two lines in axis title combined with 'substitute' command

Hello,

I want to have the x-axis title of my plot in 2 lines, centered:

experiment 1:
log2(Ratio H/L)

I know that in principle that works with '\n'. However, I am also using the 'substitute' command for my axis title. However, it does not make a new line.

What I have so far:

logbase <- 2
test <- "bait"
cellline <- "cellline"

plot(
log(filteredproteins[["Ratio.H.L.normalized.UW21_FW"]],base=logbase),
-log(filteredproteins[["Ratio.H.L.normalized.UW21_REV"]],base=logbase),
main= substitute("bait = "* bait *" in "*cellline, list(bait=bait, cellline=cellline)),
xlab = substitute(
log[logbase]*
("Ratio H"/"L forward")*
italic("\n experiment 1"),
list(logbase=logbase)
),
ylab = substitute(
log[logbase]*
("Ratio L"/"H reverse")*
italic("\n experiment 2"),
list(logbase=logbase)
),
col="lightblue",
bg="black",
pch=16
)

Thanks for your help!
Nina



The Radboud University Nijmegen Medical Centre is listed in the Commercial Register of the Chamber of Commerce under file number 41055629.


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