A 'ggplot2' extension that focusses on expanding the plotter's arsenal of guides, such as axes, legends and colour bars. It brings various improvements to existing guides by re-implementation, as well as adding novel guides.
Home Page: https://teunbrand.github.io/gguidance/
License: Other
Hi, I am trying to use this guide_colourbar_cap function, but I cannot find a way to use it in the fill scale, guides(fill = guide_colourbar_cap()) does not work. Could you please share an example, thank you.
> R.version
_
platform x86_64-pc-linux-gnu
arch x86_64
os linux-gnu
system x86_64, linux-gnu
status
major 4
minor 3.2
year 2023
month 10
day 31
svn rev 85441
language R
version.string R version 4.3.2 (2023-10-31)
nickname Eye Holes
> packageVersion("ggplot2")
[1] ‘3.4.4.9000’
I followed the instructions on the README, but I get the following error (I guess because of the specification in the DESCRIPTION file...):
> pak::pak("teunbrand/gguidance@main")
Error:
! error in pak subprocess
Caused by error:
! Could not solve package dependencies:
* teunbrand/gguidance@main: Can't install dependency tidyverse/ggplot2#4879 (>= 3.4.2.9000)
* tidyverse/ggplot2#4879: ! pkgdepends resolution error for tidyverse/ggplot2#4879.
Caused by error:
! no such index at level 5
Type .Last.error to see the more details.
> .Last.error
<callr_error/rlib_error_3_0/rlib_error/error>
Error:
! error in pak subprocess
Caused by error:
! Could not solve package dependencies:
* teunbrand/gguidance@main: Can't install dependency tidyverse/ggplot2#4879 (>= 3.4.2.9000)
* tidyverse/ggplot2#4879: ! pkgdepends resolution error for tidyverse/ggplot2#4879.
Caused by error:
! no such index at level 5
---
Backtrace:
1. pak::pak("teunbrand/gguidance@main")
2. pak::pkg_install(pkg, ...) at pak.R:30:5
3. pak:::remote(function(...) get("pkg_install_make_plan", asNamespace("pak"))(...), … at package.R:76:3
4. err$throw(res$error) at subprocess.R:125:5
---
Subprocess backtrace:
1. base::withCallingHandlers(cli_message = function(msg) { …
2. get("pkg_install_make_plan", asNamespace("pak"))(...)
3. prop$stop_for_solution_error() at package.R:103:3
4. private$plan$stop_for_solve_error()
5. pkgdepends:::pkgplan_stop_for_solve_error(self, private)
6. base::throw(new_error("Could not solve package dependencies:\n", msg, …
7. | base::signalCondition(cond)
8. global (function (e) …
There were 12 warnings (use warnings() to see them)
Basically a guide so that you can put symbols next to axis labels.
library(gguidance)
library(tidyverse)
library(palmerpenguins)
ggplot(mpg, aes(displ, hwy, colour = cty)) +
geom_point() +
labs(
x = "Engine displacement",
y = "Highway miles per gallon",
col = "City miles\nper gallon"
) +
theme(legend.ticks = element_line(colour = "red")) +
guides(colour = guide_coloursteps_custom())
Awesome new package - great work!
Minor thing I noticed was the legends for colour & fill were not merging with guide_custom
library(gguidance)
library(tidyverse)
library(palmerpenguins)
penguins |>
group_by(species) |>
summarise(across(flipper_length_mm, \(x) mean(x, na.rm = TRUE))) |>
ggplot() +
geom_col(
aes(x = flipper_length_mm,
y = species,
colour = flipper_length_mm,
fill = flipper_length_mm)) +
guides(
colour = guide_colourbar_custom(),
fill = guide_colourbar_custom(),
)
I'm discontent with the name of some function that end in the _custom() suffix.
Famously, naming things is one of the harder things to do in programming.
I'd gladly entertain alternative names for these.
Currently, it concerns the following functions:
guide_axis_custom()guide_colourbar_custom()guide_coloursteps_custom()As suggested in teunbrand/ggh4x#87, it might make sense to give minor axis ticks in a separate element.
library(gguidance)
#> Loading required package: ggplot2
library(tidyverse)
library(palmerpenguins)
penguins |>
group_by(species) |>
summarise(across(flipper_length_mm, \(x) mean(x, na.rm = TRUE))) |>
ggplot() +
geom_col(
aes(x = flipper_length_mm,
y = species,
colour = flipper_length_mm)) +
guides(colour = guide_colourbar_custom()) +
theme(legend.key.spacing = NULL)
#> Error in as.unit(e2): object is not coercible to a unitCreated on 2024-04-26 with reprex v2.1.0
library(gguidance)
#> Loading required package: ggplot2
library(tidyverse)
library(palmerpenguins)
penguins |>
ggplot() +
geom_point(
aes(x = flipper_length_mm,
y = species,
colour = flipper_length_mm)) +
guides(
colour = guide_colourbar_custom(),
) +
theme(legend.ticks.length = ggplot2::rel(c(0.15, 0)))
#> Warning: Removed 2 rows containing missing values or values outside the scale range
#> (`geom_point()`).
#> Warning in gizmo_barcap(): Unable to check the capabilities of the png device.
#> Error in n_breaks < 1 || is_blank(element) || length == 0: 'length = 2' in coercion to 'logical(1)'Created on 2024-04-27 with reprex v2.1.0
Excel has really nice support for 'grouped' axes like the following:
Currently a similar effect would be achievable using bracketed ranges, but I wonder if it's worth considering a dedicated feature, e.g. which would allow the user to specify columns to use for the inner/outer axis levels, and perhaps render the results similarly to Excel (instead of simply being an alternative API for bracketed ranges).
Discussion on Fosstodon: https://fosstodon.org/@teunbrand/111839196732828384
Really excited to find out about this package - looks like an amazing addition to the ggplot2 extensions ecosystem :)
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