[英]Putting multiple graphs (ggplot2 and other types) in one plot in R
有沒有一種方法可以將ggplot2與其他類型的圖(survplot,plot等)混合。 我已經嘗試過票和布局,但似乎沒有什么合適的。
謝謝
我在包grid.Extra中使用函數grid.arrange
您尚未提供示例數據,但是如果您將4個圖保存為“ a”,“ b”,“ c”和“ d”,則代碼如下:
grid.arrange(a, b, c, d, nrow=2, ncol=2)
您可以使用“?grid.arrange”來了解有關在繪圖中添加其他內容的更多信息,例如標題,圖像的高度等。
grid.arrange(a, b, c, d, nrow=4), top="YourTitleHere", heights=c(3,1,3,1))
有一個不錯的函數多圖,我在自己的標准庫中總是加載它。 可以用谷歌搜索,但是在這里。
# Multiple plot function
#
# ggplot objects can be passed in ..., or to plotlist (as a list of ggplot objects)
# - cols: Number of columns in layout
# - layout: A matrix specifying the layout. If present, 'cols' is ignored.
#
# If the layout is something like matrix(c(1,2,3,3), nrow=2, byrow=TRUE),
# then plot 1 will go in the upper left, 2 will go in the upper right, and
# 3 will go all the way across the bottom.
#
library(ggplot2)
multiplot <- function(..., plotlist=NULL, file, cols=1, layout=NULL) {
library(grid)
# Make a list from the ... arguments and plotlist
plots <- c(list(...), plotlist)
numPlots = length(plots)
# If layout is NULL, then use 'cols' to determine layout
if (is.null(layout)) {
# Make the panel
# ncol: Number of columns of plots
# nrow: Number of rows needed, calculated from # of cols
layout <- matrix(seq(1, cols * ceiling(numPlots/cols)),
ncol = cols, nrow = ceiling(numPlots/cols))
}
if (numPlots==1) {
print(plots[[1]])
} else {
# Set up the page
grid.newpage()
pushViewport(viewport(layout = grid.layout(nrow(layout), ncol(layout))))
# Make each plot, in the correct location
for (i in 1:numPlots) {
# Get the i,j matrix positions of the regions that contain this subplot
matchidx <- as.data.frame(which(layout == i, arr.ind = TRUE))
print(plots[[i]], vp = viewport(layout.pos.row = matchidx$row,
layout.pos.col = matchidx$col))
}
}
}
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