plotOp: A "heat map" plot of the operator matrix

In hafen/operator: Loess and STL operator matrix computation for time series

Description

Plots the row and column values of the operator matrix as a “heat map”.

Usage

plotOp(op, nbreaks = 30, panel = op.panel, aspect = "xy", 
   xlab = "Column", ylab = "Row", ...)

Arguments

op	object of class "op", "opblend", or "stlop".
nbreaks	number of breaks in the color graduation.
panel, aspect, xlab, ylab, ...	override the default arguments to the lattice call.

Details

The color white correspond to values around 0.

Value

an object of class "trellis".

Author(s)

Ryan Hafen

References

R. B. Cleveland, W. S. Cleveland, J.E. McRae, and I. Terpenning (1990) STL: A Seasonal-Trend Decomposition Procedure Based on Loess. Journal of Official Statistics, 6, 3-73.

W. S. Cleveland, E. Grosse and W. M. Shyu (1992) Local regression models. Chapter 8 of Statistical Models in S eds J. M. Chambers and T. J. Hastie, Wadsworth & Brooks/Cole.

See Also

stl2

Examples

sop <- stlOp(75, n.p=7, s.window="periodic")
plotOp(sop$fit)

hafen/operator documentation built on May 17, 2019, 2:23 p.m.