Get the best fit for your maths with LinReg2By Chris Williams. Published: 15th Jan 19:54:30 | Permalink | Printable
Last week Paul Johnson completed LinReg 2, the sucessor to Paul's previous Linear Regression utility. Earlier this month, Paul released a promising beta release before finishing the mathematical utility.
"My original LinReg application was nice. However, it had a few problems..a case of needing something quick and simple", Paul commented during development on the Acorn Education website. LinReg2 is a total code rewrite and features:
- Full data editor. This is a personal favourite and is laid out like a straightforward spreedsheet.
- Full equation editor with trigonmetric fuctions and indices supported.
- Each axis can be processed using functions ranging from trigonmetric to standard mathematical operations.
- Best fit lines can be fully calculated with gradients and intercepts. Standard Deviation and error commentary is also included. More importantly, all this information is a single click away.
- Interactive help, through the built in RISC OS !Help application, is fully supported although you are advised to read the manual before any serious use.
- CSV file export and import supported
"It's smaller, faster and upto 4 times more accurate than Excel", notes Paul in his newsgroup announcement. LinReg2 is ideal for statistical projects and reports and judging from Paul's activities in the RISC OS programming newsgroups, a lot of thought and technique has gone into LinReg2.
Finally, author Paul, (who according to the IRC #riscos member list knows many mindnumbing math problems), has included the original Fortran77 source code and documentation about how LinReg2 does it's stuff.
Linear Regression 2: www.acornusers.org/education/
Previous: Smooth track playing with DataPlayer update
Next: Scrabble for RISC OS:Challenging and graphical desktop fun
DiscussionViewing threaded comments | View comments unthreaded, listed by date | Skip to the end
No comments posted - yet. Post one yourself or come back soon.
Please login before posting a comment. Use the form on the right to do so or create a free account.
Search the archives
Today's featured article
Qercus reviewed but renewed?
Forty months after taking out an annual subscription, Martin Hansen ponders whether or not to continue his Qercus sub
28 comments, latest by hzn on 3/8/07 4:15PM. Published: 27 Jul 2007
ARM shows off prototype netbooks
A number of RISC OS users have called for a port of their favourite operating system to the range of ARM-powered netbooks unveiled last week. It is understood at least one of the devices features a processor compatible with the ARM Cortex-A8, for which a RISC OS port is being brewed over at RISC OS Open.
6 comments, latest by tinopeners on 18/3/09 11:52AM. Published: 26 Feb 2009
News and media:
RISCOS Ltd •
RISC OS Open •
MW Software •
Advantage Six •
CJE Micros •
Liquid Silicon •
Chris Why's Acorn/RISC OS collection •
The Register •
The Inquirer •
Apple Insider •
BBC News •
Sky News •
Google News •