spuRs (version 2.0.3)

sd.transectHolder: Function to compute the sd dispersal distance along a transect of seed traps.

Description

This function computes the standard deviation of the dispersal distances along a transect of seed traps.

Usage

sd.transectHolder(transectHolder)

Value

The standard deviation of the seed dispersal distances is returned.

Arguments

transectHolder

an object representing a transect of seed traps.

References

Jones, O.D., R. Maillardet, and A.P. Robinson. 2009. An Introduction to Scientific Programming and Simulation, Using R. Chapman And Hall/CRC.

See Also

transectHolder

Examples

transect.1 <- trapTransect(distances = 1:4,
                        seed.counts = c(4, 3, 2, 0))
transect.2 <- trapTransect(distances = 1:3,
                        seed.counts = c(3, 2, 1))
transect.3 <- trapTransect(distances=(1:5)/2,
                        seed.counts = c(3, 4, 2, 3, 1))
allTraps <- transectHolder(transect.1, transect.2, transect.3,
                           family="Weibull")

mean(allTraps)

sd.transectHolder(allTraps)