SpiderSpeed {abd}

Spider Running Speeds after Amputation

Description

Data on speed before and after amputation of a pedipalp in the spider genus Tidarren.

Format

A data frame with 32 observations on the following 2 variables.

speed.before

speed (cm/s) before amputation

speed.after

speed (cm/s) after amputation

Source

Ramos, M., D.J. Irschick, and T.E. Christenson. 2004. Overcoming an evolutionary conflict: Removal of a reproductive organ greatly increases locomotor performance. Proceedings of the National Academy of Sciences (USA) 101: 4883-4887.

References

http://en.wikipedia.org/wiki/Pedipalp, http://en.wikipedia.org/wiki/Tidarren, http://www.pnas.org/content/101/14/4883

Examples

xyplot(speed.after ~ speed.before, SpiderSpeed)
favstats(SpiderSpeed$speed.before)
favstats(SpiderSpeed$speed.after)
favstats(SpiderSpeed$speed.after - SpiderSpeed$speed.before)