skel.plot {dplR}R Documentation

Skeleton Plot

Description

Automatically generates a skeleton plot of tree-ring data.

Usage

skel.plot(y)

Arguments

y a tree-ring chronology or series

Details

This makes a skeleton plot - a plot that gives the relative growth for a year relative to the surrounding years. This is done on high frequency growth. Low frequency variation is removed using a Hanning filter with weight set to nine. Relative growth is scaled from one to ten but only values greater than three are plotted.

Value

None. This function is invoked for its side effect, which is to produce a plot.

Author(s)

Andy Bunn

References

Stokes, M.A. and Smiley, T.L. (1968) An Introduction to Tree-Ring Dating. The University of Arizona Press. ISBN-13: 978-0816516803.

See Also

read.rwl, detrend, chron

Examples


  # On a raw ring width series
  data(ca533)
  skel.plot(ca533[,1])

  # On a chronology
  data(cana157)
  skel.plot(cana157[,1])


[Package dplR version 1.0 Index]