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varcomp

Variance Components

Description

This function estimates the variance components for ANOVA.

Usage

varcomp(a1, a2, f1, f2)

Arguments

a1, a2

analytical duplicates

f1, f2

field duplicates

Value

pct.regional

percentage of regional variability
pct.site

percentage at site variability
pct.analytical

percentage of analytical variability
pval

p-value

Author(s)

References

C. Reimann, P. Filzmoser, R.G. Garrett, and R. Dutter: Statistical Data Analysis Explained. Applied Environmental Statistics with R. John Wiley and Sons, Chichester, 2008.

Examples

# field duplicates:
data(CHorFieldDUP)
xfield1=CHorFieldDUP[,5:98]
xfield2=CHorFieldDUP[,99:192]

# anaytical duplicates:
data(CHorANADUP)
xanal1=CHorANADUP[,3:96]
xanal2=CHorANADUP[,97:190]

varcomp(xanal1[,1],xanal2[,1],xfield1[,1],xfield2[,1])
StatDA

Statistical Analysis for Environmental Data

v1.7.4
GPL (>= 3)
Authors
Peter Filzmoser
Initial release
2020-03-10

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