Significant Zero Crossings

Calculates and plots the SiZer map for scatterplot data. A SiZer map is a way of examining when the p-th derivative of a scatterplot-smoother is significantly negative, possibly zero or significantly positive across a range of smoothing bandwidths.


Reference manual

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0.1-5 by Derek Sonderegger, 8 months ago

Browse source code at

Authors: Derek Sonderegger [aut, cre]

Documentation:   PDF Manual  

GPL (>= 2) license

Imports stats, graphics, splines, boot

Suggests dplyr, ggplot2

Imported by OptM.

Depended on by elasso.

See at CRAN