| SamplingVariance-class {spcosa} | R Documentation |
Class "SamplingVariance"
Description
The sampling variance is estimated by means of Equation 7.14 in de Gruijter et al., (2006).
Objects from the Class
Objects can be created by calls of the form new("SamplingVariance", ...).
Slots
description:Object of class
"character"A description op the statistic.
Extends
Class "Statistic", directly.
Methods
- estimate
signature(statistic = "SamplingVariance", stratification = "CompactStratification", samplingPattern = "SamplingPatternRandomSamplingUnits", data = "data.frame"): estimates the sampling variance, given a stratification, a sampling pattern and data.- estimate
signature(statistic = "SamplingVariance", stratification = "CompactStratificationEqualArea", samplingPattern = "SamplingPatternRandomComposite", data = "data.frame"): estimates the sampling variance, given a stratification, a sampling pattern and data.
Author(s)
Dennis J. J. Walvoort dennis.walvoort@wur.nl, D.J. Brus, J.J. de Gruijter
References
de Gruijter, J. J., Brus, D. J., Bierkens, M. F. P., and Knotters, M. (2006) Sampling for Natural Resource Monitoring Berlin: Springer-Verlag.