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select_components(): exposes the discrete-curvature
elbow criterion (adaptive m* from first/second-order
operators, plus the extended m** with a minimum
cumulative-variance threshold tau) as a single reproducible
call. The same logic was previously only reachable inside the Shiny app,
so results reported in the accompanying article can now be reproduced
programmatically.mstar_fn) to
follow the manuscript (Section 4) faithfully. It now operates directly
on the boundary-extended curvature (with the endpoint zeros kept) and
drops the +1 / +2+1 index offsets that made
the package return one component too many. Keeping the boundary zeros
lets the first-order operator detect a dominant first component at
m = 1. The selected m* now matches the
curvature / second-difference peak shown in the results table (and the
value reported in the article). The rule is identical across
select_components() and both bundled Shiny apps.These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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