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A Distribution-Free Approach to Testing Models for Angular Power Spectra (2504.16079v1)
Published 22 Apr 2025 in physics.data-an and astro-ph.IM
Abstract: A novel goodness-of-fit strategy is introduced for testing models for angular power spectra characterized by unknown parameters. Using this strategy, it is possible to assess the validity of such models without specifying the distribution of the estimators of the angular power spectrum being used. This holds under general conditions, ensuring the applicability of the method across diverse scenarios. Moreover, the proposed solution overcomes the need for case-by-case simulations when testing different models -- leading to notable computational advantages.
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