1. Use SPSS to input relevant data, and then click there to return to the following linearity.

2. Next, a dialog box will pop up, and you need to determine the corresponding dependent variable and independent variable.

3. At this point, open the statistics window and check the * * * linear diagnosis. If there is no problem, continue directly.

4. In this way, after the corresponding results are obtained, the correlation coefficient matrix can be calculated.