Introducing syncR
A new and improved version of the syncPacks() function is now part of a GitHub package, which you can install through devtools::install_github('ghuiber/syncR'). If you're into that, you can help...
View ArticleHere’s to MOOC’s. They’re better than textbooks
The job of textbooks is to separate brilliance, which has zero marginal cost, from individual attention, which is labor-intensive. Everybody is better off when the few brilliant teachers write books...
View ArticleRecipe for pairing up RStudio with GitHub
On both Windows and Mac I have been happy to use RStudio for R development and the GitHub app for handling version control. The app seems to be GitHub's own preferred interface, and if you use it you...
View ArticleAmending a hasty commit
On my current project I occasionally have to report anomalies in input data to people upstream, who can look into them. I do this with html files which I knit from R Markdown. They have to include...
View ArticleI wrote an R data frame to a Teradata table on a Mac
Here's how I did it: On a new Mac running Mavericks and R 3.1.2 with devtools, I installed Java for Mac. I installed the RJDBC package from CRAN (which depends on the DBI package also from CRAN) and...
View ArticleRegularization and the Bible
There are two kinds of regression regularization: ridge, or L2, and Lasso, or L1. They both let you get rid of some variance (less is good) in return for picking up some bias (of which also less is...
View ArticleGetting started with the NooElec NESDR Nano on OS X Yosemite
This is how I did it. Your mileage may vary. Prerequisites: - XCode with command line tools - MacPorts - cmake, autoconf, automake, libtool, libusb*, rtl-sdr All programs listed on the last item above...
View ArticleR version of tsfill and xfill combined
Suppose you have an unbalanced panel with daily data observed at the zip code level, with some zip codes (labeled zip.cd) not having any records on some days (labeled cal.dt). Suppose also that these...
View ArticleBacking up FreeNAS to AWS Glacier
On my FreeNAS home server I added a new jail, called it awsboss. I also added a new ZFS dataset, called it storage. I added this data set to awsboss as /mnt/storage and I also made it into an AFP share...
View ArticleMore about FreeNAS jails
My first attempt to upload a large tarball to Glacier was a success, as described here, but subsequent ones failed. The reason, I suspect, is that the FreeNAS server is headless. I get shell access to...
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