[R] write file to date-stamped folder

Hello, I would like to be able to write all files produced on one day to an output directory with that date stamp, or alternatively stamp the date in the filename. So that if i run the same code the next day the files will not be overwritten. here's what i have to start with: baseDir = getwd()

Re: [R] Exclude 0 values from plot

test[test==0]-NA see previous post: http://www.nabble.com/Replacing-0s-with-NA-td23995885.html#a23996183 swertie wrote: Hello, I have a matrix of species abundance with a lot of 0 values. I would like to plot the species abundance vs date, but I don't want that the 0 values appear as