Open Office is insanely slow handling the quantities of data I need to analyse and chart/plot - around 10 - 20k rows, maybe 10 - 20 columns.

I do not need compatibility with MS Office, Open Office, Lotus or anything else. This is a standalone analysis. However needs to be able to read/open .csv.

Basic built in math functions would be advantageous, but not critical (square roots, standard deviations, logs etc).

Should be open source.

Basic graphing IS a must.

I am not wild about online "cloud"-based products (zoho, google docs etc).

Does anyone have any good recommendations?

Thanks

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I'm not sure you're going to find an open source product that's faster than Open Office. But good luck. – Sasha Chedygov Dec 26 '09 at 19:35
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2 Answers

Try IBM's version of OpenOffice - Symphony. Otherwise, try Gnome Office's spreadsheet app, Gnumeric. Finally, the traditional option is xspread, iirc. I want to like KDE, but from experience with KOffice, I wouldn't trust kspreadsheet, personally.

Oh, also... your best bet for basic data analysis/plotting is probably something like GNU Octave, GNUPlot, or R, rather than a spreadsheet app. Maybe use a spreadsheet/db as a GUI front end to that.

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i see loads of "R" questions on stackoverflow, never knew what it was, but from brief look at the web page could be just what I need. – Daniel Dec 26 '09 at 20:11
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You might try KSpreadsheet, part of the KOffice suite from KDE.

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