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 ...
This example is a continuation of "Creating Lognormal Probability Plots". Figure 9.4 shows that a lognormal distribution with shape parameter is a good fit for the distribution of DIAMETER in the data ...
The generation of custom graphs with Microsoft Excel enables an engineer or analyst to plot untransformed data for gaining an understanding of problems related to oil and gas operations. Graphs have a ...
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