[英]R return corrplot as object
corrplot
plots a correlation matrix, but it does not return a graphical object (grob) corrplot
绘制相关矩阵,但它不返回图形对象(grob)
I would like to plot several correlation matrices on a single page. 我想在一个页面上绘制几个相关矩阵。 For normal plots, I would use
grid.arrange
from the gridExtra
package. 对于普通的情节,我会用
grid.arrange
从gridExtra
包。 However since corrplot only prints and does not return an object, I can't see how to do this. 但是由于corrplot只打印并且没有返回对象,我无法看到如何执行此操作。
Is there a workaround or a better alternative to corrplot
? 对于
corrplot
有解决方法还是更好的替代方案?
The recent gridGraphics
package could probably do what you asked: return the plot as a grob. 最近的
gridGraphics
包可能会按照您的要求执行:将绘图作为gridGraphics
返回。
mat <- matrix(rnorm(100), ncol=10)
library(corrplot)
corrplot(cor(mat))
library(gridGraphics)
grab_grob <- function(){
grid.echo()
grid.grab()
}
g <- grab_grob()
library(gridExtra)
grid.newpage()
grid.arrange(g,g,g,g)
There's the old standby par(mfrow=c(x, y))
where x
is the number of rows you wish to plot and y
the numberof columns. 有旧备用
par(mfrow=c(x, y))
其中x
是你想要绘制的行数, y
是列数。 It then posts across and then down as you call the plots. 然后它会在您调用图表时发布,然后向下发布。
par(mfrow = c(2, 2))
corrplot(cor(mat1))
corrplot(cor(mat2))
corrplot(cor(mat3))
corrplot(cor(mat4))
par(mfrow = c(1, 1)) #To clear layout
Will plot as 将绘图为
Mat1 | Mat2
-----------
Mat3 | Mat4
Not sure if I got your question right, but maybe what you are looking for is simple layout
? 不确定我的问题是否正确,但也许您正在寻找的是简单的
layout
?
mat <- matrix(rnorm(100), ncol=10)
layout(matrix(1:2))
corrplot(cor(mat))
corrplot(cor(mat))
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