ggforce
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Published
20 hours ago •
thomasp85
thomasp85
geom_sina fails if all elements from group have same y value
If all values from a group have the same value, geom_sina fails. I would expect it jitter the points horizontally instead.
library(ggplot2)
#> Warning: replacing previous import 'vctrs::data_frame' by 'tibble::data_frame'
#> when loading 'dplyr'
df <- data.frame(species = c("duck", "duck", "duck"), weight = c(1, 1, 1))
df
#> species weight
#> 1 duck 1
#> 2 duck 1
#> 3 duck 1
# geom_sina fails if all elements of a group have the same y value:
ggplot(df, aes(x = species, y = weight)) + ggforce::geom_sina()
#> Warning: Computation failed in `stat_sina()`:
#> `binwidth` must be positive
# the issue is not only with the heuristic for `binwidth`
ggplot(df, aes(x = species, y = weight)) + ggforce::geom_sina(binwidth = 0.1)
#> Warning in regularize.values(x, y, ties, missing(ties), na.rm = na.rm):
#> collapsing to unique 'x' values
#> Warning: Computation failed in `stat_sina()`:
#> need at least two non-NA values to interpolate
#this is how the plot should look like
ggplot(df, aes(x = species, y = weight)) + geom_jitter(width = 1, height =0)
sessioninfo::session_info()
#> ─ Session info ───────────────────────────────────────────────────────────────
#> setting value
#> version R version 4.0.0 (2020-04-24)
#> os CentOS Linux 7 (Core)
#> system x86_64, linux-gnu
#> ui X11
#> language (EN)
#> collate en_US.UTF-8
#> ctype en_US.UTF-8
#> tz Europe/Berlin
#> date 2020-09-01
#>
#> ─ Packages ───────────────────────────────────────────────────────────────────
#> package * version date lib source
#> assertthat 0.2.1 2019-03-21 [1] CRAN (R 4.0.0)
#> cli 2.0.2 2020-02-28 [1] CRAN (R 4.0.0)
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#> ggforce 0.3.2.9000 2020-09-01 [1] Github (thomasp85/ggforce@bf866a1)
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#>
#> [1] /home/gleixner/R/x86_64-pc-linux-gnu-library/4.0.0
#> [2] /software/r/4.0.0/lib64/R/library
Created on 2020-09-01 by the reprex package (v0.3.0)
