choice experiment

  1. E

    Generalised linear models or GEE?

    I am working with choice test data from an Ecological experiment and I need to decide if I am doing a GLM or GEE. I am running SPSS but also not sure about data input with these tests, I haven't performed either of them before. Data was gathered from multiple subjects at different time points...
  2. J

    Pairwise Comparison Study Stats

    Hi, I'm looking to carry out a study which will involve a pairwise choice comparison. I am aiming to identify any patterns of preference by wild individuals (measured by abundance) when presented with four different types of refuge. I will be conducting it in the form of pairwise choice...
  3. A

    How to keep omitted categorical variable on clogit model??

    Currently I am doing choice experiment modelling using conditional logistic model. I am treating all of my attributes as categorical variables. Therefore I run this command using Stata14: clogit most i.benefit i.distribution i.duration i.restriction i.participation, group(respqu) However, I...
  4. T

    How do I normalize the variance of error terms in multinomal logit/probit models?

    Hi, I use a multinomial logit model to analyze a choice experiment with three options. I normalize the coefficient of one of the options, say option three to zero. I do this to set this option as the reference category. Hence, I am left with two options. Now I want to normalize the variance of...