devtools::load_all()
library(dplyr)
library(ggplot2)
library(patchwork)
## sim settings
start_date <- "2020-02-01"
end_date <- "2020-06-01"
time_pars <- data.frame(Date=c(start_date, "2020-03-01"),
Symbol="vax_doses_per_day",
Relative_value = c(0, 1.5e5))
## params
## set up vax params
vax_doses_per_day <- 1
## initialize params
base_params <- update(read_params("PHAC.csv")
, N = 1.4e7
)
vax_params <- update(expand_params_vax(base_params,
vax_doses_per_day = vax_doses_per_day))
## initialize states
vax_state <- make_state(params = vax_params)
res_vax <- run_sim(vax_params, vax_state,
start_date = start_date, end_date = end_date,
params_timevar = time_pars,
step_args = list(do_hazard = TRUE),
condense_args = list(keep_all = TRUE))
p1 <- ggplot(res_vax, aes(x = date, y = report)) + geom_point()
p2 <- (ggplot(get_doses_per_day(res_vax),
aes(x = date, y = total_doses_per_day))
+ geom_point()
+ geom_vline(aes(xintercept = as.Date(time_pars$Date[2])),
linetype = "dashed",
colour = "grey60")
+ annotate("text",
x = as.Date(time_pars$Date[2])-8,
y = 0.5*time_pars$Relative_value[2],
angle = 90,
colour = "grey60",
label = paste0("vaccination starts\nat rate of\n",
format(time_pars$Relative_value[2], scientific = FALSE, big.mark = ","), " doses/day"))
)
ggsave(filename = "git_push/demo_vaccination_switch.png",
plot = (p1 / p2))
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