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paida-3.2.1_2.7 released

PAIDA is pure Python scientific analysis package and implements AIDA (Abstract Interfaces for Data Analysis).
The main features are:

- Pure Python!
- Creating/Plotting the histogram, ntuple, profile and cloud
- Fitting parameter optimization with constraints and its parabolic and asymmetric error evaluation
- XML based storing

AIDA project has other implementations like Java (JAIDA), C++ etc. (Open Scientist and Anaphe).
For more information about AIDA itself, please refer to

PAIDA web site:

[3.2.1_2.7] (AIDA3.2.1_PAIDA2.7)

### New features ###

- Improved speed of ITuple.
- Auto sizing if not customized:
- axis/tick/title label
- stats/legends/texts box
- Support for new function names:
- 'GG' for double gaussian ('G+G' in PAW)
- 'EE' for double exponential ('E+E' in PAW)

### Bug fixes ###

- ITupleFactory
- createFiltered() did not work correctly.
- createChained() did not work correctly.
- ITuple
- project() did not work correctly.
- rows() returned -1 even when there were no rows.
- XML data file:
- Reading/Writing XML data file which includes complex ITuples works correctly now.
- Characters '&', '<', '>', '"' were not escaped correctly in XML data file.
- Memory:
- Closed tree did not free the memory space.
- Closed plotter did not free the memory space.
- Grid lines did not be plotted correctly.

Posted by Koji Kishimoto 2013-04-09