Is there a similar data structure to Splus' dataframe?
- To: mathgroup at smc.vnet.net
- Subject: [mg23071] Is there a similar data structure to Splus' dataframe?
- From: Claudius Schnorr <schnoerr at mailzone.com>
- Date: Sat, 15 Apr 2000 03:00:28 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
I would like to give columns of matrices names which I can use to select these columns. In Splus there is a fine syntax for that: matrix[,"name"] selects a column whithout having to know its position in the matrix (2nd or 3rd column for example). Is there a predefined data structure and commands or a package to do that whithout the need to program it for myself with the Select[] statement? Best greetings, Claudius Please email directly to schnoerr at mailzone.com -- ---------------------------------------------------------------- Dr.-Ing. Claudius Schn"orr Tel: ++49-(0)211-5591570 Sigmaringenstr. 2 40547 D"usseldorf / Germany e-mail: schnoerr at mailzone.com ----------------------------------------------------------------