Ошибка в plot new figure margins too large

I’m new to R but I’ve made numerous correlation plots with smaller data sets. However, when I try to plot a large dataset (2gb+), I can produce the plot just fine, but the legend doesn’t show up. Any advice? or alternatives?

library(gplots)
r.cor <- cor(r)
layout(matrix(c(1,1,1,1,1,1,1,1,2,2), 5, 2, byrow = TRUE))
par(oma=c(5,7,1,1))
cx <- rev(colorpanel(25,"yellow","black","blue"))
leg <- seq(min(r.cor,na.rm=T),max(r.cor,na.rm=T),length=10)
image(r.cor,main="Correlation plot Normal/Tumor data",axes=F,col=cx)
axis(1, at=seq(0,1,length=ncol(r.cor)), labels=dimnames(r.cor)[[2]], 
    cex.axis=0.9,las=2)
axis(2,at=seq(0,1,length=ncol(r.cor)), labels=dimnames(r.cor)[[2]],
     cex.axis=0.9,las=2)
image(as.matrix(leg),col=cx,axes=T)     

Error in plot.new() : figure margins too large

tmp <- round(leg,2)
axis(1,at=seq(0,1,length=length(leg)), labels=tmp,cex.axis=1)

In this article, we will discuss how to fix the “figure margins too large” error in plot.new() function of the R programming language.

The error that one may face in R is:

Error in plot.new() : figure margins too large

The R compiler produces this error when the plot panel of Rstudio is small for the dimensions of the plot that we are trying to create.

When this error might occur:

Consider that want to create a plot using the plot() function in R. The syntax of this function is given below:

Syntax:

plot(start : end)

Parameters:

• start: The starting point ( 1 for (x, y) = (1, 1) etc)
• end: The ending point ( 5 for (x, y) = (5, 5) etc)

Return Type:

Draws dots in a sequence on both x and y axis

Example:

Output:

The R compiler produces the error (you can see the panel window is quite small at the right).

How to fix this error:

There are three ways to fix this error in R:

Method 1: Increasing the size of the panel

One way is to increase the panel size so that it can accommodate the plot across its dimensions:

Output:

Method  2: Using par() function

The par() function in R is used to set the margins of a plot. This function has the following syntax:

Syntax:

 par(mfrow)

Parameter:

mfrow:  It represents a vector with row and column values for the grid

By default a plot has the following margins:

• Top: 4.1 and Bottom: 5.1
• Left: 4.1 and Right: 2.1

We need to explicitly set the margins of the plot as:

Output:

The plot was projected easily in the panel window because we reduced the margin to accommodate the created plot.

Method 3: Turn off the plotting device

If neither of the previous methods was able to fix the error then you can shut down the current plotting device by the following command:

Output:

Last Updated :
28 Mar, 2022

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