CPDA | how to have data analysis thinking?

CPDA| How to have data analysis thinking ？

Many people are distressed , Learned a lot of data analysis tools and skills , Still not good at data analysis , Business problems , Often feel unable to start .

Generally speaking , People without data analysis thinking often have the following 3 Symptoms ：

Symptom one

No sense of data analysis . They often say “ I think ”“ I feel ”“ In my submission ”.

Symptom two

Statistical data analysis . Manifested as ： Made a lot of charts , But I can't find the problems in the business .

Symptom three

Only use tool data analysis . Manifested as ： I learned a lot of tools at ordinary times （Excel、SQL perhaps Python etc. ）, Talking about the skills of using tools is clear , But face the problem , Still can't analyze .

that , How to have data analysis thinking ？

Actually , The essence of having data analysis thinking is to master common analysis methods . Master the common analysis methods , Then sort out the scattered ideas into organized analytical ideas , In this way, we have the thinking of data analysis . Have data analysis thinking , A simple summary is to solve the problem according to the following steps ：

The first 1 Step ： Clarify the problem

By observing the phenomenon , Define the problem clearly , This is the first step of data analysis 1 Step . Only clear the problem , In order to carry out the following analysis around this problem . If the definition of the problem is wrong at the beginning , How can I analyze it , It's also a waste of time .

The first 2 Step ： The analysis reason

This step is to analyze the cause of the problem , The reason can be clarified through the following two questions ： What's wrong ？ Why does this happen ？ The specific analysis steps are as follows ：1） Use “ Multi dimensional analysis method ” Disassemble the problem , Refine a complex problem into sub problems ;2） For each part of the disassembly , Use “ Hypothesis test analysis method ” Find out what went wrong . The process of analysis can be “ Comparative analysis method ” And other analysis methods to assist in the completion of ;3） After finding out what went wrong , You can ask more “ Why is this problem ”, And then use “ Correlation analysis method ” Conduct in-depth analysis .

The first 3 Step ： offer a proposal

Find the reason and it's over ？ Not yet , Finding the corresponding method is the end point of the analysis . therefore , After finding out the reason , And give suggestions for the reasons , Or propose solutions that can be implemented . At the decision-making stage , The common analysis methods are regression analysis or AARRR analysis .