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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Map-range/R/map-range.r Normal file
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@ -0,0 +1,9 @@
tRange <- function(aRange, bRange, s)
{
#Guard clauses. We could write some proper error messages, but this is all we really need.
stopifnot(length(aRange) == 2, length(bRange) == 2,
is.numeric(aRange), is.numeric(bRange), is.numeric(s),
s >= aRange[1], s <= aRange[2])
bRange[1] + ((s - aRange[1]) * (bRange[2] - bRange[1])) / (aRange[2] - aRange[1])
}
data.frame(s = 0:10, t = sapply(0:10, tRange, aRange = c(0, 10), bRange = c(-1, 0)))