optimal_span | R Documentation |
The optimal span is calculated based upon the bayesian information criterion (BIC).
optimal_span( y, x = NULL, weights = NULL, step = 0.01, label = NULL, plot = FALSE )
y |
a vector with measurement values to smooth |
x |
a vector with dates / time steps |
weights |
optional values to weigh the loess fit with |
step |
span increment size |
label |
title to be used when plotting function output |
plot |
plot visual output of the optimization routine |
Returns an optimal span to smooth a provided vector using the 'loess()' smoother.
## Not run: # Internal function only, should not be used stand-alone. l <- sin(seq(1,10,0.01)) l <- l + runif(length(l)) optimal_span(l, plot = TRUE) ## End(Not run)
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