Cluster analysis finds groups of similar respondents, where respondents are considered to be similar if there are relatively small differences between their average ratings. Cluster analysis can be used to determine a specific pattern in data without further explanation or interpretation.
There are a number of diverse approaches that can be utilized to perform an exercise on a cluster analysis. This method could be a Hierarchical method which further is categorized in either agglomerative method or divisive method. Other approach is through non-hierarchical methods. The data used in cluster analysis can be categorical, interval or ordinal. There can be complication, if analysis is being carried out through mixture of different types of variable.
Data Analysis & Report Writing
There are a variety of specific data analysis method, some of which include are:-