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geom_hex fails when filled with a continuous variable #967

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richierocks opened this issue May 22, 2014 · 3 comments
Closed

geom_hex fails when filled with a continuous variable #967

richierocks opened this issue May 22, 2014 · 3 comments

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@richierocks
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@richierocks richierocks commented May 22, 2014

To reproduce, try:

d <- ggplot(diamonds, aes(carat, price))
d + geom_hex(aes(fill = depth))
## Error in unit(tic_pos.c, "mm") : 'x' and 'units' must have length > 0

Here's the stack trace using options(error = recover):

1: print(list(data = list(carat = c(0.23, 0.21, 0.23, 0.29, 0.31, 0.24, 0.24, 
2: print.ggplot(list(data = list(carat = c(0.23, 0.21, 0.23, 0.29, 0.31, 0.24,
3: plot-render.r#185: ggplot_gtable(data)
4: plot-render.r#82: build_guides(plot$scales, plot$layers, plot$mapping, posi
5: guides-.r#129: guides_gengrob(gdefs, theme)
6: guides-.r#220: lapply(gdefs, guide_gengrob, theme)
7: FUN(X[[1]], ...)
8: guides-.r#291: guide_gengrob.colorbar(X[[1]], ...)
9: guide-colorbar.r#265: unit(tic_pos.c, "mm")
@hadley hadley closed this in a6e045e Jun 15, 2015
@hadley
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@hadley hadley commented Jun 15, 2015

This no longer fails - it probably doesn't do what you want, but makes sense as a consequence of the default grouping rules, and the inability to stack/dodge hexagons.

ggplot(mpg, aes(class, fill = hwy)) + 
  geom_bar()
ggplot(mpg, aes(class, fill = hwy, group = hwy)) + 
  geom_bar()

@mplourde
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@mplourde mplourde commented Aug 19, 2015

richierocks example still fails, but an alternative method is presented here

@hadley
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@hadley hadley commented Aug 19, 2015

@mplourde example works for me. You probably need the dev version.

@lock lock bot locked as resolved and limited conversation to collaborators Jun 19, 2018
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3 participants