Unc {SeedCalc}

Germination Uncertainty

Description

Calculates the germination Uncertainty (Labouriau & Valadares, 1976).

Usage

Unc(time,nger)

Arguments

time

A vector object containing the time for germination.

nger

A vector object containing the accumulated number of seeds germinated at each time.

References

LABOURIAU LG; VALADARES MB. 1976. On the germination of seeds of Calotropis procera. Anais da Academia Brasileira de Ciencias 48:174-186. LIFCHITZ A. 1981. Plantas medicinales. 5. ed. Buenos Aires: Kier. 139p.

Examples

time <- c(1,2,3,4,5,6,7,8,9,10)
nger <- c(0,2,4,15,25,38,45,50,50,50)
Unc(time,nger)