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Questions tagged [geom-hline]

59 questions
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How to specify geom_hline color AND linetype in ggplot legend?

I'm using hlines to visualize screening level thresholds while displaying four categorical variables and one numeric variable. I want to display both a different linetypes AND color for each threshold hline in the plot and in the legend. I can make…
Beka Stiling
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How to add a label to horizontal line in ggplot 2 when x-axis is date?

I am trying to graph a temperature dataset using mean, max, and min temps by month over 2 years. The graph includes two horizontal temperature thresholds. I have succeeded in creating a graph, but I want to add labels "9.9" and "12.97" to my 2…
steph
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How to add a label to the x / y axis whenever a vertical / horizontal line is added to a ggplot?

The x and y axis are labeled based on certain interval set by ggplot. In the event that a horizontal or vertical line is added to the plot, the goal is to label x or y axis at the exact value of the line. How can this be done?
Bear Bile Farming is Torture
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How to apply a continous color ramp to a straight line in ggplot2?

I have would like to apply a continous color ramp to a vertical line in ggplot2. My plot is below. I have applied the continous color ramp to the geom_line() element, while the horizontal lines represent the limits of the range covered by the color…
ia200
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how to add and edit a legend in goem_hline() in R

I'm trying to add a caption to geom_hline () but I don't know how I can do it. I tried geom_hline (aes (yintercept = 18, 'Historical serie'), size = 1.5, col =" # ffff00 ") but it returns an error. I took 'Historical serie' it worked, but the…
wesleysc352
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How can I add legend to multiple hlines in ggplot2?

Can anyone help me out with some task? I have to add 3 geom_hline() to a plot. One of them is a line that shows the recommended spacing for threes in a forest, and the others are the acceptable upper and lower limits of variation in spacing. To…
caio.valente14
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Plotting vertical/horizontal lines that intersect line graph on ggplot

The following code produces the following plot: time_step <- c(1:5, 1:5) perceived_signal_slow <- c(1:5, cumsum(1:5)) signal_name <-…
codegoblin1996
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Adding a horizontal line to a scatterplot in ggplot2

Following on from this How to add the results of applying a function to an existing data frame? library (tidyverse) library (epitools) # here's my made up data DISEASE = c("Marco Polio","Marco Polio","Marco Polio","Marco Polio","Marco Polio", …
damo
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geom_hline with multiple points and facet_wrap

i am trying to plot horizontal lines at specific points of my data. The idea is that i would like a horizontal line from the first value of equivalent iterations(i.e 0) at y intercept for each of my axis; SA, VLA, HLA. My question will become…
Kostas
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Legend geom_hline not in right order

I've made a barplot in ggplot, and added a couple of lines. What happens is that the color and description of the lines don't correspond: The yellow line should have the description 'Median Member', but is displayed as 'avg Member'. What happens…
Alfred
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Add mean line in the legend based on groups - geom_hline

I would like to add a legend to my plot. The problem I have been struggled with is that I can not display mean line in the legend. Instead I have a point with a line based on the type. What I would like to get in the legend is dots for WT/SHC and…
magruc
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ggplot2 horizontal line with facet_grid boxplot

I have a data frame with 4 variables. I plotted the 4 variables using boxplot and facet_grid(intg~del) D = read.table('data.dat') names(D) = c('size','mut','intg','del') ggplot(D,aes(x=mut,y=size,fill=as.factor(mut))) + geom_boxplot() +…
AWRAM
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R ggplot2 color mapping with geom_hline

I am trying to map color variable to geom_hline, but doesn't seem to work like other geometries. Neither of these work, in each case, rendering a fixed black line. ggplot(data.frame(x=0,y=0,series="ABC"),aes(x,y,color=series))) + geom_point() + …
Nicholas Hamilton
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How to add horizontal lines for different facets in ggplot2

I want to add horizontal line to a facetted barplot using ggplot2. I have two nutrient types, each with a different guideline value I would like to display and I want the plots to appear side by side in a single frame. Data looks like this: Trip …
Lindsey
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Error: object 'i' not found in geom_hline and geom_vline

I want to make a scatter plot with a horizontal and a vertical line. The lines shall appear at the mean of the x and y variable. What I do is: # Some data df <- data.frame(x= rnorm(100), y= rnorm(100)) df$i1 <- mean(df$x) df$i2 <- mean(df$y) #…
LulY
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