"The wise man view things

solid not by one thing

not to kind

knowledge

and others" this is the basic ability of human beings and to understand the world and society

for thousands of years

is also a basic problem that must be faced in the discovery of big data

namely clustering problem. Whether in politics

culture

or in mathematics

chemical industry

we all use the results of cluster analysis

cluster analysis also plays a very important role in population analysis

the past people mainly by experience and professional knowledge do qualitative classification processing

lead to many classification with subjectivity and arbitrariness

not well reveal the objective things intrinsic essential difference and contact

especially for multiple factor index classification qualitative classification more difficult to achieve accurate classification

cluster analysis can reduce the disadvantages of qualitative analysis

from the perspective of quantitative reasonable classification.