Matthew C. Fitzpatrick, Evan L. Preisser, Aaron A. Ellison, and Joseph S. Elkinton. 2009. Observer bias and the detection of low-density populations. Ecological Applications 19:1673–1679.

Supplement

R code used in statistical analyses.
Ecological Archives A019-067-S1.

Copyright

Authors
File list (downloads)
Description

Author(s)

Matthew C. Fitzpatrick
Harvard Forest
324 North Main Street
Petersham, MA 01366
E-mail: mfitzpat@fas.harvard.edu

Evan L. Preisser
Department of Biological Sciences
University of Rhode Island
Kingston, RI 02881
E-mail: preisser@uri.edu

Aaron M. Ellison
Harvard Forest
324 North Main Street
Petersham, MA 01366
E-mail: aellison@fas.harvard.edu

Joseph S. Elkinton
Department of Plant, Soil, and Insect Sciences
University of Massachusetts at Amherst
Amherst, MA 01003
E-mail: elkinton@ent.umass.edu

File list

readme.txt

rscript.r

Description

“rscript.r” contains commented R code used to perform statistical analyses described in the paper. Details of the simulated data set provided within the script can be found as comments in the code. Note that the optimization algorithms may encounter convergence difficulties with small data sets.