The esterase data frame has 113 rows and 2 columns with the results of an essay for the concentration of an enzyme esterase.

Format

This data frame contains the following columns:

Esterase

amount of esterase.

Count

observed count.

Details

The esterase essay data were reported by Caroll and Ruppert (1988) and successively analyzed by Zhao (2000).

References

Zhao QS. Restricted regression quantiles. Journal of Multivariate Analysis 2000;72(1):78-99.

Source

R. J. Carroll and D. Ruppert, Transformation and Weighting in Regression. London: Chapman and Hall, 1988.