A math friend of mine often consulted for scientists. His least favorite were those who asked him to "make some clusters". (think k-means) "What are you look

A math friend of mine often consulted for scientists. His least favorite were those who asked him to "make some clusters". (think k-means) "What are you looking for? What is your hypothesis?" "Just make some clusters and we'll see." Not utterly without merit, but fairly blind fishing nonetheless.