Speed Tests for Rolling/Running Functions

July 8, 2014
By

(This article was first published on Timely Portfolio, and kindly contributed to R-bloggers)

I use rolling and running functions almost daily with financial time series. In my post A Whole New World with Chains and Pipes, I made this statement I have noticed that rolling analysis with xts can sometimes be slow. as.matrix is my favorite way to speed things up, since I usually do not need xts powerful indexing and subsetting features. I felt like I be a little more thorough, so I put

To leave a comment for the author, please follow the link and comment on his blog: Timely Portfolio.

R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL, Eclipse, git, hadoop, Web Scraping) statistics (regression, PCA, time series, trading) and more...



If you got this far, why not subscribe for updates from the site? Choose your flavor: e-mail, twitter, RSS, or facebook...

Comments are closed.