[R] data frames, na.omit, and sums

2005-12-04 Thread Jason Miller
for reading this far into this post. If you have any suggestions for how I can get na.omit() and summing to work for me, I'd appreciate hearing from you. Jason Miller Jason E. Miller, Ph.D. Associate Professor of Mathematics Truman

[R] plot and factors

2005-12-02 Thread Jason Miller
Read R-helpers, I'm relatively new to R and trying to jump in feet first. I've been able to learn a lot from on-line and printed documentation, but here's one question to which I can't find an answer. Well, it's a question with a couple parts. Thanks in advance for any direction

[R] discriminant function analysis in R

2005-03-29 Thread Jason Miller
Dear R Users, I'm very very interested in learning how to use R to carry out a classification of data using discriminant function analysis. I've found the MASS package and the lda function, but the examples in the help system are a bit over my head. I'm not exactly sure how to interpret the

Re: [R] OS X, exporting graphics, postscript()

2005-03-25 Thread Jason Miller
the same data? Are you remembering to use dev.off() after the graphics commands are complete? -Don At 2:48 PM -0600 3/24/05, Jason Miller wrote: Hello everyone, I am new to R, using version 2.0.1 on a Macintosh running OS X 10.3. I am learning how to export graphics to postscript format using

[R] OS X, exporting graphics, postscript()

2005-03-24 Thread Jason Miller
Hello everyone, I am new to R, using version 2.0.1 on a Macintosh running OS X 10.3. I am learning how to export graphics to postscript format using the postscript() function, but R is only writing empty files. Yesterday, postscript() was working for me. Today, I don't know what's wrong.