what is the use of clustering how to run cluster analysis in a survey can you analyze a group with weighted data cluster analysis of a survey population weighted data clustering can you do a cluster analysis on weighted surveys? can cluster analysis be used in surveys do I need to cluster an age group on a survey what is cluster analysis used for do you need to cluster analysis for polling why do we do an ethnic cluster analysis? can cluster analysis work in weighted survey data cluster analysis of weighted survey results can you cluster analyzed data from a survey cluster analysis with continuous variables how to cluster analyze a scale how do you do cluster analysis cluster analysis weighted survey data what is the problem with clustering in a survey clustering based data