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Stack divide zero #6341

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merged 3 commits into from
Mar 25, 2025
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Merged

Stack divide zero #6341

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3f9b3fd
avoid dividing by zero
teunbrand Feb 19, 2025
c90b6a3
add news bullet
teunbrand Feb 19, 2025
524f139
Merge branch 'main' into stack_divide_zero
teunbrand Mar 25, 2025
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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)

* `position_fill()` avoids stacking observations of zero (@teunbrand, #6338)
* New `layer(layout)` argument to interact with facets (@teunbrand, #3062)
* New `stat_connect()` to connect points via steps or other shapes
(@teunbrand, #6228)
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5 changes: 4 additions & 1 deletion R/position-stack.R
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Expand Up @@ -224,7 +224,10 @@
heights <- c(0, cumsum(y))

if (fill) {
heights <- heights / abs(heights[length(heights)])
total <- abs(heights[length(heights)])
if (total > sqrt(.Machine$double.eps)) {
heights <- heights / total

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}
}
# We need to preserve ymin/ymax order. If ymax is lower than ymin in input, it should remain that way
if (!is.null(df$ymin) && !is.null(df$ymax)) {
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