Probability plots are useful tools for the display and analysis of lifetime data. Refer to Abernethy (1996) for examples using probability plots in the analysis of reliability data. Probability plots ...

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 ...

Residual plots can be used to validate assumptions about the regression model. Figure 1: Residual plots are helpful in assessments of nonlinear trends and heteroscedasticity. A formal test of lack of ...

Residual (shrunken) estimates can be computed along with a range of diagnostic information: A range of plots are available from the residual plots tab. The residuals can be standardised for ...