Erlang distribution (1650 bytes)
1: ...he [[probability density function]] of the Erlang distribution is
5: ...ribution is thus that special case of the [[gamma distribution]] is which the number in the role here called ''n...
7: ...here are two commonly used versions of the Erlang distribution, depending on the traffic assumptions modelled:
9: * Erlang B distribution - Does not allow queuing of blocked calls
10: * Erlang C distribution - Allows Unlimited queuing of blocked calls until...

Erlang (425 bytes)
2: * [[Erlang unit]], a unit to measure telecommunications (or ...
3: * [[Erlang programming language]], a programming language wh...
4: * [[Erlang distribution]], a probability distribution describing waiting times in queuing systems
5: * [[A.K. Erlang]], the mathematician and engineer after whom all ...
6: * [[Erlang Shen]] is a famous Chinese deity.

Erlang Shen (1385 bytes)
1: '''Erlang Shen''' (二郎神), named Yang Ji...

Erlang unit (4375 bytes)
1: ...[[Denmark|Danish]] telephone [[engineer]] [[A. K. Erlang]], the originator of [[queueing theory]].
3: ...oth busy the whole time, that would represent two erlang of traffic.
5: Typically erlang might be used to determine if a system is over- o...
9: Traffic calculations measured in erlang can also be used to calculate [[grade of service]...
11: ... formulae, including Erlang B, Extended Erlang B, Erlang C and a related Engset formula.

Erlang programming language (2909 bytes)
1: '''Erlang''' is a general-purpose [[concurrent programming ...
2: [[runtime]] system. The sequential sub-set of Erlang is a [[functional language]], with [[strict evalu...
4: Named after [[A. K. Erlang]] (sometimes mistaken for as an abbreviation for ...
30: ...ompare function can be used if the order on which Erlang bases its return value (<code>true</code> or <cod...
34: *[[Erlang unit]]

Agner Krarup Erlang (5262 bytes)
1: '''Agner Krarup Erlang''' ([[January 1]], [[1878]]&ndash;[[February 3]],...
3: Erlang was born at [[Lonborg]] (Lønborg), near [[Tarm]],...
9: ...of the [[International Bell Telephone Company]]. Erlang subsequently obtained employment with the company...
11: ...working for the Copenhagen Telephone Company that Erlang was presented with the classic problem of determi...
13: Out of necessity, Erlang was a hands-on researcher. He would conduct his ...

Distribution (12906 bytes)
1: ...]. This article is '''not''' about [[probability distribution]]s.''
4: ...ns are distributions, such as the [[Dirac delta]] distribution.
6: ...hwartz]], who developed a comprehensive theory of distributions.
8: ...ple talk of a "[[probability theory|probability]] distribution" when they just mean "probability [[measure (math...
12: ...nctions" is therefore used as the definition of a distribution.

F-distribution (2781 bytes)
1: ...s ''F'' distribution''' or the '''Fisher-Snedecor distribution''' (after [[Ronald Fisher]] and [[George W. Snede...
3: ...ribution arises as the ratio of two [[chi-squared distribution|chi-squared]] variates:
9: ...1''</sub> and ''U''₂ have [[chi-square distribution]]s with ''d''_''1'' and ''d''<sub>2</su...
13: ... ''F''-distribution arises frequently as the null distribution of a test statistic, especially in [[likelihood-r...
21: The [[cumulative distribution function]] is

Hypergeometric distribution (1846 bytes)
1: ...etric distribution''' is a discrete [[probability distribution]] that describes the number of successes in a seq...
3: ... in which ''D'' are defective. The hypergeometric distribution describes the probability that in a [[Sampling (s...
5: ...andom variable]] ''X'' follows the hypergeometric distribution with parameters ''N'', ''D'' and ''n'', then the ...
13: ...be approximated reasonably well with a [[binomial distribution]] with parameters ''n'' (number of trials) and ''...
22: [[Category:Probability distributions]]

Joint distribution (1536 bytes)
1: ...bution''' of ''X'' and ''Y'' is the [[probability distribution]] of ''X'' and ''Y'' together.
11: ... ''p''_''Y''(''y'') give the [[marginal distribution]]s for ''X'' and ''Y'' respectively.
18: [[Category:Probability distributions]]

Frequency distribution (1514 bytes)
1: ...greement and 5 strong disagreement, the frequency distribution of their responses might look like:
29: ...of differences and similarities between frequency distributions. This assessment involves measures of [[Measures...
31: ...the distribution is more peaked than the [[normal distribution]] it is said to be leptokurtic; if less peaked it...

Gamma distribution (3086 bytes)
1: ...mma distribution''' is a continuous [[probability distribution]].
3: ==Specification of the gamma distribution==
7: ...ng|thumb|300px|Probability density plots of gamma distributions]]
9: The [[probability density function]] of the gamma distribution can be expressed in terms of the [[gamma function...
14: ...ta;'' > 0 is the [[scale parameter]] of the gamma distribution.

Beta distribution (1580 bytes)
1: ...eta distribution''' is a continuous [[probability distribution]] with the [[probability density function]] defin...
15: ...'a'' = 1 and ''b'' = 1, is the standard [[uniform distribution]].
30: [[Category:Probability distributions]]

Distribution (business) (1523 bytes)
1: ...uct management]], [[pricing]], and [[promotion]]. Distribution deals with [[Logistics | logistics]]: how to get ...
2: *What kind of distribution channel to use?
9: *Should distribution be exclusive, selective or extensive?
13: *Should electronic methods of distribution be used?
14: *Are there [[supply chain|physical distribution]] and logistical issues to deal with?

Weibull distribution (2085 bytes)
1: ...[Waloddi Weibull]]) is a continuous [[probability distribution]] with the [[probability density function]]
5: ...nd &lambda; > 0 is the ''scale parameter'' of the distribution.
12: ...n ''k'' = 2) are two special cases of the Weibull distribution.
14: Weibull distributions are often used to model the time until a given t...
15: ...eibull distribution can also be used to model the distribution of wind speeds at a given location on Earth. Agai...

Bernoulli distribution (990 bytes)
1: ... The [[probability mass function]] ''f'' of this distribution is
11: The Bernoulli distribution is a member of the [[exponential family]].
15: [[Category:Probability distributions]]

Electricity distribution (7037 bytes)
1: ...d [[transformers]], low-voltage (less than 1000V) distribution wiring and sometimes [[electricity meter]]s.
7: ...n systems to interconnect generating stations and distribution networks.
10: ... to the grounded neutral. Some city and suburban distribution systems continue to use this range of voltages, b...
12: ...then 11&nbsp;kV (phase to phase), the most common distribution voltage.
14: North American and European power distribution systems also differ in that North American system...

Triangular distribution (1034 bytes)
1: ...ty theory]] and [[statistics]], the '''triangular distribution''' is a continuous
2: [[probability distribution]] with the [[probability density function]] defin...
7: ...'b'' (scale) and ''c'' (shape) are the triangular distribution parameters.
9: The [[cumulative distribution function]] is:
24: [[Category:Probability distributions]]

Conditional distribution (1929 bytes)
1: ...'' (written "''Y'' | ''X''") is the [[probability distribution]] of ''Y'' when ''X'' is known to be a particular...
11: ...''p''_''X''(''x'') gives the [[marginal distribution]] for ''X''.
13: The concept of the conditional distribution of a continuous random variable is not as intuiti...
19: [[Category:Probability distributions]]

Marginal distribution (1480 bytes)
1: ... summing or integrating the [[joint probability]] distribution over ''Y''.
5: ...P''(''X''=''x''|''Y''=''y'') is the [[conditional distribution]] of ''X'' given ''Y''.
9: ...''|''Y''</sub>(''x''|''y'') gives the conditional distribution for ''X'' given ''Y''.
13: See also: [[Conditional distribution]], [[Joint distribution]].
15: [[Category:Probability distributions]]

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