import::from(dplyr, rename, mutate)
import::from(plyr, adply)
import::from(data.table, setnames)
import::from(reshape, melt)
import::from(scales, percent)
import::from(stringr, str_replace_all)
import::from(progress, progress_bar)
predCases = function(params, model, predictors) {
params %>%
pspline.inference:::pspline.calc.timeseries(model, predictors, pspline.outbreak.cases)
}
predCum = function(params, model, predictors) {
params %>%
pspline.inference:::pspline.calc.timeseries(model, predictors, pspline.outbreak.cumcases.relative)
}
predThresholds = function(params, model, predictors, seasonThreshold) {
thresholds = params %>%
pspline.inference:::pspline.calc.scalars(model, predictors, pspline.outbreak.thresholds(seasonThreshold, 1 - seasonThreshold)) %>%
adply(1, function(row) {
cases = params[row$pspline.sample,] %>%
t() %>%
pspline.inference:::pspline.calc.timeseries(model, data.frame(time=c(row$onset, row$offset)), pspline.outbreak.cases)
data.frame(onset.cases=cases$cases[1], offset.cases=cases$cases[2]) %>%
cbind(row %>% select(onset, offset))
})
}
aapStrat = function(t) {
as.numeric(t >= 20 & t <= 44)
}
calcFraction = function(model, data) {
totalCases = sum(data$cases)
preventableCases = sum(data$cases[aapStrat(data$time) == 1])
data.frame(preventable=c(preventableCases / totalCases))
}
predFraction = function(params, model, predictors) {
params %>%
pspline.inference:::pspline.calc.scalars(model, predictors, calcFraction)
}
latexPercent = function(...) {
percent(...) %>% str_replace_all("%", "\\\\%")
}
progress_plyr = function(...) {
progress <- list()
list(
init = function(x, ...) {
progress <<- list(count=0, start=Sys.time())
},
step = function() {
progress <<- list(count=progress$count + 1, start=progress$start)
message(sprintf(
"# %d %s (%s each)",
progress$count,
format(difftime(Sys.time(), progress$start)),
format(difftime(Sys.time(), progress$start, units="secs") / progress$count)
))
},
term = function() NULL
)
}
# progress_dplyr = function(...) {
#
# }
assignInNamespace("progress_text", progress_plyr, ns="plyr")
# assignInNamespace("progress_estimated", progress_dplyr, ns="dplyr")
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