PairedData (version 0.9.9)

Meat: Meat data from Preece (1982, Table 4)

Description

This dataset presents 20 paired data corresponding to the percentage of fat in samples of meat using two different methods: AOAC and Babcock.

Usage

data(Meat)

format

A dataframe with 20 rows and 3 columns: rlll{ [,1] AOAC numeric percentage of fat [,2] Babcock numeric percentage of fat [,3] MeatType factor meat type }

source

Tippett, L.H.C. (1952) Technological Applications of Statistics. Williams and Norgate: London.

References

Preece, D.A. (1982) t is for trouble (and textbooks): a critique of some examples of the paired-samples t-test. The Statistician, 31 (2), 169-195.

Examples

data(Meat)

# Presence of clusters or...
with(Meat,plot(paired(AOAC,Babcock)))

# group effect according to Meat type?
with(Meat,plot(paired(AOAC,Babcock),group=MeatType))
with(Meat,plot(paired(AOAC,Babcock),group=MeatType,facet=FALSE))