BI(Business Intelligence) Business intelligence , It's a complete solution , It is used to effectively integrate the existing data in the enterprise , Provide reports quickly and accurately and provide decision basis
, Help enterprises make wise business decisions . It's a product / service , This product / Services may contain reports , analysis , Management, etc. The act of using computers and programming techniques to automate some business processes
. For example : Fruit store owners use business intelligence to make reports or dashboard Observe the flow of people in your store , Purchase volume , Purchase time , Adjust your inventory and sales rhythm in time .
People who used to do business , It depends on intuition and experience . Now with the help of the computer , Data analysis can be used to reduce trial and error , Reduce the cost of wrong decisions , Understand why business is good . And business intelligence will do it all , Automate and simplify as much as possible

Data analysis is just a tool ( A systematic way to analyze problems ), It can be simple or complex .

* A simpler example : Through the analysis, most of the people who buy my products are from Beijing , Beijing is the city where my main consumers live .
* Examples of complex points : The mathematical model is established by using statistical method . I want to start from 100000 Find out from people 100 Customers with high probability of buying my products , We can use the logistic
regression Let's do mathematical modeling to find this group of people .
No matter what your business model looks like , You use math , Using data to prove your hypothesis can be called data analysis . So the profession of Data Analyst , It describes a mathematical method , A person who uses data to prove hypotheses .