[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 know if there's a way to do it easily without the package Thanks for the help! location plant x a x b x b y b y b y a z a z a into a table like this xy z a 11 2 b 22 0 [[alternative HTML version deleted]] __ 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.
[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 output script, which is currently showing up as small as the dust on my computer screen. I have mac by the way. Thanks for your suggestions. juanita [[alternative HTML version deleted]] __ 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.
[R] Point patterns and igraph
Hi, I have a data set consisting of the x and y coordinate locations of 1600 points. I would like to generate a graph using the functions in igraph. However the graph making functions in igraph requires the data to be in the form of an adjacency matrix. I'd like some advice on how to convert my 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 University Station Stop TX 78712 +1 512 471 5773 -- Juanita Choo Graduate Student Section of Integrative Biology University of Texas at Austin 1 University Station Stop TX 78712 +1 512 471 5773 [[alternative HTML version deleted]] __ 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.
