Description Usage Format Source
Results from an inter-laboratory study involving k = 28 measurements for the level of arsenic in oyster tissue. y
is the mean level of arsenic from a lab and se
is the standard error of the measurement.
1 | data("arsenic")
|
A data frame of (y_i, se_i) for i = 1,...,28.
y
mean level of arsenic in the tissue measured by the i^{th} lab
se
the standard error of the measurement by i^{th} lab
Wille, S. and Berman, S., 1995. "Ninth round intercomparison for trace metals in marine sediments and biological tissues," NRC/NOAA.
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