Statistics Threads

[Sherpa Logo]

Sherpa 3.4 Homepage
Sherpa 4.0 Beta Homepage
Analysis Threads: Sherpa; General; ChaRT
Help Pages (AHELP)
Statistics
Optimization Methods
Documents: Publications
Scripts
FAQ
Bugs
Release Notes
CXC Links: CIAO (Data Analysis); Astrostatistics Collaboration
Site Map

News Previous Items

14 Dec 2007 [New]

The CIAO 4.0 software release is now available.

CIAO 4.0 is a full installation of the CIAO software. It features an experimental (beta) version of the new Sherpa, the CIAO modeling and fitting package. Details and documentation on the new system are available from the Sherpa Beta website.

14 Dec 2007 [New]

CALDB 3.4.2 has been released for use with CIAO 3.4 and CIAO 4.0.

Information on the patch is available from the CALDB 3.4.2 Release Notes and How CALDB 3.4.2 Affects Your Analysis.

Download CALDB 3.4.2

Statistics

Sherpa provides numerous tools for determining goodness of fit, errors in parameter values, confidence intervals, and other statistical measures of a model's validity. These threads describe how to use these tools in your analysis.