Readme file
SERIES C
 Applied Statistics
Statistical inference for olfactometer data, by
I. Ricard and A. C. Davison, Appl. Statist., 56 (2007), 479–492
The data, from Tamò et al. (2006), are drawn from a set of experiments in a 6-arm olfactometer. An olfactometer is composed of a central chamber connected to six labelled arms. In each of these arms a plant (or not) is placed. These plants are treated so that they emit some volatils which may attract some wasps.
A bioassay consists on the release of a group of six wasps in the central chamber, and the number of wasps in the different arms are observed thirty minutes after.
Different sorts of wasps may be used, some of them may experience a plant odour before the beginning of a bioassay.
A bioassay is then constituted of six successive rows corresponding to the six arms of the olfactometer. For a considered plants setup only 4-5 releases are possible, after which the equipment is cleaned and some other plants are placed in the different arms. An experiment is composed of all bioassays made with the same plants setup.
VARIABLES:
EXPERIMENT indicates the set of releases made with the same plants setup
BIOASSAY release order for an experiment
ARM olfactometer arm number
PLANT name of the plant in the corresponding arm
EXPERIENCE plant odour that the wasp group had experienced prior to the experiment
WASP numbers of wasps in the arms thirty minutes after release
A. C. Davison
Institute of Mathematics
Ecole Polytechnique Fédérale de Lausanne
Station 8
1015 Lausanne
Switzerland
E-mail: Anthony.Davison@epfl.ch
|
