sit2 {Rcriticor}

Sitobion with replicates

Description

Peak densities of the cereal aphid Sitobion avenae, from 1974 to 1980, three replicates per year. Intendid to be used with critic, together with fac

Usage

data(sit2)

Format

The format is: num [1:21] 0.34 -0.175 0.147 2.977 1.477 ...

Source

Pierre, J. S., Guillome, M. and Querrien, M. T. 1986. A Statistical and Graphic Method for Seeking in Which Periods of the Year Are the Animal Populations Peculiarly Sensitive to a Given Weather Component (Critical Periods of Time) - Application to the Case of Cereal Aphids. - Acta Oecologica-Oecologia Generalis 7: 365-380. (in french, english summary)

Examples

data(sit2,fac)
plot(fac,sit2)
## maybe str(sit2) ; plot(sit2) ...