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Report domains for several transformations #394

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merged 3 commits into from
Nov 1, 2023
Merged

Report domains for several transformations #394

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4cac736
Add domains
teunbrand Jul 25, 2023
1ae51df
Merge branch 'main' into trans_domains
teunbrand Nov 1, 2023
5d0a5d9
domain for log1p
teunbrand Nov 1, 2023
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13 changes: 9 additions & 4 deletions R/trans-numeric.R
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,8 @@ asn_trans <- function() {
trans_new(
"asn",
function(x) 2 * asin(sqrt(x)),
function(x) sin(x / 2)^2
function(x) sin(x / 2)^2,
domain = c(0, 1)
)
}

Expand Down Expand Up @@ -89,7 +90,7 @@ boxcox_trans <- function(p, offset = 0) {
}

trans_new(
paste0("pow-", format(p)), trans, inv
paste0("pow-", format(p)), trans, inv, domain = c(0, Inf)
)
}

Expand Down Expand Up @@ -246,7 +247,10 @@ log2_trans <- function() {
#' @rdname log_trans
#' @export
log1p_trans <- function() {
trans_new("log1p", "log1p", "expm1")
trans_new(
"log1p", "log1p", "expm1",
domain = c(-1 + .Machine$double.eps, Inf)
)
}

#' @rdname log_trans
Expand Down Expand Up @@ -277,7 +281,8 @@ probability_trans <- function(distribution, ...) {
trans_new(
paste0("prob-", distribution),
function(x) qfun(x, ...),
function(x) pfun(x, ...)
function(x) pfun(x, ...),
domain = c(0, 1)
)
}
#' @export
Expand Down
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