spuRs (version 2.0.2)

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)

Arguments

transectHolder

an object representing a transect of seed traps.

Value

The standard deviation of the seed dispersal distances is returned.

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

# NOT RUN {
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)

# }