Calculating sum of square for each column

Teja_Varanasi

This is what I want to implement in my columns.

     A   B   C   D
I    5    1    3   1
J   6    3    2   7
K  6    0    1   7
L  4    2     5   1 

I want to implement this formula for each column
    
                                         
I have created a loop attribute, and inside generate attribute. But dont know about the formula for . Can somebody tell me how to do that? New to this rapidminer. 

Thanks in advance.

Caperez

Hi @Teja_Varanasi, 

This problem is similar to the other one that I answered today, 

Attached is a process file for this kind of problem approximation.

Best, 

Cesar