ex2414: Amphibian Crisis and UV-B

Description Usage Format Source References Examples

Description

Data frame contains the percentage of unsuccessful hatching from enclosures containing 150 eggs each in a study to investigate whether UV-B is responsible for low hatch rates.

Usage

1

Format

A data frame with 71 observations on the following 4 variables.

Percent

percentage of frog eggs failing to hatch

Treat

factor variable with levels "NoFilter", "UV-BTransmitting" and "UV-BBlocking"

Location

factor variable with levels "ThreeCreeks", "SparksLake", "SmallLake" and "LostLake"

Phtolyas

Photolyase activity

Source

Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.

References

Blaustein, A.R., Hoffman, P.D., Hokit, D.G., Kiesecker, J.M., Walls, S.C. and Hays, J.B. (1994). UV Repair and Resistance to Solar UV-B in Amphibian Eggs: A Link to Population Declines? Proceedings of the National Academy of Science, USA 91: 1791–1795.

Examples

1


Sleuth2 documentation built on May 20, 2017, 4:02 a.m.
Search within the Sleuth2 package
Search all R packages, documentation and source code

Questions? Problems? Suggestions? Tweet to @rdrrHQ or email at ian@mutexlabs.com.

Please suggest features or report bugs in the GitHub issue tracker.

All documentation is copyright its authors; we didn't write any of that.