After data centralization with SPSS, how to see the mean and standard deviation
Why should we look at it? After data centralization, the mean value should be 0 and the standard deviation should be 1
If you want to see it, you can still use analyze -- descriptive statistics --- descriptions
After K-means clustering analysis in SPSS, the standard deviation and mean value of each class were calculated?
Use the analyze menu - compare means - means command and click options. You can choose what you want
Sigma symbol
----------nn
Total cost = ∑∑ lijcijdij
i=1,j=1
Lij = number of moves from sector I to sector J
CIJ = transportation cost per unit of movement from department I to department J
DIJ = distance from sector I to sector J
N = number of departments
Question: what is the meaning of two sigma linked together? Please explain how to calculate this formula according to the above words. Thank you! Please accept the small score! ^ ^ (n is on sigma ~)
Because there are two parameters I and j, and both of them are accumulated from 1, so we need two sigma