http://opendatagroup.com Open Data Group's Home Page and Blog Thu, 29 Jul 2010 21:19:01 +0000 http://backend.userland.com/rss092 en Cloud computing is changing the way that companies build and deploy their analytic solutions. With cloud computing, computing is available on demand, scales elastically, and can be self-provisioned. This flexibility sometimes requires developing new analytic infrastructure and new analytic algorithms, which, in turn, requires some experimenting. This ... http://opendatagroup.com/2010/07/27/prototyping-cloud-analytic-applications/ The hash-2.0.0 package has been uploaded to CRAN.  This version was developed in conjunction with R-2.11.0 and was refactored for performance.   hash-2.0.0 requires R-2.10.0 or later and will not be supported on earlier versions of R.  This is a result of recent changes to the language itself. Importantly: Understand that hash-2.0.0, ... http://opendatagroup.com/2010/04/30/hash-2-0-0/ It is common for programming languages to have a NULL value.  What often leads to confusion is the fact NULL can have two distinct meanings.  In the first, NULL is used to represent missing or undefined values.  This is well appreciated in SQL. In the second case, NULL is the ... http://opendatagroup.com/2010/04/25/r-na-v-null/ Alan Dang at Tom's Hardware has posted an article prognosticating what the next decade holds for GPUs. Even if you don't usually find pundit predictions useful, Alan's is worth the read. Alan has been there since the beginning and he takes his readers through the history, the motivating ... http://opendatagroup.com/2010/03/03/gpu-computings-next-decade/ hash-2.0.0 has been released please read about it here: Earlier today, hash-1.99.x was released to CRAN. This is a stable release and adds some more functions to an already full-featured hash implementation. This version fixes some bugs, adds some features, improves performance and stability. You can read ... http://opendatagroup.com/2010/02/17/hash-1-99-x/