gravel | R Documentation |
This data set contains 56 individual bivariate observations from a gravel-producing plant given by Holmes and Mergen (1993). There are two variables measuring the percentage of the particles (by weight) that are large or medium in size, respectively.
data(gravel)
A 2x56 matrix.
D. S. Holmes, A. Mergen (1993)
“Improving the Performance of the T^2
Control Chart”,
Quality Engineering, 5, pp. 619–625,
\Sexpr[results=rd]{tools:::Rd_expr_doi("10.1080/08982119308919004")}.
data(gravel)
mphase1Plot(gravel)
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