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Require x *or* y in stat_ydensity() #6645

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Require x *or* y in stat_ydensity() #6645

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d2fd026
populate x/y with 0 if absent
teunbrand Sep 24, 2025
0e12f4a
add news bullet
teunbrand Sep 24, 2025
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4 changes: 2 additions & 2 deletions NEWS.md
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Original file line number Diff line number Diff line change
Expand Up @@ -6,8 +6,8 @@
(@mitchelloharawild, #6609).
* Fixed regression where `scale_{x,y}_*()` threw an error when an expression
object is set to `labels` argument (@yutannihilation, #6617).


* `stat_ydensity()` now only requires the `x` or `y` aesthetic. The other will
be populated with 0, similar to `stat_boxplot()` (@teunbrand, #6600)
* Allow `stat` in `geom_hline`, `geom_vline`, and `geom_abline`. (@sierrajohnson, #6559)

# ggplot2 4.0.0
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8 changes: 7 additions & 1 deletion R/stat-ydensity.R
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Expand Up @@ -4,7 +4,7 @@
#' @export
StatYdensity <- ggproto(
"StatYdensity", Stat,
required_aes = c("x", "y"),
required_aes = "x|y",
non_missing_aes = "weight",

setup_params = function(data, params) {
Expand All @@ -23,6 +23,12 @@ StatYdensity <- ggproto(
params
},

setup_data = function(self, data, params) {
var <- flipped_names(flip = params$flipped_aes)$x
data[[var]] <- data[[var]] %||% 0
data
},

# `draw_quantiles` is here for deprecation repair reasons
extra_params = c("na.rm", "orientation", "draw_quantiles"),

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