Memory usage - Extract vs Select
- To: mathgroup at smc.vnet.net
- Subject: [mg93189] Memory usage - Extract vs Select
- From: tomfabtastic at hotmail.com
- Date: Thu, 30 Oct 2008 02:03:38 -0500 (EST)
Hello, Does anyone know what is the most memory efficient way to manipulate large data sets (200,000 rows and 40 columns) ? I use extract, but suspect Select may be more efficient. Also, is there a way to tell how much memory is being used by a mathematica command ? Thanks, Tom