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rsvddpd (version 1.0.1)

cv.alpha: Calculate optimal robustness parameter

Description

cv.alpha returns the optimal robustness parameter

Usage

cv.alpha(X, alphas = 10)

Value

A list containing

  • The choices of the robust parameters.

  • Corresponding cross validation score.

  • Best choice of the robustness parameter.

Arguments

X

matrix, whose singular value decomposition is required

alphas

numeric vector, vector of robustness parameters to try.

References

S. Roy, A. Basu and A. Ghosh (2021), A New Robust Scalable Singular Value Decomposition Algorithm for Video Surveillance Background Modelling https://arxiv.org/abs/2109.10680