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- Path: sparky!uunet!mcsun!uknet!glasgow!jack
- From: jack@dcs.glasgow.ac.uk (Jack Campin)
- Newsgroups: comp.lang.misc
- Subject: Re: Ideas for time-series manipulation language
- Message-ID: <1992Aug17.153800.16199@dcs.glasgow.ac.uk>
- Date: 17 Aug 92 15:38:00 GMT
- References: <Bt3Jt3.3Kn.2@cs.cmu.edu>
- Reply-To: jack@dcs.glasgow.ac.uk (Jack Campin)
- Organization: COMANDOS Project, Glesga Yoonie
- Lines: 28
-
- tgl+@cs.cmu.edu (Tom Lane) wrote:
- > I'm thinking about designing a language in which discrete time series are a
- > fundamental data type. I have vague memories of having seen similar ideas
- > before, so I'm hoping someone can point me to prior work.
- > The data I want to manipulate comes as series of observations taken at
- > certain intervals of time (not necessarily the same interval for each
- > series).
- > I want to be able to refer to such a series as a single data object;
- > to perform operations on such objects (eg, to add corresponding elements
- > of two series to deliver a sum series), and to define functions that work
- > on such objects (integration and correlation might be examples). I want
- > the functions to be able to work incrementally as new values are added to
- > each data series (lazy evaluation might help here).
-
- Try this:
-
- AUTHOR: Wadge William W.
- TITLE: Lucid, the dataflow programming language
- IMPRINT: London Academic Press 1985
- SERIES: Studies in data processing (Brighton College of Technology. Automatic
- Programming Information Centre) v.22
- OTHER AUTHORS: Ashcroft Edward A.
-
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