CPDA | how to start the growth path of data analysts?

With the arrival of the era of big data economy , All walks of life are faced with a large number of data to be analyzed , Data analysis is required for every job , Many small partners want to become professional data analysts , So how to start the growth of data analysts ？
First , Want to be a data analyst , Need to know the necessary professional knowledge and skills of data analysts , And then according to the content that needs to be learned, learn and master it bit by bit .

Start to improve your knowledge system , This is also the beginning of the real introduction , You can learn from the following ：

1、 Basic computer knowledge and statistical knowledge

mathematics / Knowledge of Statistics
Some basic mathematical statistical methods such as descriptive statistics 、 Multivariate statistical analysis 、 Regression analysis, etc , The importance is self-evident . Data mining knowledge ： variance analysis 、 regression analysis 、 Factor analysis 、 Cluster analysis and so on .
Visual tools for data analysis
Data analysis visualization tools are very broad . first Excel, Small and medium-sized companies are very dependent on , Proficient in using PivotTable , This is a necessary skill . Large and medium-sized companies use reporting tools or BI To make a report .

2、 professional knowledge

Data analysts have to deal with all businesses of the company , Therefore, we should have a deep understanding of the business knowledge of each department .
A business leader needs to know a certain indicator , You need to know what data this indicator consists of ?
What is the caliber of data statistics ？
How to get the data ？
What is the significance of this indicator for the industry , What kind of situation corresponds to what kind of range , Good or bad .
Then slowly explore the multi-dimensional law at the indicator level , How to set the most reasonable .