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Susceptible-Exposed-Infected-Recovered-Deceased model (SEIRD)

Usage

ModelSEIRD(
  name,
  prevalence,
  transmission_rate,
  incubation_days,
  recovery_rate,
  death_rate
)

# S3 method for class 'epiworld_seird'
plot(x, main = get_name(x), ...)

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.

incubation_days

Numeric scalar greater than 0. Average number of incubation days.

recovery_rate

Numeric scalar between 0 and 1. Rate of recovery_rate from virus.

death_rate

Numeric scalar between 0 and 1. Rate of death from virus.

x

Object of class SEIRD.

main

Title of the plot

...

Currently ignore.

Value

The plot function returns a plot of the SEIRD model of class epiworld_model.

Details

The initial_states function allows the user to set the initial state of the model. The user must provide a vector of proportions indicating the following values: (1) Proportion of exposed agents who are infected, (2) proportion of non-infected agents already removed, and (3) proportion of non-ifected agents already deceased.

Examples

model_seird <- ModelSEIRD(name = "COVID-19", prevalence = 0.01,
  transmission_rate = 0.9, recovery_rate = 0.1, incubation_days = 4,
  death_rate = 0.01)

# Adding a small world population
agents_smallworld(
  model_seird,
  n = 100000,
  k = 5,
  d = FALSE,
  p = .01
)

# Running and printing
run(model_seird, ndays = 100, seed = 1912)
#> _________________________________________________________________________
#> Running the model...
#> ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| done.
#>  done.
model_seird
#> ________________________________________________________________________________
#> Susceptible-Exposed-Infected-Removed-Deceased (SEIRD)
#> It features 100000 agents, 1 virus(es), and 0 tool(s).
#> The model has 5 states.
#> The final distribution is: 2654 Susceptible, 383 Exposed, 1389 Infected, 87607 Removed, and 7967 Deceased.

plot(model_seird, main = "SEIRD Model")