[R] For MacBook, best way to do R?

2006-11-13 Thread Mitchell Maltenfort
I'm getting a MacBook and I'd like to stick with OS X rather than
convert it to Linux just yet.

However, my main concern is having decent performance.

What's my best option:

*use the existing binary for R?

*compile R fresh under OS X?

* install Linux and run R under that?

Does anyone have any recent experience they can share?  Thanks!

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Re: [R] Making a case for using R in Academia

2006-11-08 Thread Mitchell Maltenfort
Check http://cran.r-project.org/doc/FAQ/R-FAQ.html#R-and-S and
following links.  R has a 95% overlap with S and S+, and those two are
popular enough that statistics books target them (e.g., Venables and
Ripley).




 I am teaching applied statistics at a small liberal arts college with
 limited resources, and we are currently using SPSS for our courses.
 Mainly the reason for this, as I understand it, is that this is what
 is used out in the real world, or at least this is our perception
 of it. I have only used R for my own stuff for about six months, and
 my training is not in statistics, so I am not very aware of what it
 can do in other disciplines, especially Sociology and Psychology. I
 would like to make a case to the other departments here for using R
 instead, so I was hoping that there might be some resources out there
 that talk about the extend in which R is being used outside of
 academia, or in general any other resources that talk about R as a
 practical alternative to the other non-free statistical packages.
 Perhaps some statistics, or particular examples of use? Any links
 would be greatly appreciated.
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Re: [R] Statitics Textbook - any recommendation?

2006-09-20 Thread Mitchell Maltenfort
Venables and Ripley's Modern Applied Statistics with S was recommended
on the CRAN site, and I like it myself.


On 9/20/06, Iuri Gavronski [EMAIL PROTECTED] wrote:
 I would like to buy a basic statistics book (experimental design,
 sampling, ANOVA, regression, etc.) with examples in R. Or download it
 in PDF or html format.
 I went to the CRAN contributed documentation, but there were only R
 textbooks, that is, textbooks where R is the focus, not the
 statistics. And I would like to find the opposite.
 Other text I am trying to find is multivariate data analysis (EFA,
 cluster, mult regression, MANOVA, etc.) with examples with R.
 Any recommendation?

 Thank you in advance,

 Iuri.

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[R] Any other R users in Philadelphia?

2006-09-16 Thread Mitchell Maltenfort
I'm still new to R and wouldn't mind meeting other R users, at any
level of experience.

Regards,

Mitch Maltenfort
Thomas Jefferson University

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Re: [R] Intro to Programming R Book

2006-08-24 Thread Mitchell Maltenfort
I recently invested in two books: Venables and Ripley Modern Applied
Statistics in S, and Everitt and Rabe Heskith's Analyzing Medical
Data in S-Plus

I think either one is a good self-teaching tool.

On 8/24/06, Raphael Fraser [EMAIL PROTECTED] wrote:
 I am new to R and am looking for a book that can help in learning to
 program in R. I have looked at the R website suggested books but I am
 still not sure which book best suite my needs. I am interesting in
 programming, data manipulation not statistics. Any suggestions?

 Raphael

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[R] How would you run repeated-measures multifactorial MANCOVA?

2006-08-23 Thread Mitchell Maltenfort
OK, now that I've worked through Venebales and Ripley and a few other
sources, I can see more than one way of attacking a problem I expect
to be facing soon: a repeated-measures MANCOVA with more than one
X-factor.

But that got me wondering how the people who've been playing with R
longer than I have would be doing it...and thinking it might be an
interesting topic for discussion on the list.

How would you prefer to do a repeated-measures multifactor MANCOVA in
R?   Is there a way that's particularly good --- or particularly bad?

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[R] Ambitious newbie with some ongoing Q's

2006-08-03 Thread Mitchell Maltenfort
I'm new to the list and I've been playing about with R for some months
now, mostly using the power analysis routines including the pwr
package.

I'm currently looking at a project which will require a
repeated-measures MANCOVA.

I've been reviewing the files available at CRAN, including
http://cran.r-project.org/doc/contrib/Lemon-kickstart/kr_repms.html
and http://tolstoy.newcastle.edu.au/R/help/03b/7663.html which
describe repeated-measures ANOVA

Is making this a repeated-measures MANCOVA as simple as adding a
covariate to the fixed model and then making the Y and covariate
variables matrices?

If not, how do I do it?  Can I do it?

And if I can do it, can I also do a power analysis?  (OK, I'm a greedy
little newbie...)

Thanks in advance.



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