extFrame

This function works on a basic chance assignment (bca) <code>x</code> defined on a single variable. Iy= t Allows the addition of new values to the frame of discernment.

Using the Theory of Belief Functions for evidence calculus. Basic probability assignments, or mass functions, can be defined on the subsets of a set of possible values and combined. A mass function can be extended to a larger frame. Marginalization, i.e. reduction to a smaller frame can also be done. These features can be combined to analyze small belief networks and take into account situations where information cannot be satisfactorily described by probability distributions.

Peiyuan Zhu

Using the Theory of Belief Functions

Claude Boivin

extFrame function

<dl><dt>x</dt>
<dd>An object of bca class, i.e. a basic chance assignment defined on one variable</dd>
<dt>use_ssnames</dt>
<dd>Default= FALSE. Put TRUE if use of subset names is wanted.</dd>
<dt>lab</dt>
<dd>A character vector containing the names of the elements to add to the frame of discernment.</dd></dl>

Arguments

Author

Extension of the frame of discernment of a variable — extFrame

<dl>

<dt>x</dt>
<dd>An object of bca class, i.e. a basic chance assignment defined on one variable</dd>


<dt>use_ssnames</dt>
<dd>Default= FALSE. Put TRUE if use of subset names is wanted.</dd>


<dt>lab</dt>
<dd>A character vector containing the names of the elements to add to the frame of discernment.</dd>

</dl>

extFrame: Extension of the frame of discernment of a variable

Description

Usage

Value

Arguments

Author

Examples