search for: syncsort

Hi folks: I am a SQL guy who just downloaded and installed R yesterday. I am trying to evaluate some "complex" aggregations we are currently performing with Syncsort (and have tried in Oracle) with R. I have loaded data in a dataframe and have performed some of the simple aggregations on a subset of data. What I do not see how to do though, is to "group" the aggregations on a particular key value (e.g., sum market_value over account_id). If you ca...

Speaking of backup-software. I heard that legato supports zfs but is anyone using zfs and legato or some other backup-software that can handle multi-TB-file systems (in production)? -- regards Claus

Hi, I work for Syncsort, Inc., and I am currently trying out the CrossOver Office product for the purpose of getting Internet Explorer (Version 6 SP 1) to run. I need to know whether Wine supports the loading of batch files, because each time I try to execute "wine blahblah.bat", it tells me that "wineload...

Hello all, I have some genetic datasets (gzipped) that contain 6 columns and upwards of 10s of billions of rows. The largest dataset is about 16 GB on file, gzipped (!). I need to sort them according to columns 1, 2, and 3. The setkey() function in the data.table package does this quickly, but of course we're limited by R not being able to index vectors with > 2^31 elements, and bringing

I'm curious to what people are using for backing up their samba servers. Here's are some specs to consider: - 1TB (yes, that's terabyte) of data - multiple servers backup to one tape drive connected to a server (preferably a linux system) - using an autoloader (in this case, an HP 1/9 LTO system) - need to be able to backup daily changes and/or changes since last full backup

Hi All, I've been having a little trouble with creating a loop that will run a a series of t.tests for inspection, Below is the code i've tried, and some checks i've looked at. I've used the get(paste()) idea as i was told previously that the use of the eval should try and be avoided. I've run a single syntax to check that my systax is correct and works without any problems