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After I use function plot() to get an image, how can I save the image or export it to .gif or other digital formats? Thanks a lot.
Hi, In the following code, I got an error meesage if an input file is empty, and the program stopped running. Could someone to tell me how to handle this problem. I want the program to keep running. Thanks. for...
Hello, I have a problem to handle the following statements. for(i in [1:3]) { file=paste("file", i, ".dat") bb <- read.table(file) x11() plot(bb) dev.off() } When the input .dat file is empty, the program stops running...
I want to get three .gif image files test.1.gif, test.2.gif, & test.3.gif by using a loop. The code I tried is like this: x=c(0, 1, 2, 3, 4) y=c(1, 2, 3...
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