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I know that simple line plots showing a point representing the mean + an error bar are difficult in R, but I am clearly missing something. I simply want to show how a the mean and 95% CI of a chemical concentration (y) vary over space (x) under four temperature regimes (T; a categorical factor). plotmeans, in the gplots library, should allow for such a figure, right? After all, it invokes lm()

Alright, going ot ask this question in advance of doing bone headed tests. I have one application that does not understand the idea of /usr/local/ and insists on populating /usr. Of course it is closed source and commercial and it is the one they want to use. Below is the list of junk it shoves in /usr/share. Between the Type Reference guide and another email , I believe I can move this tree

Hi£¬ I found that Tinn-R (Version 2.2.0.2) dose not support R 2.9.0 very well. Maybe, somebody who have solved this problem can help me. Thanks for your attention! [[alternative HTML version deleted]]

Dear R experts, My problem is as follows: Suppose I have a data frame d comprising two variable a<-c(1:10) & b<-c(11:20). I now want to select a subgroup according the values of b. I know if I just want to select, say, b=17, I can use f<-d[d$b==17] and R will give me > f a b 7 7 17 However, if now I want to select a subgroup according to b==e<-c(13,15,17), then the

Hi all, I have an array of shipping_type''s being returned, and I want to see what is in there. In the past I have done: shipping_type.include?(Cart::SHIPPING_TYPE_REGULAR).should be_true This works, but looks really ugly.. It just doesn''t roll of the tongue very well. I then looked up the use of Predicates, which I had been using, but hadn''t realized:

Good morning All, I have a slight issue with apache virtual hosts not working on my newly installed CentOS (4.4). I am very new to Linux, however I have experience with apache etc on 'w1nd0ws'. I've been round and round in the apache conf file and to no avail. Basically if I setup a virtual host the default then looks at it. Also, if I setup multiple virtual hosts they all look at