caUtilities {conjoint}

Function caUtilities calculates utilities of levels of atrtributes

Description

Function caUtilities calculates utilities of attribute's levels. Function returns vector of utilities.

Usage

caUtilities(y,x,z)

Arguments

y

matrix of preferences

x

matrix of profiles

z

matrix of levels names

Author(s)

Andrzej Bak [e-mail],

Tomasz Bartlomowicz [e-mail]

Department of Econometrics and Computer Science, Wroclaw University of Economics, Poland http://keii.ue.wroc.pl/conjoint

References

Bak A., Bartlomowicz T. (2012), Conjoint analysis method and its implementation in conjoint R package, [In:] Pociecha J., Decker R. (Eds.), Data analysis methods and its applications, C.H.Beck, Warszawa, p.239-248.

Bak A. (2009), Analiza Conjoint [Conjoint Analysis], [In:] Walesiak M., Gatnar E. (Eds.), Statystyczna analiza danych z wykorzystaniem programu R [Statistical Data Analysis using R], Wydawnictwo Naukowe PWN, Warszawa, p. 283-317.

Green P.E., Srinivasan V. (1978), Conjoint Analysis in Consumer Research: Issues and Outlook, "Journal of Consumer Research", September, 5, p. 103-123.

SPSS 6.1 Categories (1994), SPSS Inc., Chicago.

See Also

caPartUtilities and caTotalUtilities

Examples

#Example 1
library(conjoint)
data(tea)
uslall<-caUtilities(tprefm,tprof,tlevn)
print(uslall)

#Example 2
library(conjoint)
data(chocolate)
uslall<-caUtilities(cprefm,cprof,clevn)
print(uslall)

#Example 3
library(conjoint)
data(journey)
usl<-caUtilities(jpref[1,],jprof,jlevn)
print("Individual utilities for first respondent:")
print(usl)