Boxplot - how to rotate x-axis labels to 45°?

Hey all,

R-beginner question!

boxplot(disprt, main = "", xlab = "")

My x-axis labels are pretty long, so they or overlap or they are not shown competely in the plot (las=2).
I would like to rotate them to 35° or 45°, so they are not cut off anymore.
Adding par(srt=45)and theme(axis.text.x=element_text(angle=45)) was not successful and I run out of ideas now.

How is it possible to or rotate the labels or to tell R to show them completely?

Thank you!

This should do it,

You have to pass the data to ggplot2. That is what is causing the error.
Here is an example of rotating the x axis text by 45 degrees. The text spacing is not quite right.

disprt <- data.frame(group = rep(c("AAAAAAAA", "BBBBBBBBBB"), 50), distances = rnorm(100))
ggplot(disprt, aes(group, distances)) + geom_boxplot() +
  theme(axis.text.x = element_text(angle = 45, vjust = 1, hjust = 1))

Created on 2020-11-07 by the reprex package (v0.3.0)

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Thank you!

I used las=2 before. Results were vertical labels, which are too long and cut off in the output. Therefore I need to know or how to make 35-45° labels or how to show the whole text of the x-axis labels in the output.
And theme just won't work.
I can't run ggplot either:

disprt <- ggplot(aes(x=group, y=distances)) +

**Error:data must be a data frame, or other object coercible by fortify(), not an S3 object with class uneval
Did you accidentally pass aes() to the data argument?```

Thank you!

I tried to convert my data into a data frame by dis <-
** Error in :
cannot coerce class ‘"betadisper"’ to a data.frame**

It is a dispersion test and plot with vegan.

I have never used the vegan package. Looking at the documentation, you might be able to make a data frame with

DF <- data.frame(group = disprt$group, distances = disprt$distances)

and then use DF in place of disprt in ggplot().

It is possible to rotate the labels in the boxplot() fucntion. I got this code from

boxplot(distances ~ group, data = disprt, pars  =  list(xaxt = "n"))
axis(1, at=c(1,2), labels = FALSE)
text(c(1,2), par("usr")[3] - 1, labels = disprt$group, srt = 45, pos = 1, xpd = TRUE)

YES!!! It worked! Thank you!