Is there a way to plot circular data with dots inside the circle in R?

Question

I have plotted a circular dot plot in R using the circular package, and I am trying to figure out how to stack the dots inside the circle (instead of outside as shown).

library("circular")

control.circ <- circular(ACT34_radarplot_input, units = "hours", template = "clock24")

# Plot circular dot plot w/ stacked dots

plot.circular(control.circ, stack = TRUE, pch = 20, sep = 0.05, shrink = 1.0, col = "red", main = "Act 34 Significant Genes Phases")

Example of what I have so far

There are ways to do this, but it is dependent on your data structure. Can you edit your question to include the output of dput(ACT34_radarplot_input)? — Allan Cameron
– Allan Cameron, Commented Aug 31, 2022 at 17:11

Allan Cameron · Accepted Answer · 2022-08-31 17:41:42Z

1

I'm not sure this is possible with circular, but it can be done in ggplot with a bit of data manipulation. Although you did not include it in your question, I assume ACT34_radarplot_input is just a vector of numbers between 0 and 24, so we can replicate it like this:

set.seed(1)
ACT34_radarplot_input <- runif(300, 0, 24)

You can reshape and plot this in gpplot as follows:

library(tidyverse)

ACT34_radarplot_input %>% 
  hist(breaks = seq(0, 24, 0.2), plot = FALSE) %>%
  `[`(c(2, 4)) %>%
  as_tibble() %>%
  group_by(mids) %>%
  summarize(y = -seq(counts), .groups = "drop") %>%
  filter(y < 0) %>%
  ggplot(aes(mids, y)) +
  geom_point(col = "red2", size = 3) +
  geom_hline(yintercept = 0) +
  scale_x_continuous(breaks = c(0:24), limits = c(0, 24)) +
  ylim(c(-20, 0)) +
  coord_polar() +
  ggtitle("Act 34 Significant Genes Phases") +
  theme_void() +
  theme(axis.text.x = element_text(size = 16),
        plot.title = element_text(size = 20, hjust = 0.5))

answered Aug 31, 2022 at 17:41

Allan Cameron

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2 Comments

Ellery Vincent Over a year ago

Is there an easy way to have less space between the dots?

M.Viking Over a year ago

Change the size of the points geom_point(col = "red2", size = 2) +

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