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Questions tagged [geom-hline]

59 questions
30
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3 answers

How to produce different geom_vline in different facets in R?

I am trying to produce 2 different geom_vlines with different colours in 2 different facets of a dataset. I am doing this to highlight means of 2 different facets. Here's the dataset: Pclass Sex Age SibSp Parch Fare Cabin Embarked …
Scott Grammilo
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25
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1 answer

How to add a legend to hline?

I'd like to add a legend to hline plot. The head of my subset looks like this Site Date Al 1 Bo6 2014-10-07 152.1 2 Bo1 2014-10-07 157.3 3 Bo3 2014-10-07 207.1 4 Bo4 2014-10-07 184.3 5 Bo5 2014-10-07 23.2 13 Bo6 2014-10-14 …
LucySHE
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5
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3 answers

How to draw a horizontal line and a vertical line that cross at the intersection with the line of a plot with ggplot2?

I made a plot with points connected with a line. In this plot I want to draw a vertical line from a point on the x-axis to the intersection with the plot line.And at the intersection, I want to draw a horizontal line to the Y-axis. I have searched…
Daniel Valencia C.
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5
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3 answers

R ggplot: "cross effect" in legend (not going away with show.legend = NA)

The following code causes an unwanted cross effect in the legend. ggplot() + geom_vline(aes(xintercept=1,colour="vertical"), show.legend = NA) + geom_hline(aes(yintercept=1,colour="horizontal"), show.legend = NA) I read several posts which…
Frank
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3
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1 answer

Add geom_hline to legend

After searching the web both yesterday and today, the only way I get a legend working was to follow the solution by 'Brian Diggs' in this post: Add legend to ggplot2 line plot Which gives me the following code: library(ggplot2) ggplot()+ …
Jesper.Lindberg
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3
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1 answer

Polar plot (ggplot2), outer ring removed, grid on top

I've searched and re-searched through the different questions and although I've seen similar ones (some very helpful indeed) I can't seem to find an answer for this. I'm working with polar plots, by default these plots add an extra outside ring…
Ana Ruiz Frau
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3
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2 answers

ggplot: Add different lines in each facet of geom_bar

This questions is following my previous question: How to ordering bars within all facets? I want to add different lines in each facet of my geom_bar. I used the geom_hline function, but all lines are added in all facets! My code: i <-…
Ph.D.Student
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3
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1 answer

geom_hline or geom_vline does not seem to accept vector for reference line, if called inside a function and facet_grid() is used

I have been facing issue with geom_hline or geom_vline if I call it under custom function and it takes the value from a vector. It seems to work fine until I add facet_grid() within that function body.e.g Without Function c<- data.frame(A =…
Sana Ali
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3 answers

How to avoid the crossing effect in legend with geom_vline() and geom_hline on the same scatter plot?

I created a scatter plot with geom_hline() and geom_vline(), the plot is good but the legend entries are not how I would like to make them appear. The vline (Restauration) and hline (Threshold) are crossing each other in the legend, making it…
Jude
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2
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1 answer

Creating legends for several geom_hlines while using gghighlight

I want to create a legend for my horizontal lines in geom_hline. The data I am using comes from 3 different dataframes. I am also using gghighlight, I believe that it masks any legend. How do I force a legend in that case? The 3 dataframes are: 1)…
cyws
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2 answers

How to pass hex codes to geom_hline in ggplot?

In the code below I create a ggplot, p1, using data from df1. I would like to add a horizontal line at the score value for each item in df2, and colour each line using the corresponing hexcode for each item, contained in column item_hexcode. I…
monkeytennis
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1 answer

Facetting with factorised variables and geom_hline / geom_vline

Consider this code: require(ggplot2) ggplot(data = mtcars) + geom_point(aes(x = drat, y = wt)) + geom_hline(yintercept = 3) + facet_grid(~ cyl) ## works ggplot(data = mtcars) + geom_point(aes(x = drat, y = wt)) + …
tjebo
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3 answers

How do i make an errorbar for a geom_hline using geom_ribbon in ggplot2?

I want to have an error bar for my geom_hline and thought that a geom_ribbon with opacity would look best. but i cant figure out how to make it reach the ends of the plot. I want the geom_ribbon to touch the sides of the plot as the geom_hline does.…
Fponken
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How can I efficiently create a manual legend when using a loop to create multiple geom_hline objects in a facet?

I have scripted the below example to illustrate my question. I wanted to create my own custom legend and colour scheme for each geom_hline I plot. I could achieve this by using this answer Construct a manual legend for a complicated plot. However, I…
DataJack
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1 answer

add different geom_hline to different facet

I have the following code: install.packages("tidyverse") library("tidyverse") data(diamonds) ggplot(data=diamonds)+ geom_point(mapping=aes(x=carat,y=price),color="blue")+ geom_hline(aes(yintercept=max(price)), color="seagreen")+ …
Kiki Liu
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