Description Usage Arguments Value Examples
Given a population with a clinical incidence survival curve and ages, returns random draws of their ages at incidence
1 2 | sim_clinical_incidence(popdata, bootrows, incidence,
results_as_matrix = FALSE)
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popdata |
Data frame where individuals are rows, with columns birth_year, age, and male, OR a list of data frames that allow build_simpop() to construct this |
bootrows |
Matrix or data frame of row indicators that can be applied to the data to recover different bootstraps of the data. Each column is a different bootstrap of thedata. OR, list of data frames with these row indicators for use with build_simpop() |
incidence |
Matrix/df with columns 'age' and 'cumsurv' |
results_as_matrix |
Convert the results from a data frame to a matrix? |
Data frame or matrix of ages at clinical incidence, capped at age 121. Age at incidence will always be after age at entry.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | # Prepare incidence data
library(bcimodel)
data(incratesf)
inc <- interpolate_cumsurv(incratesf,
ratevar='Female.Rate.Per.100K',
country='Uganda',
maxage=100)
# Example 1: use the list approach
# Simple age distribution
ages <- data.frame(age=c(20,30,40), prop=c(0.2, 0.5, 0.3))
# Simulate a population of size 10 twice, using these proportions and the row IDs
sim.age.rows <- sim_multinom(nsims=10, 2, ages$prop, names=1:nrow(ages))
# Now specify they're all female
sex <- data.frame(male=0, prop=1)
sim.sex.rows <- matrix(1, nrow=10, ncol=2)
# Create the lists
poplist <- list(sex, ages)
rowlist <- list(sim.sex.rows, sim.age.rows)
# Get ages at clinical incidence
incage <- sim_clinical_incidence(poplist, rowlist, inc)
# Example 2
# Alternatively, pass a population in data frame form and just use its normal rows
# Use build_simpop and the 2nd simulation's row IDs
pop <- build_simpop(poplist, rowlist, sim=2)[,c('male', 'age')]
poprows <- replicate(2, 1:nrow(pop))
incage <- sim_clinical_incidence(pop, poprows, inc)
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