Basic operation of SPSS (3)--collation of data materials

In the actual work, often need to collate the data obtained, so that it meets the specific analysis needs, the following describes the data collation of SPSS some of the functions.

1. Weighted case
Weighted cases refer to the different weights given to different cases to change the importance of the case in the analysis. Why did you do it? For example, some of the original data of each row represents a case, in the actual analysis, usually organized into a list of tables or frequency table, that is, to add a frequency variable, the repetition of the value of the case to count, so after finishing the data content will be much easier, but if the direct use of the words are not, because the number of different values result in different weights, so a weighted process is required.
The weighted case of SPSS in the Data menu weighted case process, the operation is very simple.

2. Subtotals
The former said that the original data into the form of frequency tables, can be achieved through the classification summary, but the SUBTOTAL function can not only be summarized according to the frequency, there are more rich other functions, in the Data menu of the subtotal process can be manipulated

Basic operation of SPSS (3)--collation of data materials