Strength Data Set of a Girder Experiment
The shear strength of steel plate girders need to be modeled as a function of the four methods and nine girders.
data(girder)
A data frame with 9 observations on the following 5 variables.
GirderThe row names, varying from S1.1 to S4.2, represent the nine type of girders, S1.1 S1.2 S2.1 S2.2 S3.1 S3.2 S4.1 S4.2 S5.1
Aarauone of the four methods of preparation of the steel plates
Karisruheone of the four methods of preparation of the steel plates
Lehighone of the four methods of preparation of the steel plates
Cardiffone of the four methods of preparation of the steel plates
Wu, C.F.J. and M. Hamada (2000-9). Experiments: Planning, Analysis, and Parameter Design Optimization, 2e. J. Wiley.
data(girder) girder boxplot(girder[,2:5])
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