When you request a lognormal probability plot, you must specify the shape parameter for the lognormal distribution (see Table 9.13 for the equation). The value of must be positive, and typical values ...

Journal of the Royal Statistical Society. Series D (The Statistician), Vol. 31, No. 3 (Sep., 1982), pp. 211-220 (10 pages) Probability plots are often used to examine whether a sample comes from some ...

Figure 10.6 illustrates how a Q-Q plot is constructed. First, the n nonmissing values of the variable are ordered from smallest to largest: ...

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