plotres function

Residual plots

plotres Residual plots for a output model. Four sets of plots are produced: (1) Histogram, (2) normal probability plot for the residual, (3) Standardized Residuals versus Fitted Values, and (4) box-plot (Standardized Residuals).

plotres(x)

Arguments

• x: Output from anova (performed in ExpDes).

Examples

data(ex1)
attach(ex1)
a<-crd(trat, ig)
plotres(a)

References

STEEL, R. G. D.; TORRIE, J. H. Principles and procedures in Statistics: a biometrical approach. McGraw-Hill, New York, NY. 1980.

See Also

graphics.

Author(s)

Eric B Ferreira, eric.ferreira@unifal-mg.edu.br

@author Denismar Alves Nogueira @note The default produces four plots regarding the ANOVA assumptions.