Questions tagged [geom-tile]
86 questions
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vote
1 answer
Merging identical tiles
I use geom_tile() together with geom_text from ggplot2 to generate basically a table:
Two factors (X and Y) are plotted on the x-axis (resulting in two columns of tiles). Levels of factor Y are nested within factor X. Therefore, multiple identical…
empetrum
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1
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1 answer
Multiple heatmaps at once
I am trying to get multiple heatmaps using facet_wrap and geom_tile function, I have 1000 samples.
My objective is to obtain a heatmap for each Parent_Gene that include the "Condition" in the “X” axis, "response value" as a “fill” and the Genes…
onedayatatime
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1
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2 answers
Label or Highlight Specific Rows in ggplot2
I have a great looking geom_tile plot, but I need a way to highlight specific rows or label specific rows based on a binary value.
Here is a small subset of data in wide format and resulting output:
df <- structure(list(bin_level = c(0,1), sequence…
Doda
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1 answer
Adding a Group Label to x-axis in geom_tile()
I'm looking to add an overarching grouping label to variables on the x-axis of geom_tile().
This is similar to the result I'm looking for:
However, the best I can come up with (WITHOUT using geom_text() and manually adding group 1, group 2 and…
aczich
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1 answer
How to use geom_tile to plot factorial variable (photoperiod) behind continuous numeric data (x = time, y = variable)
I am working with time-series data, where at every timepoint, I have many measurements for each of up to 16 subjects, spanning multiple days. I currently have the data organized as tidily as I can - here is a snippet.
> df
# A tibble: 23,844 x 40
…
Chelsea
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1
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1 answer
Remove grey vertical stripes separating samples in geom_tile
Hi My data (data_long) looks like this:
genes sample value Group Type
A1 O7high 6796.448 G0 A
AA O7high 4997.250 G0 A
A3 O7high 9477.100 G0 A
A4 O7high 6083.558 G0 A
A1 08low 075.364 G0 B
AA 08low …
Biofreek
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1
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1 answer
How to plot geom_tile() with offset geom_text() labels indicated using arrows?
I can plot geom_tile()s with labels via geom_text() like so:
library(ggplot2)
df <- structure(list(x = c(1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 1L, 2L,
3L, 4L, 5L, 6L, 7L, 8L),
y = c("A", "A", "A", "A",…
Dunois
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1
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2 answers
R heatmap: assign colors to values
I've found the following R code in the R graph gallery (https://www.r-graph-gallery.com/79-levelplot-with-ggplot2.html) for a heatmap and modified it a little bit:
# Library
library(ggplot2)
set.seed(10)
# Dummy data
x <- LETTERS[1:20]
y <-…
MDStat
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1
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1 answer
Adding the track colors below x-axis using geom_tile
I plotted a matrix using geom_tile. Then, I would like to add the track colors below the x-axis. I ran the following code from the similar topic answer (ggplot Adding Tracking Colors Below X-Axis), but it shows the error "Discrete value supplied to…
marie
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1
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2 answers
Make ggplot2 heatmap with different colors for values over/under thresholds
I want to make a table with cells highlighted according to their value, Perc_Diff in this case. I want values between -100 and +100 to follow a scale_fill_gradient2 pattern (see code below), but values <= -100 to be blue, and values of >= 100 to be…
user8229029
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1
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1 answer
changing the breaks in geom_tile()
I have matrix data and would like to create heat map using geom_tile().
geom_tile() successfully functioned, but the limit of "value" seemed to be lengthout. (For example, over 100 value is the same color breaks) . I would like to compare the result…
marie
- 315
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1
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2 answers
Invert continuous color scale legend in ggplot geom_tile heatmap
Minimal example:
library(ggplot2)
x <- c(1:3)
y <- c(1:3)
data <- expand.grid(X=x, Y=y)
data$Z <- runif(9)
ggplot(data, aes(X, Y, fill=Z)) +
geom_tile()
Produces this:
How do you get the Z scale bar on the right to run from 0 on top to 1 on the…
goweon
- 1,111
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1
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2 answers
Paste mean values on geom_tile plot (ggplot in R)
I am using this code:
library(tidyverse)
library(reshape)
mtcars <- melt(mtcars, id="vs")
mtcars$vs <- as.character(mtcars$vs)
ggplot(mtcars, aes(x=vs, y=variable, fill=value)) +
geom_tile()
How can I paste the mean values as text on…
Sylvia Rodriguez
- 1,203
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1
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1 answer
geom_tile: show tile color if a specific condition meets
I want to show color if a specific condition meets (for example z > 1) and colorless otherwise.
Could you please tell me how to do that?
xp <- c('Disease_1','Disease_2','Disease_3','Disease_4')
xp1 <- xp[1:2]
yp <- c('BCell','TCell')
df <-…
yazdan
- 23
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1
vote
1 answer
Adding zero values where none exists for geom_tile
I'm trying to create a heat map with geom_tile but not all have coordinates have values. Therefore my geom_tile looks like this:
The code to create the image is
library(dplyr)
data(mpg)
mydata <- mpg %>% group_by(manufacturer, cyl) %>%…
spiga
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