# Break Axis of Plot in R (2 Examples)

In this tutorial, I’ll demonstrate how to **cut out a part of the axis of a graphic** in R.

Table of contents:

Let’s jump right to the examples!

## Example Data

The following data will be used as basement for this R tutorial:

x <- 1:100 # Create example data y <- 1:100 |

x <- 1:100 # Create example data y <- 1:100

As you can see, our data consists of two numeric vectors both ranging from 1 to 100.

Now, we can draw our data as shown below:

plot(x, y) # Regular plot of example data |

plot(x, y) # Regular plot of example data

In Figure 1 it is shown that we have plotted a scatterplot of our entire data set.

## Example 1: Break Y-Axis of Plot Using gap.plot() Function of plotrix Package

Example 1 demonstrates how to remove a particular part of the y-axis from our plot.

For this, we can use the functions of the plotrix package. We first have to install and load plotrix:

install.packages("plotrix") # Install & load plotrix library("plotrix") |

install.packages("plotrix") # Install & load plotrix library("plotrix")

Next, we can use the gap.plot function to insert an axis break in our graph:

gap.plot(x, y, # Apply gap.plot function gap = c(10, 50)) |

gap.plot(x, y, # Apply gap.plot function gap = c(10, 50))

As shown in Figure 2, we have managed to create a gap between the values 10 and 50 on the y-axis of our graphic by executing the previous R programming syntax.

## Example 2: Break X-Axis of Plot Using gap.plot() Function of plotrix Package

Example 2 explains how to add a break on the x-axis of our plot.

For this, we have to set the gap.axis argument to be equal to “x”.

gap.plot(x, y, # Apply gap.plot function gap = c(10, 50), gap.axis = "x") |

gap.plot(x, y, # Apply gap.plot function gap = c(10, 50), gap.axis = "x")

As shown in Figure 3, the previously shown R syntax has created a plot with break on the x-axis.

## Video & Further Resources

If you need further info on the content of this article, I recommend having a look at the following video on my YouTube channel. I’m explaining the R code of this article in the video:

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Also, you might want to read the other articles on my website. Some articles are listed here.

- ggplot2 Barplot with Axis Break & Zoom
- Transform ggplot2 Plot Axis to log10 Scale
- Set Axis Limits of Plot
- Draw Plot with Actual Values as Axis Ticks & Labels
- Creating Plots in R
- R Programming Language

In summary: At this point you should know how to **remove the middle of the plot area** in R. Let me know in the comments section, in case you have any further comments or questions.

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