0, 4.0 );\n\nvar mu = dist.mean;\n\/\/ returns ~0.333\n```\n\n## Examples\n```\nvar objectKeys = require( '@stdlib\/utils\/keys' );\nvar beta = require( '@stdlib\/stats\/base\/dists\/beta' );\n\nconsole.log( objectKeys( beta ) );\n```\n\nPrint this page\n\n[Edit on GitHub](https:\/\/github.com\/stdlib-js\/stdlib\/edit\/develop\/lib\/node_modules\/@stdlib\/stats\/base\/dists\/beta\/README.md)\n\n[Previous« variance(stats, base)](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/bernoulli\/variance \"Previous package\")\n\n[Nextcdf »(stats, base)](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/cdf \"Next package\")\n\n[Sponsor](https:\/\/opencollective.com\/stdlib \"Help support the project\") \/ [Docs](https:\/\/stdlib.io\/docs\/api\/ \"Documentation\") \/ [Blog](https:\/\/blog.stdlib.io\/ \"Read our blog\") \/ [Twitter](https:\/\/twitter.com\/stdlibjs \"Follow us on Twitter!\") \/ [Contribute](https:\/\/github.com\/stdlib-js\/stdlib \"Contribute to stdlib\") \/ [Status](https:\/\/status.stdlib.io\/ \"Status and uptime\")","attrs_readable_markdown":"> Beta distribution.\n\n## Usage\n```\nvar beta = require( '@stdlib\/stats\/base\/dists\/beta' );\n```\n#### beta\n[Beta](https:\/\/en.wikipedia.org\/wiki\/Beta_distribution) distribution.\n```\nvar dist = beta;\n\/\/ returns {...}\n```\nThe namespace contains the following distribution functions:\n\n- [`cdf( x, alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/cdf): beta distribution cumulative distribution function.\n- [`logcdf( x, alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/logcdf): beta distribution logarithm of cumulative distribution function.\n- [`logpdf( x, alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/logpdf): beta distribution logarithm of probability density function (PDF).\n- [`mgf( t, alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/mgf): beta distribution moment-generating function (MGF).\n- [`pdf( x, alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/pdf): beta distribution probability density function (PDF).\n- [`quantile( p, alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/quantile): beta distribution quantile function.\n\nThe namespace contains the following functions for calculating distribution properties:\n\n- [`entropy( alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/entropy): beta distribution differential entropy.\n- [`kurtosis( alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/kurtosis): beta distribution excess kurtosis.\n- [`mean( alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/mean): beta distribution expected value.\n- [`median( alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/median): beta distribution median.\n- [`mode( alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/mode): beta distribution mode.\n- [`skewness( alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/skewness): beta distribution skewness.\n- [`stdev( alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/stdev): beta distribution standard deviation.\n- [`variance( alpha, beta )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/variance): beta distribution variance.\n\nThe namespace contains a constructor function for creating a [beta](https:\/\/en.wikipedia.org\/wiki\/Beta_distribution) distribution object.\n\n- [`Beta( [alpha, beta] )`](https:\/\/stdlib.io\/docs\/api\/latest\/@stdlib\/stats\/base\/dists\/beta\/ctor): beta distribution constructor.\n```\nvar Beta = require( '@stdlib\/stats\/base\/dists\/beta' ).Beta;\nvar dist = new Beta( 2.0, 4.0 );\n\nvar mu = dist.mean;\n\/\/ returns ~0.333\n```\n\n## Examples\n```\nvar objectKeys = require( '@stdlib\/utils\/keys' );\nvar beta = require( '@stdlib\/stats\/base\/dists\/beta' );\n\nconsole.log( objectKeys( beta ) );\n```","meta_canonical":null}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📄

INDEXABLE

✅

CRAWLED

10 days ago

🤖

ROBOTS ALLOWED

Page Info Filters

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.4 months ago
History drop	PASS	`isNull(history_drop_reason)`	No drop reason
Spam/ban	PASS	`fh_dont_index != 1 AND ml_spam_score = 0`	ml_spam_score=0
Canonical	PASS	`meta_canonical IS NULL OR = '' OR = src_unparsed`	Not set

Page Details

Property	Value
URL	https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta
Last Crawled	2026-04-06 19:15:02 (10 days ago)
First Indexed	2021-09-23 03:53:09 (4 years ago)
HTTP Status Code	200
Meta Title	beta \| stats.base \| stdlib
Meta Description	Beta distribution.
Meta Canonical	null
Boilerpipe Text	Beta distribution. Usage var beta = require ( '@stdlib/stats/base/dists/beta' ); beta Beta distribution. var dist = beta; // returns {...} The namespace contains the following distribution functions: cdf( x, alpha, beta ) : beta distribution cumulative distribution function. logcdf( x, alpha, beta ) : beta distribution logarithm of cumulative distribution function. logpdf( x, alpha, beta ) : beta distribution logarithm of probability density function (PDF). mgf( t, alpha, beta ) : beta distribution moment-generating function (MGF). pdf( x, alpha, beta ) : beta distribution probability density function (PDF). quantile( p, alpha, beta ) : beta distribution quantile function. The namespace contains the following functions for calculating distribution properties: entropy( alpha, beta ) : beta distribution differential entropy. kurtosis( alpha, beta ) : beta distribution excess kurtosis. mean( alpha, beta ) : beta distribution expected value. median( alpha, beta ) : beta distribution median. mode( alpha, beta ) : beta distribution mode. skewness( alpha, beta ) : beta distribution skewness. stdev( alpha, beta ) : beta distribution standard deviation. variance( alpha, beta ) : beta distribution variance. The namespace contains a constructor function for creating a beta distribution object. Beta( [alpha, beta] ) : beta distribution constructor. var Beta = require ( '@stdlib/stats/base/dists/beta' ).Beta; var dist = new Beta( 2.0 , 4.0 ); var mu = dist.mean; // returns ~0.333 Examples var objectKeys = require ( '@stdlib/utils/keys' ); var beta = require ( '@stdlib/stats/base/dists/beta' ); console .log( objectKeys( beta ) );
Markdown	Please enable JavaScript in order to run this web application. [Skip to main content](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta#main) [Skip to search](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta#top-nav-search) [Skip to top navigation](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta#top-nav-package-menu) [Skip to package tree](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta#side-menu-list) [Skip to bottom navigation](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta#bottom-nav) - [source](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/@stdlib/stats/base/dists/beta "View source code") - [npm](https://www.npmjs.com/package/@stdlib/stats-base-dists-beta "View npm package") # Settings Theme Documentation Mode Previous/Next Package Navigation Example Code Syntax Enable saving your preferences as cookies. If settings cookies are not enabled, your preferences will be lost upon either refreshing or closing the current browser tab. You can delete settings cookies for this site at any time by unchecking this checkbox. When enabled, settings cookies only store setting values and do not store any personally identifiable information. [Skip to main content](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta#main)[Skip to search](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta#top-nav-search)[Skip to top navigation](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta#top-nav-package-menu)[Skip to package tree](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta#side-menu-list)[Skip to bottom navigation](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta#bottom-nav) 1. [stdlib](https://stdlib.io/docs/api/latest "Return to homepage") 2. /[stats](https://stdlib.io/docs/api/latest/@stdlib/stats) 3. /[base](https://stdlib.io/docs/api/latest/@stdlib/stats/base) 4. /[dists](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists) 5. /[beta](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta) # Beta > Beta distribution. ## Usage ``` var beta = require( '@stdlib/stats/base/dists/beta' ); ``` #### beta [Beta](https://en.wikipedia.org/wiki/Beta_distribution) distribution. ``` var dist = beta; // returns {...} ``` The namespace contains the following distribution functions: - [`cdf( x, alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/cdf): beta distribution cumulative distribution function. - [`logcdf( x, alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/logcdf): beta distribution logarithm of cumulative distribution function. - [`logpdf( x, alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/logpdf): beta distribution logarithm of probability density function (PDF). - [`mgf( t, alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/mgf): beta distribution moment-generating function (MGF). - [`pdf( x, alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/pdf): beta distribution probability density function (PDF). - [`quantile( p, alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/quantile): beta distribution quantile function. The namespace contains the following functions for calculating distribution properties: - [`entropy( alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/entropy): beta distribution differential entropy. - [`kurtosis( alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/kurtosis): beta distribution excess kurtosis. - [`mean( alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/mean): beta distribution expected value. - [`median( alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/median): beta distribution median. - [`mode( alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/mode): beta distribution mode. - [`skewness( alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/skewness): beta distribution skewness. - [`stdev( alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/stdev): beta distribution standard deviation. - [`variance( alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/variance): beta distribution variance. The namespace contains a constructor function for creating a [beta](https://en.wikipedia.org/wiki/Beta_distribution) distribution object. - [`Beta( [alpha, beta] )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/ctor): beta distribution constructor. ``` var Beta = require( '@stdlib/stats/base/dists/beta' ).Beta; var dist = new Beta( 2.0, 4.0 ); var mu = dist.mean; // returns ~0.333 ``` ## Examples ``` var objectKeys = require( '@stdlib/utils/keys' ); var beta = require( '@stdlib/stats/base/dists/beta' ); console.log( objectKeys( beta ) ); ``` Print this page [Edit on GitHub](https://github.com/stdlib-js/stdlib/edit/develop/lib/node_modules/@stdlib/stats/base/dists/beta/README.md) [Previous« variance(stats, base)](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/bernoulli/variance "Previous package") [Nextcdf »(stats, base)](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/cdf "Next package") [Sponsor](https://opencollective.com/stdlib "Help support the project") / [Docs](https://stdlib.io/docs/api/ "Documentation") / [Blog](https://blog.stdlib.io/ "Read our blog") / [Twitter](https://twitter.com/stdlibjs "Follow us on Twitter!") / [Contribute](https://github.com/stdlib-js/stdlib "Contribute to stdlib") / [Status](https://status.stdlib.io/ "Status and uptime")
Readable Markdown	> Beta distribution. ## Usage ``` var beta = require( '@stdlib/stats/base/dists/beta' ); ``` #### beta [Beta](https://en.wikipedia.org/wiki/Beta_distribution) distribution. ``` var dist = beta; // returns {...} ``` The namespace contains the following distribution functions: - [`cdf( x, alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/cdf): beta distribution cumulative distribution function. - [`logcdf( x, alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/logcdf): beta distribution logarithm of cumulative distribution function. - [`logpdf( x, alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/logpdf): beta distribution logarithm of probability density function (PDF). - [`mgf( t, alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/mgf): beta distribution moment-generating function (MGF). - [`pdf( x, alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/pdf): beta distribution probability density function (PDF). - [`quantile( p, alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/quantile): beta distribution quantile function. The namespace contains the following functions for calculating distribution properties: - [`entropy( alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/entropy): beta distribution differential entropy. - [`kurtosis( alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/kurtosis): beta distribution excess kurtosis. - [`mean( alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/mean): beta distribution expected value. - [`median( alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/median): beta distribution median. - [`mode( alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/mode): beta distribution mode. - [`skewness( alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/skewness): beta distribution skewness. - [`stdev( alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/stdev): beta distribution standard deviation. - [`variance( alpha, beta )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/variance): beta distribution variance. The namespace contains a constructor function for creating a [beta](https://en.wikipedia.org/wiki/Beta_distribution) distribution object. - [`Beta( [alpha, beta] )`](https://stdlib.io/docs/api/latest/@stdlib/stats/base/dists/beta/ctor): beta distribution constructor. ``` var Beta = require( '@stdlib/stats/base/dists/beta' ).Beta; var dist = new Beta( 2.0, 4.0 ); var mu = dist.mean; // returns ~0.333 ``` ## Examples ``` var objectKeys = require( '@stdlib/utils/keys' ); var beta = require( '@stdlib/stats/base/dists/beta' ); console.log( objectKeys( beta ) ); ```
Shard	26 (laksa)
Root Hash	5905336753177504826
Unparsed URL	io,stdlib!/docs/api/latest/@stdlib/stats/base/dists/beta s443