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Dear R users. I'm trying to avoid using nested loops in the following code but I'm not sure how to proceed. Any help would be greatly appreciated. With regards,Phil X = matrix(rnorm(100), 10, 10) ## Version with nested loopsresult = 0 for(m in 1:nrow(X)){ for(n in 1:ncol(X)){ if(X[m,n] != 0){ result = result + (X[m,n] / (1 + abs(m - n))) } }} ## No loop-sum(ifelse(M

Hi all. I'm ploting a raster and I can't find the proper way to move the legend. For example, r = raster(system.file("external/test.grd", package="raster"))plot(r) How can I put the legend at the desired position? Thank in advance,Phil [[alternative HTML version deleted]]

Dear R users. I'm new with layout and I can't figure how to teak my graphs. I have the following code: layout(matrix(c(1,2,3), 3, 1, byrow = TRUE), heights=c(0.3,0.3,0.6)) boxplot(rnorm(100), horizontal=TRUE, axes=FALSE) boxplot(rnorm(100), horizontal=TRUE, axes=FALSE) hist(rnorm(100)) Is it possible to have the two horizontal boxplot closer to each other? With regards, Phil

Hi everyone. I'm trying to create a graph where I could plot some lines on the right side. Here an example: layout(matrix(c(1,2), 1, 2, byrow = TRUE), widths=c(6,2), heights=c(1,1)) x = 1:100y = rnorm(x)+xplot(x,y) reg = lm(y~x)abline(reg, col = "red") plot(1, type="n", axes=F, xlab="", ylab="", xlim = c(-1,1), ylim = c(min(y),