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...easy and low-overhead way to guarantee order? Or would I need to have some type of collection object that uses arrays instead of the property-value configuration that Hash uses? Here is an example object similar to the one I want to sort: var foodsByLetter = { ''B'': [''broccoli'', ''bread''], ''C'': [''carrots'', ''celery''], ''A'': [''alfalfa sprouts'', ''apple''] }; Then I want to sort by the object''s keys so I can create a nested list: &...

...ems labeling the points. However, I've been really struggling to change the color of the points based on a factor (see 'group' below). Is such a thing possible? My data look like this: food group x y z apple fruit 0.216 -0.112 -0.893 orange fruit 0.814 0.097 0.460 broccoli veg -0.239 0.240 -0.425 banana fruit 0.222 0.968 -0.050 parsnip veg 0.139 0.897 0.378 garlic veg -0.104 0.510 -0.400 pca <- read.table(... p3d<- plot3d(pca$x, pca$y, pca$z, xlab="Component 1", ylab="Component 2", zlab="Component 3", col="blue&...

I have a data frame with three columns, one coded as a factor. I would like to separate my data out into separate data frames according to the factor level. Below is a simple example to illustrate. I can get R to return the data in the correct format but cannot work out how to get separate data frames. I am a newcommer to programming in R so am not sure what I am missing! Thanks, Emily

As of a moment ago (9 a.m., Monday, Jan. 8, 2001), the S Programming book by Venables and Ripley was once again selling for 17.98 American dollars at Amazon.com. Alas, I notice that "Mixed Effects Models in S and S-Plus" by Pinheiro and Bates now lists at Amazon for 97.25 American dollars, as opposed to about $70 a little while ago.

Hi! Why is Ogg Vorbis better than mp3? Which basic technologies has Ogg Vorbis, that f.ex. lame doesn't have? Ogg Vorbis has a different psycho model than mp3, but what is the names of these models and what is the differences? Which advantages have Ogg Vorbis, that cant be implemented in mp3/lame due to compability reasons? <p>Thanks in advance! <p><p>--- >8 ---- List

While talking about my RailsConf presentation with Ben Wiseley, he suggested writing a book on the same topic... so I did! The Money Train is an e-book about building e-commerce sites using Ruby on Rails. Read my blog entry about it at http://www.bencurtis.com/archives/ 2006/06/rails-e-commerce-e-book/ or head to http:// www.agilewebdevelopment.com/book to dive right in. As always, a big

Hey guys, thx for talking your time to answer this post, i much appreciate it. 1. is dev in rails under windows a great idea.i can think of 10000 reasons, i know, bu i can;t install linux on my PC, for now at least. the compamy that i am working for wants me to install all of the programs i need to develop a free lancer site, like this one http://www.bestjobs.ro/(if u look at the right upper