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I''d like to try autocompletion, and my understanding based on AWDWR:2, and on various website tutorials, is that I should install the script.aculos.us javascript library. My question is how to do that. The instructions on their site tell me to "Put prototype.js, scriptaculous.js, builder.js, effects.js, dragdrop.js, slider.js and controls.js in a directory of your website,

I have a comma-separated data file in which trailing commas sometimes occur. I am using strsplit to extract the data from this file, and it seems great except in cases with trailing comma characters. The example below illustrates. What I'd like is to get a fourth element in the answer, being an empty string just like the second element. Is there a way I can express my patter (or perhaps

Is there a style guide for RoR? For example, I see that rails likes to create things like <% ... %> <% ... %> <% ... %> and I''m tempted to write this as <% ... ... ... %> but I''m not sure if doing so will make my code "look wrong". Since I''m a beginner, I''d like to get into the habit of writing code that has a conventional

#QUESTION# Is there a way to calculate the offset between timezones, e.g. from "AST" to "GMT"? #DETAILS# I am working with data files that use local time, and that indicate the timezone by e.g. "AST" (Atlantic Standard Time, my local time) in a header. I was guessing that > ISOdatetime(2008,1,1,1,0,0,tz="GMT") - >

This message reports a problem, and its solution. I found the solution while posting. Since others may have the same problem, I am continuing with the post. PROBLEM I am having a different problem than the one that others have reported (e.g. http://www.nabble.com/Problem-Installing-2.6.0-on-Mac-tf4778736.html#a13674247). Whether I try to install R as a whole, or individual packages, the

I have a data frame ("res$data" in the example below), and I'd like to walk through it, doing an approx() to interpolate each element in turn based on the value of the item named "pressure" that is in the data.frame. I've put some code below. I had hoped that the commented-out "length() <-" line would let me adjust the lengths of the items, but that has