markovchain (version 0.0.9.5)

is.accessible: Verify if a state j is reachable from state i.

Description

This function verifies if a state is reachable from another, i.e., if exists a path that leads to state j leaving from state i with positive probability

Usage

is.accessible(object, from, to)

Arguments

object

A markovchain object.

from

The name of state "i" (beginning state).

to

The name of state "j" (ending state).

Value

• A boolean value.

Details

If wraps and internal function named .commStatesFinder.

References

James Montgomery, University of Madison

See Also

is.irreducible

Examples

statesNames<-c("a","b","c")
markovB<-new("markovchain", states=statesNames, transitionMatrix=
          matrix(c(0.2,0.5,0.3,
                   0,1,0,
                   0.1,0.8,0.1),nrow=3, byrow=TRUE, dimnames=list(statesNames,statesNames)
                 ))
is.accessible(markovB,"a","c")