Nothing
# nolint start
#' @keywords internal
#' @rawNamespace useDynLib(junctions)
#' @rawNamespace import(Rcpp)
#' @rawNamespace import(nloptr)
#' @rawNamespace importFrom(RcppParallel, RcppParallelLibs)
get_num_markers <- function(markers) {
if (length(markers) == 1) {
num_markers <- abs(markers[1])
if (markers[1] < 0) { # evenly spaced markers
di = 1.0 / (num_markers);
markers <- seq(di, 1 - di, length.out = num_markers)
return(markers)
} else {
markers <- sort(stats::runif(n = num_markers, min = 0, max = 1))
markers <- unique(markers)
return(markers)
}
} else {
if (max(markers) != 1) {
markers <- markers / max(markers)
}
return(markers)
}
}
#' @keywords internal
apply_phasing_error <- function(output,
coverage,
error_rate) {
true_data <- output$results
colnames(true_data) <- c("time", "individual", "location",
"anc_chrom_1", "anc_chrom_2")
true_data <- tibble::as_tibble(true_data)
markers <- unique(true_data$location)
selected_markers <- sort(sample(markers,
size = coverage * length(markers),
replace = F))
phased_data <- true_data[true_data$location %in% selected_markers, ]
for (i in unique(phased_data$individual)) {
focal_indices <- which(phased_data$individual == i)
# select which ones to flip:
sample_size <- stats::rbinom(size = length(focal_indices),
n = 1,
prob = error_rate)
to_flip <- sample(focal_indices,
size = sample_size,
replace = F)
if (length(to_flip) > 0) {
temp <- phased_data$anc_chrom_1[to_flip]
phased_data$anc_chrom_1[to_flip] <- phased_data$anc_chrom_2[to_flip]
phased_data$anc_chrom_2[to_flip] <- temp
}
}
return(list("true_data" = true_data, "phased_data" = phased_data))
}
check_time_points <- function(time_points, max_time) {
within_range <- time_points <= max_time
time_points <- time_points[within_range]
if (length(time_points) < 1) {
warning("all chosen time points were past the simulation time,
chosen to only measure at the last time step")
time_points <- max_time
}
if (length(time_points) == 1) {
if (time_points[[1]] == -1) {
time_points <- seq(0, max_time, by = 1)
}
}
return(time_points)
}
# nolint end
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