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Unit vector transforms #22

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sethaxen opened this issue Jul 12, 2022 · 0 comments

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Paper-writing TO-DO

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sethaxen commented Jul 12, 2022 •

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bijective transforms using charts:

spherical coordinates

augmented transforms:

canonical embedding in real space (several alternative priors for radius)

test cases:

uniform -> concentrated (von Mises-fisher)
bimodal (axial)
girdle
non-isotropic (Fisher-Bingham with varying skew)

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Add Stan models for unit vector transforms #33

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