Decentralized treatment of SPSS regulatory variables

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

2. In fact, when describing statistics, check the Save option to get a standardized variable. The space is limited. You can take a look at this tutorial. http://jingyan..com/article/9f7e7ec04ee5c56f28155416.html

3. Subtract the mean from each number

4.

If you can't sell it, you can only keep it by yourself. Let's wait for appreciation or take over. Of course, the probability of this happening is very small. If it happens, there may be the following possibilities:

1. China, the United States or the European Union suddenly announced the ban on bitcoin and its circulation

2. Bitcoin exposes fatal weaknesses and defects, which are difficult to overcome, especially security factors

3. Bitcoin has not been used as a killer for a long time, and its application scenarios are strictly limited, so people graally lose information about bitcoin

4. The emergence of a better alternative to bitcoin or the global joint issue of a virtual currency has won global recognition

5.

On June 14, the first native application of blockchain - "Du universe" app was launched online. This is another important action of network in the field of blockchain

it is reported that Du universe is currently recruiting content procers. The earlier you join, the greater the profit. In the future, "Du universe" will also open the third-party developer platform, introce more applications and play methods, complete value transfer and interaction through their own passes, further improve the ecological construction, and better serve users

since 2018, the network has been acting frequently in the field of blockchain. In April, it released the totem of blockchain original image service platform, which adopts the blockchain right registration network independently developed by the network to provide one-stop services for image rights confirmation, monitoring and protection. Then in May, the blockchain network operating system super chain was released. The operating system is compatible with the developer ecology of bitcoin and Ethereum. It can not only plug in and pull out the consensus mechanism to solve the current energy consumption problem, but also support 100000 concurrent transactions in a single chain

6. Standardize the data, find out the mean and variance
analysis description statistics description, and then select "save standardized score as a variable" and confirm to get the processed standardized data, and then cluster, factor and regression analysis can be carried out

7. There are several methods, here are the two most commonly used, one is to subtract the average, one is the Z-score
subtract the average value: first perform a description statistics to get the descriptive statistical results, with the average and standard deviation. Then use the compute command to create a new variable = original variable average
the Z-score is similar to the above result, except that the new variable is divided by the standard deviation to get a score

the question is your description: a variable has multiple items. What does that mean? I can't think of it.

8. Yes, that's right