triblik

Calculates the log-likelihood for the Diggle-Rowlingson raised incidence model.

spatial

The Splancs package was written as an enhancement to S-Plus for display and analysis of spatial point pattern data; it has been ported to R and is in "maintenance mode".

Roger Bivand

splancs

Spatial and Space-Time Point Pattern Analysis

Barry Rowlingson

Peter Diggle

Giovanni Petris

Stephen Eglen

triblik function

<dl><dt>ccflag</dt>
<dd>Case-control flag : a vector of ones and zeroes.</dd><dt>vars</dt>
<dd>A matrix where <code>vars[i,j]</code> is the distance squared from point <code>i</code> 
to source <code>j</code>.</dd><dt>alphas</dt>
<dd>The <code>alpha</code> parameters.</dd><dt>betas</dt>
<dd>The <code>beta</code> parameters.</dd><dt>rho</dt>
<dd>The <code>rho</code> parameter.</dd><dt>which</dt>
<dd>Defines the mapping from sources to parameters.</dd><dt>covars</dt>
<dd>A matrix of covariates to be modelled as log-linear terms. The element 
<code>covars[i,j]</code> is the value of covariate <code>j</code> for case/control <code>i</code>.</dd><dt>thetas</dt>
<dd>The covariate parameters.</dd>
</dl>

Arguments

Log-likelihood for the Diggle-Rowlingson raised incidence model — triblik

<dl>

<dt>ccflag</dt>
<dd>Case-control flag : a vector of ones and zeroes.</dd>

<dt>vars</dt>
<dd>A matrix where <code>vars[i,j]</code> is the distance squared from point <code>i</code> 
to source <code>j</code>.</dd>

<dt>alphas</dt>
<dd>The <code>alpha</code> parameters.</dd>

<dt>betas</dt>
<dd>The <code>beta</code> parameters.</dd>

<dt>rho</dt>
<dd>The <code>rho</code> parameter.</dd>

<dt>which</dt>
<dd>Defines the mapping from sources to parameters.</dd>

<dt>covars</dt>
<dd>A matrix of covariates to be modelled as log-linear terms. The element 
<code>covars[i,j]</code> is the value of covariate <code>j</code> for case/control <code>i</code>.</dd>

<dt>thetas</dt>
<dd>The covariate parameters.</dd>
</dl>

triblik: Log-likelihood for the Diggle-Rowlingson raised incidence model

Description

Usage

Value

Arguments

References

See Also