arsenate {deming} | R Documentation |
Comparison of two assays for arsenate.
Description
Arsenate(V) ion in natural river waters, as determined by two assay methods.
Usage
data(arsenate)
Format
A data frame with 30 observations on the following 4 variables.
aas
micrograms/liter, by continuous selective reduction and atomic absorbtion spectectromitry
se.aas
estimated standard error of the result
aes
micrograms/liter, by non-selective reduction, cold trapping, and atomic emission spectroscopy
se.aes
estimated standard error of the result
Source
The data is found in BD Ripley and M Thompson, Regression techniques for the detection of analytical bias, Analyst 112:377-383, 1987.
[Package deming version 1.4-1 Index]