Each row in this table represents a class of oil described by four variables interval quantitives : 'specific gravity',
'freezing points', 'iodine value', 'saponification'
The four successive pairs of columns contain the five symbolic interval variables. Each pair consists of a min and a max.
Usage
data(Judge1)
Arguments
Format
A data frame with 8 observations on the following 8 variables.
GRA.MIN
a numeric vector, minimum of specific gravity
GRA.MAX
a numeric vector, maximum of specific gravity
FRE.MIN
a numeric vector, minimum of freezing points
FRE.MAX
a numeric vector, maximum of freezing points
IOD.MIN
a numeric vector, minimum of iodine value
IOD.MAX
a numeric vector, maximum of iodine value
SAP.MIN
a numeric vector, minimum of saponification
SAP.MAX
a numeric vector, maximum saponification
References
Cazes P., Chouakria A., Diday E. et Schektman Y. (1997). Extension de l'analyse en composantes principales
a des donnees de type intervalle, Rev. Statistique Appliquee, Vol. XLV Num. 3 pag. 5-24, France.
Ichino M. (1994). Generalized Minkowski metrics for mixed featuretype data analysis. IEEE , transactions on systems,
man and cybermetrics, vol.24, n 4.