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library(plyranges) | |
library(readr) | |
bindata <- read_tsv("bindata.40000.hg19.tsv.gz") | |
fire <- read_bed("fire-adult-hg19.txt") | |
# not necessary, but nice to have | |
si <- Seqinfo(genome="hg19") | |
si <- keepStandardChromosomes(si) | |
seqlevels(fire) <- seqlevels(si) | |
seqinfo(fire) <- si | |
x <- bindata |> | |
select(seqnames=chr, end, fracN, fracGC, zooBasesFdr05) |> | |
mutate(width = 40e3) |> | |
as_granges() | |
seqlevels(x) <- seqlevels(si) | |
seqinfo(x) <- si | |
# check expected overlap | |
length(fire) | |
x |> | |
join_overlap_inner(fire) |> | |
length() | |
# filter NAs | |
x <- x |> | |
filter(!is.na(fracGC) & !is.na(zooBasesFdr05)) | |
# don't ask why but this pipe has to be %>% | |
x <- x %>% | |
mutate(fire = count_overlaps(., fire)) | |
table(x$fire) | |
library(ggplot2) | |
library(tibble) | |
library(tidyr) | |
x |> | |
as_tibble() |> | |
pivot_longer(cols=c("fracN","fracGC","zooBasesFdr05")) |> | |
mutate(fire = factor(fire)) |> | |
ggplot(aes(value, fill=fire)) + | |
geom_histogram(aes(y = after_stat(density)), position="dodge") + | |
facet_wrap(~name, scales="free") | |
library(nullranges) | |
set.seed(123) | |
m <- matchRanges(focal = x %>% filter(fire == 1), | |
pool = x %>% filter(fire == 0), | |
covar = ~fracGC) | |
plotCovariate(m) | |
# bad variable naming Mike! | |
y <- bind_ranges( | |
focal = focal(m), | |
matched = matched(m), | |
.id="type" | |
) | |
dat <- y |> | |
as_tibble() |> | |
mutate(fire = factor(fire)) | |
dat |> | |
ggplot(aes(zooBasesFdr05, fill=fire)) + | |
geom_histogram(position="dodge") | |
dat |> | |
filter(zooBasesFdr05 < 5000) |> | |
ggplot(aes(fire, zooBasesFdr05)) + | |
geom_violin() + | |
stat_summary(fun = "mean", | |
geom = "point", | |
colour = "red") | |
zb <- split(dat$zooBasesFdr05, dat$fire) | |
t.test(zb[["0"]], zb[["1"]]) | |
library(lsr) | |
cohensD(zb[["0"]], zb[["1"]]) |
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