Standardization

 

Menu location: Data_Transforming and Deriving_Standardization

 

This function saves standardized values of workbook data you select into a new workbook column marked Std. (Method): Name, where Name is the column label of the original data and Method is one of the methods listed below.

 

Three different methods for standardization are provided:

  1. (x - mean) / standard deviation
  2. x / standard deviation
  3. x - mean

Example

Test workbook (Nonparametric worksheet: First Born).

 

Standardizing the following agressivity scores for a sample of firstborn twins using the first method above gives.

 

First Born ---> Std ((x-mean)/SD): First Born 
86 0.7782 
71 -0.9095
77 -0.2344
68 -1.2470
91 1.3408 
72 -0.7970
77 -0.2344
91 1.3408 
70 -1.0220
71 -0.9095
88 1.0033 
87 0.8907 

 

See also: Z scores.

 

 

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