Non-Gaussian likelihood function and COBE data | Zendy

Luca Amendola | Zendy

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Non-Gaussian likelihood function and COBE data

Author(s) -

Luca Amendola

Publication year - 1996

Publication title -

monthly notices of the royal astronomical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.058

H-Index - 383

eISSN - 1365-8711

pISSN - 0035-8711

DOI - 10.1093/mnras/283.3.983

Subject(s) - physics , cosmic microwave background , gaussian , statistical physics , gaussian function , multivariate statistics , function (biology) , non gaussianity , likelihood function , maximum likelihood , astrophysics , statistics , quantum mechanics , mathematics , evolutionary biology , biology , anisotropy

We generalize the maximum likelihood method to non-Gaussian distribution functions by means of the multivariate Edgeworth expansion. We stress the potential interest in this technique for all those cosmological problems in which the determination of a non-Gaussian signature is relevant, e.g. in the analysis of large-scale structure and cosmic microwave background. The application to the COBE two-y...

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