In R lattice, I am trying to label predefined groups of rows in a matrix of data with strips. Currently, the length of the strips fail to match the different sizes of the groups as the data representation only allows groups with the same size.
One possibility to solve this might be to suppress the display of
NAs, but I did not find any configuration to realize
this in Lattice.
The example code below shows a matrix (m) with 8 rows and 4 columns.
Group 1 contains row 1-5 and group 2 contains row 6-8. The lattice
output is attached below the code.
Thank you for your time
library(lattice)
m <- matrix(c(1,1,1,0,0,0,0,0,
0,0,1,1,1,0,0,0,
0,0,0,0,1,1,1,0,
0,0,0,0,0,0,1,1),nrow=8,ncol=4)
group1 <- m[1:5,]
group2 <- m[6:nrow(m),]
plotMatrix <- array(dim=c(5,4,2))
dimnames(plotMatrix) <- list(rep("",5), c("a","b","c","d"),c("group1","group2"))
plotMatrix[,,1]<- group1
plotMatrix[1:3,,2] <- group2
trellis.device(device = "pdf",file ="lattice_strips.pdf",width=14,height=10)
print(levelplot(plotMatrix,colorkey=F,xlab="",ylab=""))
dev.off()
lattice_strips.pdf
Description: Adobe PDF document
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