spss - Conjoint analysis based on a orthogonal design -


i'm having issues regarding conjoint analysis. excuse me if of terms use wrong, has been time since last worked spss - , teacher danish.

task object

i make series of concept travelpackages (attributes , attribute notes/levels). far i've got things under control - i've reduced number of packages 81 9, of 'orthogonal' design.

these 9 packages have been rated people (1-10), on questionnaire.

then i've been asked write syntax evaluates conjoint plan:

conjoint plan= 'c:\users\myname\drobboxfolder\conjoint_cards.sav' /data='c:\users\myname\drobboxfolder\respondents.sav'  /score=card_1 card_9  /subject=id  /factors= sms minutter data tryghed  /print=all  /plot=all.

however keep getting error:

subject subcommand -- subject variable not on data file.

execution of command stops.

at point i've been dark pages of google , answer doing wrong, nothing far. answer staring me in face. appreciate or pointers i'm doing wrong.

problem solved: apparently 1 shouldn't follow guide letter. datafile didn't contain id, removing syntax solved problem.


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