Decentralization of original variables

1. According to Hou Jietai: the so-called centralization refers to subtracting the mean value of a variable from its expected value. For sample data, each observation value of a variable is subtracted from the sample average value of the variable, and the transformed variable is centralized
for your question, subtract the mean from each measurement.

2. What's gongxinbao? I don't know once about decentralized data trading. Go ahead. Good luck.

3. Based on the first large-scale commercial application developed by gxchain, gongxinbao's decentralized data exchange provides enterprises with a completely different solution from the previous centralized data transaction (such as data middleman and data black market). The typical customers are network loans, automobile finance, consumer finance, Internet banking, Internet banking, Internet banking, Internet Banking, Internet banking, Internet banking, Internet banking, Internet banking, Internet banking, Internet banking, Internet banking, Internet banking, Internet banking, Internet banking, Internet banking, Internet banking, Internet banking, Internet banking, Internet banking, Internet banking Banks and other enterprises, as well as government departments, insurance, medical, logistics and other government and enterprise departments with data exchange needs, have solved many core problems that have not been solved in the data security exchange and circulation of various instries with decentralized thinking. And can be used by the whole society, widely used in citizens' learning, work, life and other application scenarios, let the data release its e value, improve the efficiency of social cooperation.

4. Centralization is to subtract the mean and Z-score is to divide it by the standard deviation. Both of them are centralization methods.

5. Not necessarily, centralization is only for the convenience of explanation, and does not affect the regression coefficients Central treatment of regulatory effect of South Heart Network

6. The more troublesome
needs to understand the theory

7. Correlation analysis uses raw data

8. Yes, that's right