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stat_summary_bin(width) of preferred over default width #5970

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Merged
merged 4 commits into from
Aug 28, 2024
Merged

stat_summary_bin(width) of preferred over default width #5970

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262e2be
`stat_summary_bin()` prefers provided `width` over a computed one
teunbrand Jul 3, 2024
73e8194
add test
teunbrand Jul 3, 2024
1b710b3
add news bullet
teunbrand Jul 3, 2024
b46b559
Merge branch 'main' into summy_bin_width
teunbrand Aug 28, 2024
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1 change: 1 addition & 0 deletions NEWS.md
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
# ggplot2 (development version)

* `stat_summary_bin()` no longer ignores `width` parameter (@teunbrand, #4647).
* `stat_bin()` now accepts functions for argument `breaks` (@aijordan, #4561)
* (internal) The plot's layout now has a coord parameter that is used to
prevent setting up identical panel parameters (#5427)
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4 changes: 2 additions & 2 deletions R/stat-summary-bin.R
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Expand Up @@ -74,7 +74,7 @@ StatSummaryBin <- ggproto("StatSummaryBin", Stat,
fun.max = NULL, fun.min = NULL, fun.args = list(),
bins = 30, binwidth = NULL, breaks = NULL,
origin = NULL, right = FALSE, na.rm = FALSE,
flipped_aes = FALSE) {
flipped_aes = FALSE, width = NULL) {
data <- flip_data(data, flipped_aes)
fun <- make_summary_fun(fun.data, fun, fun.max, fun.min, fun.args)
x <- flipped_names(flipped_aes)$x
Expand All @@ -85,7 +85,7 @@ StatSummaryBin <- ggproto("StatSummaryBin", Stat,

locs <- bin_loc(breaks, out$bin)
out$x <- locs$mid
out$width <- if (scales[[x]]$is_discrete()) 0.9 else locs$length
out$width <- width %||% if (scales[[x]]$is_discrete()) 0.9 else locs$length
out$flipped_aes <- flipped_aes
flip_data(out, flipped_aes)
}
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10 changes: 9 additions & 1 deletion tests/testthat/test-stat-summary.R
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Expand Up @@ -40,8 +40,16 @@ test_that("stat_summary(_bin) work with lambda expressions", {

})

test_that("stat_summary_bin takes user's `width` argument (#4647)", {
p <- ggplot(mtcars, aes(mpg, disp)) +
stat_summary_bin(
fun.data = mean_se, na.rm = TRUE,
binwidth = 1, width = 2
)


ld <- layer_data(p)
expect_equal(unique(ld$width), 2)
})

test_that("stat_summary_(2d|hex) work with lambda expressions", {

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