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I have a table which looks like this:   ACC        BAL 1 hal -171245.33 2 opn  -50487.63 3 pga  213440.38 4 prt       0.18 5 rbs    8292.54 How do I create a column which shows the running totals of the BAL columns? [[alternative HTML version deleted]]

I'm not very good at statistics, but I know enough to be dangerous. I'm completely new to R, having just discovered it yesterday. Now that the introductions are out of the way ... I have a table with three columns, only two of which are relevant to the discussion: roe0 and roe1. Plotting roe0 against roe1 shows that there is a convincing correlation between them, and is confirmed by the

I am scraping data from a web page using XML (excellent package BTW - that's scraping data the easy way!). So far, I've got the code: tables <- readHTMLTable(theurl) rhf <- tables$tabResHistFull div1 <- rhf[which(rhf$V1=="Div ps"),] div1 which is giving me the result:        V1 V2    V3    V4    V5    V6    V7          V8    V9   V10   V11   V12   V13   V14  V15 15

I tried to build R-2.14.0 on cygwin using the commands: ./configure --with-x=no make I started to get a whole lot of errors starting with: /cygdrive/c/Users/mcarter/src/R-2.14.0/src/modules/internet/Rhttpd.c:275: undefined reference to `_R_InputHandlers' which I have pasted at http://pastebin.com/GFb2pq92 I'm aware that there is a cygwinports ports, but it seems outdated, and when I