search for: raterwil

...g for packages at CRAN? -- Robert Terwilliger Biomedical Physicist Laboratory of Neurocognitive Development Western Psychiatric Institute and Clinic University of Pittsburgh Medical Center Loeffler Building 121 Meyran Avenue #114 Pittsburgh, PA 15213 412.383.8174 - Office 412.383.8179 - Fax em: raterwil at gmail.com http://www.wpic.pitt.edu/research/lncd/

I would like to 'bin' a vector of of values (>100000 values) in much the same way as 'hist' does for plotting, but I just want a result with the bins and the frequencies. Is there a 'quick and dirty' (built-in) way to do this, or do I need to write some code? Many thanks, Robert Terwilliger

Dear R Help, At the risk of sounding na?ve, is there a way for obtaining something resembling an r^2 value for the fit obtained using SSasymp? I have read ?SSasymp and looked through the archives but to no avail. Many thanks, Robert Terwilliger

Dear R Experts, I am using R.app (the Mac OS X binary) for neuroimage analysis, so I am loading in some large image files. I get the following error in the middle of my script: > source("3dLME.R") Read 1 record Read 1 record Read 1 record Read 1 record Read 1 record Error: cannot allocate vector of size 3.1 Gb R(2081,0xa000d000) malloc: *** vm_allocate(size=3321675776) failed (error

Dear R Help, I am attempting to make a plot of longitudinal data, a sample data frame of which is shown below. I'd like to show all of the subjects in the same plot, with a set of connecting line segments for each subject. 'age' would be the x-axis and 'score' would be the y-axis. subject age score 1 10123 12 51.06 2 10123 14 50.00 3 10123 15 62.22 4