Hi All, My doub I think is very simple. I hope it is. So you can again help, guide me.
I´m trying to make a graph (scatter graph) about two variables, imagine I have a watter.txt file with two variables watter and hardness: This code extracted from: http://cran.r-project.org/web/packages/HSAUR/vignettes/Ch_simple_inference.pdf would make a plot similar I want I mean to make an scatterplot with marginal ditribution up and left...(in this case a boxplot on the left and also I omitt the location). layout(matrix(c(2, 0, 1, 3), 2, 2, byrow = TRUE),2 + c(2, 1), c(1, 2), TRUE) plot(mortality ~ hardness, data = water, pch = psymb) abline(lm(mortality ~ hardness, data = water)) legend("topright", legend = levels(water$location), 7 + pch = c(1,2), bty = "n") hist(water$hardness) boxplot(water$mortality) Can anyone explain what is the values in "layout" the inputs I mean, I have read the help but because I´m a begginer I ´m not able to comprehed why they put matrix c(2,0,1,3) and the other inputs? I need if someone can help me an easy example.... Thanks a lot. [[alternative HTML version deleted]]
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