plot.OBsProb function

Plotting of Posterior Probabilities from Objective Bayesian Design

Method Function for plotting marginal factor posterior probabilities from Objective Bayesian Design.

## S3 method for class 'OBsProb'
plot(x, code = TRUE, prt = FALSE, cex.axis=par("cex.axis"), ...)

Arguments

• x: list. List of class OBsProb output from the OBsProb function.
• code: logical. If TRUE coded factor names are used.
• prt: logical. If TRUE, summary of the posterior probabilities calculation is printed.
• cex.axis: Magnification used for the axis annotation. See par.
• ...: additional graphical parameters passed to plot.

Details

A spike plot, similar to barplots, is produced with a spike for each factor. Marginal posterior probabilities are used for the vertical axis. If code=TRUE, X1, X2, ... are used to label the factors otherwise the original factor names are used. If prt=TRUE, the print.OBsProb function is called and the marginal posterior probabilities are displayed.

Returns

The function is called for its side effects. It returns an invisible NULL.

References

Box, G. E. P. and Meyer R. D. (1986) An Analysis of Unreplicated Fractional Factorials., Technometrics 28 (1), 11--18. tools:::Rd_expr_doi("10.1080/00401706.1986.10488093") .

Box, G. E. P. and Meyer, R. D. (1993) Finding the Active Factors in Fractionated Screening Experiments., Journal of Quality Technology 25 (2), 94--105. tools:::Rd_expr_doi("10.1080/00224065.1993.11979432") .

Consonni, G. and Deldossi, L. (2016) Objective Bayesian Model Discrimination in Follow-up design., Test 25 (3), 397--412. tools:::Rd_expr_doi("10.1007/s11749-015-0461-3") .

Author(s)

Marta Nai Ruscone.

See Also

OBsProb, print.OBsProb, summary.OBsProb.

Examples

library(OBsMD)
data(OBsMD.es5, package="OBsMD")
X <- as.matrix(OBsMD.es5[,1:5])
y <- OBsMD.es5[,6]
# Using for model prior probability a Beta with parameters a=1 b=1
es5.OBsProb <- OBsProb(X=X,y=y, abeta=1, bbeta=1, blk=0,mFac=5,mInt=2,nTop=32)
print(es5.OBsProb)
summary(es5.OBsProb)
plot(es5.OBsProb)