[R] pivoting - summing up factors

Hi I would like to know how to pivot a table that will sum the number of plants (a or b) for each location (x,y,z) I have read on the listserve similar questions but which involve summing up numbers rather than factors. I have also read about the R package reshape on the listserve but wanted to

[R] miniscule font size on R console output

Hi, I am having a situation where I cannot change the output size of the R console. I have played around with the font format menu but the changes are only reflected to the script that I type in but not to the output. Everytime I run a script, I have to go back to font format to increase the

[R] Point patterns and igraph

point pattern to an adjacency matrix or functions out there that would do it directly. I've only gotten as far as obtaining the distance matrix using dist(). Thanks for the help. Best, Juanita -- Juanita Choo Graduate Student Section of Integrative Biology University of Texas at Austin 1