denstest: Density Equality Testing
Methods for testing the equality between groups of estimated
density functions. The package implements FDET (Fourier-based Density Equality
Testing) and MDET (Moment-based Density Equality Testing), two new approaches
introduced by the author. Both methods extend an earlier testing approach
by Delicado (2007), "Functional k-sample problem when data are density functions"
<doi:10.1007/s00180-007-0047-y>, which is referred to as DET (Density Equality
Testing) in this package for clarity. FDET compares groups of densities
based on their global shape using Fourier transforms, while MDET tests for
differences in distributional moments. All methods are described in Anarat,
Krutmann and Schwender (2025), "Testing for Differences in Extrinsic Skin Aging
Based on Density Functions" (Submitted).
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