Pattern Matching

Skeleton Plot and Master Chronology

The objective: To find the mirror image of the patterns

of the marks pointing up on the skeleton plot
with the marks hanging down on the master dendrochronology

How to move the skeleton plot (try it on the right):

Put the mouse cursor in the gray region of the plot
Click and hold the left mouse button
Move the mouse left or right

How to know when you have a match:

All of the skeleton plot marks -- and even the "b" marks -- should line up with those on the dated master chronology
The mirror imaging should be visually obvious
If it's not obvious, the text above the skeleton plot will let you know

Good idea: Click the "Try Again" button to have more chances to match patterns of a skeleton plot and master chronology

Note: When you try skeleton plotting for yourself, you can move the master by mouse clicking within the time-series part (shaded gray above) and moving left or right

Paul R. Sheppard
Laboratory of Tree-Ring Research, The University of Arizona
Tucson, Arizona 85721 USA
office: (520) 621-6474, fax: (520) 621-8229
Comments to: sheppard@ltrr.arizona.edu