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Likelihood analysis

Wiki Markup_From Jim:_ \ [these are in Science Tools *v9r15p2*]

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• fixed Jean's 1/2 pixel offset problem \ [see, e.g., slide 7 of [Jean's report to the Diffuse group|https://confluence.slac.stanford.edu/download/attachments/33949910/catalog_diffuse_0509.ppt]] with convolved maps using MapCube models (Likelihood v15r1p4)

• completed the SummedLikelihood interface to include TS calculations (pyLikelihood v1r14p1)

Also, these new features mentioned last week are now in the current release:

• Wiki MarkupFixed a bug in the event class handling in *gtdiffrsp* \ [revealed I think by processing Pass 7 files that had an event class selection made with *gtselect*]. Likelihood v15r0p3unmigrated-wiki-markup

• Added a new function for spectral fitting: [SmoothBrokenPowerLaw|ST:/2009/06/08/Science Tools Update, June 9, 2009^smoothbrokenpl.png] implemented by Benoit Lott. Likelihood v15r1p1 \ [fixed in v15r1p2, which is part of the current release]

• Added SummedLikelihood to Likelihood v15r0p3, pyLikelihood v1r14. This interface will allow users to combine likelihood calculations that have identical xml model definitions. Unbinned and binned analysis can be combined as well as separate front vs back for binned analysis.

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