Dear all, I have a binary matrix
0 0 0 0 0 1 1 1 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 1 I want to find the location of all the square and rectangular 1 blocks, like First block in row=2, col=1 to row=3, col=3. Second block in row=5, col=4, to row=6, col=5. How can I find such blocks of 1? Thanks: John ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
