Susceptible-Infected-Susceptible model (SIS) (wiki)
Arguments
- name
String. Name of the virus.
- prevalence
Double. Initial proportion of individuals with the virus.
- transmission_rate
Numeric scalar between 0 and 1. Virus's rate of infection.
- recovery_rate
Numeric scalar between 0 and 1. Rate of recovery from virus.
- x
Object of class SIS.
- main
Title of the plot.
- ...
Currently ignore.
Value
The
ModelSIS
function returns a model of class epiworld_model.
The
plot
function returns a plot of the SIS model of class epiworld_model.
See also
epiworld-methods
Other Models:
ModelDiffNet()
,
ModelSEIR()
,
ModelSEIRCONN()
,
ModelSEIRD()
,
ModelSEIRDCONN()
,
ModelSEIRMixing()
,
ModelSIR()
,
ModelSIRCONN()
,
ModelSIRD()
,
ModelSIRDCONN()
,
ModelSIRLogit()
,
ModelSIRMixing()
,
ModelSISD()
,
ModelSURV()
,
epiworld-data
Examples
model_sis <- ModelSIS(name = "COVID-19", prevalence = 0.01,
transmission_rate = 0.9, recovery_rate = 0.1)
# Adding a small world population
agents_smallworld(
model_sis,
n = 1000,
k = 5,
d = FALSE,
p = .01
)
# Running and printing
run(model_sis, ndays = 100, seed = 1912)
#> _________________________________________________________________________
#> Running the model...
#> ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| done.
#> done.
model_sis
#> ________________________________________________________________________________
#> Susceptible-Infected-Susceptible (SIS)
#> It features 1000 agents, 1 virus(es), and 0 tool(s).
#> The model has 2 states.
#> The final distribution is: 99 Susceptible, and 901 Infected.
# Plotting
plot(model_sis, main = "SIS Model")