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Z-Score Normalization (Data Mining)

Last modified on December 9th, 2018 at 9:21 pm

Z-Score Normalization – (Data Mining)

Z-Score helps in normalization of data.

How to calculate Z-Score of the following data?

marks

8
10
15
20  
z score normalization standard deviation
Figure: z score normalization standard deviation

Mean = 13.25

Standard deviation = 5.37

z score normaliation data mining
Figure: z score normalization data mining

marks

marks after z-score normalization

8-1.14
10-0.7
150.3
201.4

 

Prof. Fazal Rehman Shamil
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