Finney's data on vaso constriction in the skin of the digits.

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A data frame with 39 observations on the following 3 variables.

`Volume`

Inhaled volume of air

`Rate`

Rate of inhalation

`Y`

vector of 0 or 1 values.

The data taken from Finney (1947) were obtained in a carefully controlled study in human physiology where a reflex “vaso constriction” may occur in the skin of the digits after taking a single deep breath. The response y is the occurence (y = 1) or non-occurence (y = 0) of vaso constriction in the skin of the digits of a subject after he or she inhaled a certain volume of air at a certain rate. The responses of three subjects are available. The first contributed 9 responses, the second contributed 8 responses, and the third contributed 22 responses.

Although the data represent repeated measurements, an analysis that assumes independent observations may be applied, as claimed by Pregibon (1981).

Finney, D.J. (1947)
The estimation from individual records of the relationship between
dose and quantal response.
*Biometrika* **34**, 320–334

Atkinson, A.C. and Riani, M. (2000)
*Robust Diagnostic Regression Analysis*,
First Edition. New York: Springer, Table A.23.

Fahrmeir, L. and Tutz, G. (2001)
*Multivariate Statistical Modelling Based on Generalized Linear Models*,
Springer, Table 4.2.

Kuensch, H.R., Stefanski, A. and Carrol, R.J. (1989)
Conditionally unbiased bounded influence estimation in general
regression models, with applications to generalized linear models,
*JASA* **84**, 460–466.

Pregibon, D. (1981)
Logistic regression diagnostics,
*Annals of Statistics* **9**, 705–724.

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