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Hello! I am using the TeXmacs interface to R. (Though I encountered a similar problem when using Sweave) In doing calculations I often ecounter this scenario: I'll have some calculations in my file: -- A=read.lots.of.data() B=huge.calculation.on(A) C=another.calculation.on(B) -- Now, if A has already been read, I don't need to re-read it. If B has already been calculated, I don't

...s a problem. Back to the real problem here is the code below. How do I get around the error that results from the "^"? rm(list = ls(all = TRUE)) # use this to clear data library(quantmod) library(PerformanceAnalytics) symbols <- c('XLE','XLV','XLI','XLU','XLP','IYZ','XLK','XLY','XLF','XLB','GLD','SLV','E FA','EEM','FXA','FXE','FXY','HYG','LQD', '^GSPC') getSymbols(symbols,from='2007-01-01') getSymbols('S...

I am new to R so I apologize if my question is trivial. I have not been able to figure out whether what I want to do is even possible. I have a data frame of stock ticker symbols which I store into R space from a txt file as follows: tickers <- read.csv("stocks.txt", header=FALSE, sep=",") tickers <- tickers[1] / the tickers are stored in the first column >

The following series flushes my documentation queue and replaces previous postings of those patches. The main difference is that the xl cfg file is now formatted using POD instead of markdown and presented as a manpage. I have setup a cron job to build docs/html and publish it at http://xenbits.xen.org/docs/unstable/ (it''s a bit bare right now). The motivation for some of these patches

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depends on "autoconf: regenerate configure scripts with 4.4 version" This series removes some of the really old deadwood from the tools build and makes some other things which are on their way out configurable at build time with a default depending on how far down the slope I judge them to be. * nuke in tree copy of libaio * nuke obsolete tools: xsview, miniterm, lomount & sv *