Questions tagged [conjoint-analysis]

a technique that asks participants to evaluate a series of tradeoffs between attributes, and by comparing these tradeoffs demonstrates the relative importance of attribute values

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1 answer
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Why do I get exact singularity when I add a dummy variable to a multinomial logistic using R mlogit?

I am using the mlogit package in R to run a multinomial logistic regression on pooled discrete choice data collected using two different questionnaire formats. I want to test whether the format had a ...
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18 votes
8 answers
15k views

Conjoint Packages for R

Could you recommend an easy to use or comprehensive conjoint analysis package for R?
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1 answer
3k views

Off-the-shelf conjoint analysis software?

Any recommendations for easy to use and inexpensive software for conjoint analysis? I took graduate level stats more than a decade ago and would prefer something relatively easy to handle.
1 vote
0 answers
231 views

How do I deal with split samples for conjoint in SPSS?

We ran a survey of a sample of over 4,000 where we asked about 16 cards (product combinations). To combat survey fatigue, we randomly assigned each respondent 4 of the cards, so that every respondent ...
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4 votes
1 answer
3k views

How to interpret D-Efficiency in Experimental Design in R OptFederov?

I created an orthogonal design in R using AlgDesign package. I got 14 profiles and some output: D =0.2519353; A = 5.462121; Ge = 0.748; Dea = 0.714. How to interpret D , A , Ge and Dea? Also, In ...
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2 votes
1 answer
2k views

Full and fractional factorial designs

I have a data set consisting of six independent environmental variables (all binomial: present / absent) and one dependent variable (binomial: disease present / absent). In order to determine the ...
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1 vote
1 answer
643 views

Experimental (factorial) design not exploiting the variance

I want to construct a design to use Choice Based Conjoint Analysis. I want to focus on D-Optimality, for that reason I use the R package AlgDesign which uses Fedorov Algorithm. I create 7 attributes ...
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0 votes
1 answer
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can I cluster standard errors within a multilevel model?

I recognise this is similar to this but I couldn't understand the answer to the question and hence am asking again. Is it possible to use both cluster standard errors and multilevel models together ...
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0 votes
1 answer
312 views

How to do a choice-based conjoint analysis with multiple regression and 3 levels per attribute?

I'm trying to follow these instructions: https://docs.google.com/spreadsheets/d/1Piw0Fk0XCWBJOHhC8NsljvIPywaBmLdNa8QpEV75fHQ/edit#gid=777817907 to do a choice-based conjoint analysis with multiple ...
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