stationary: Stationary Distribution of a Transition Matrix

Description Usage Arguments Value Author(s) Examples

View source: R/C2pop.R

Description

This auxiliary function determines the stationary distribution from a transition matrix.

Usage

1

Arguments

P

a transition matrix, i.e., a square matrix where all rows sum to 1.

Value

the stationary probability vector.

Author(s)

Leonhard Held

Examples

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Cgrouped_norm <- contactmatrix(normalize = TRUE)
Cgrouped_norm
(p <- stationary(Cgrouped_norm))
(Cpowered <- make_powerC(Cgrouped_norm)(1e6))
stopifnot(all.equal(Cpowered[1,], p))

Example output

Loading required package: surveillance
Loading required package: sp
Loading required package: xtable
This is surveillance 1.18.0. For overview typehelp(surveillance).
           contact
participant       00-04      05-14      15-24     25-44     45-64        65+
      00-04 0.209937888 0.12670807 0.10807453 0.3515528 0.1453416 0.05838509
      05-14 0.025072886 0.40524781 0.11137026 0.2804665 0.1323615 0.04548105
      15-24 0.006560450 0.05763824 0.50187441 0.2436739 0.1597938 0.03045923
      25-44 0.031518625 0.08309456 0.14654114 0.4494474 0.2300450 0.05935325
      45-64 0.015728477 0.04304636 0.12086093 0.3249172 0.4139073 0.08153974
      65+   0.009943182 0.04829545 0.04829545 0.2613636 0.3153409 0.31676136
attr(,"agedistri")
     00-04      05-14      15-24      25-44      45-64        65+ 
0.06872587 0.15598456 0.18378378 0.22239382 0.26563707 0.10347490 
     00-04      05-14      15-24      25-44      45-64        65+ 
0.02455060 0.09742126 0.19832517 0.34286189 0.25875186 0.07808922 
           contact
participant     00-04      05-14     15-24     25-44     45-64        65+
      00-04 0.0245506 0.09742126 0.1983252 0.3428619 0.2587519 0.07808922
      05-14 0.0245506 0.09742126 0.1983252 0.3428619 0.2587519 0.07808922
      15-24 0.0245506 0.09742126 0.1983252 0.3428619 0.2587519 0.07808922
      25-44 0.0245506 0.09742126 0.1983252 0.3428619 0.2587519 0.07808922
      45-64 0.0245506 0.09742126 0.1983252 0.3428619 0.2587519 0.07808922
      65+   0.0245506 0.09742126 0.1983252 0.3428619 0.2587519 0.07808922
attr(,"agedistri")
     00-04      05-14      15-24      25-44      45-64        65+ 
0.06872587 0.15598456 0.18378378 0.22239382 0.26563707 0.10347490 

hhh4contacts documentation built on March 20, 2020, 5:07 p.m.