dewp3

Probability mass function of the three-parameter EWP

Count regression models for underdispersed small counts (lambda < 20) based on the three-parameter exponentially weighted Poisson distribution of Ridout & Besbeas (2004) <DOI:10.1191/1471082X04st064oa>.

Philipp H Boersch-Supan

An Empirical Model for Underdispersed Count Data

Philipp Boersch-Supan

James Clarke

dewp3 function

<dl><dt>x</dt>
<dd>vector of (positive integer) quantiles.</dd>
<dt>lambda</dt>
<dd>centrality parameter</dd>
<dt>beta1</dt>
<dd>lower-tail dispersion parameter</dd>
<dt>beta2</dt>
<dd>upper tail dispersion parameter</dd>
<dt>sum_limit</dt>
<dd>summation limit for the normalizing factor</dd></dl>

Arguments

Probability mass function of the three-parameter EWP — dewp3

<dl>

<dt>x</dt>
<dd>vector of (positive integer) quantiles.</dd>


<dt>lambda</dt>
<dd>centrality parameter</dd>


<dt>beta1</dt>
<dd>lower-tail dispersion parameter</dd>


<dt>beta2</dt>
<dd>upper tail dispersion parameter</dd>


<dt>sum_limit</dt>
<dd>summation limit for the normalizing factor</dd>

</dl>

dewp3: Probability mass function of the three-parameter EWP

Description

Usage

Value

Arguments