 While researchers can follow guidelines to choose the right algorithms, and to determine what constitutes convincing clustering , there are no firmly established ways of computing a priori statistical power for cluster analysis.
<clarity>  While researchers can follow guidelines to choose the right algorithms, and to determine what constitutes convincing clustering , there are no firmly established ways of computing a priori statistical power for cluster analysis.
 While guidelines exist for algorithm selection and outcome evaluation , there are no firmly established ways of computing a priori statistical power for cluster analysis.