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 Heatmap - Transform - Standardize

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T O P I C    R E V I E W
Yoonlab Posted - 05/04/2022 : 12:05:21 PM
Origin Ver. and Service Release (Select Help-->About Origin):
Operating System: Window

I have a question. When I draw a heatmap, I see Heatmap - Transform - Standardize. Then, sometypes of normalized values come out. How are these normalized values calculated? I tried (value-average)/average, but it is not the same. Please let me know.
Column Myl1 has these number 20; 17; 26 ; 67; 44; 39; 46; 20; 14
After Heatmap - Transform - Standardize; -0.7125; -0.88275;
-0.37201; 1.95465; 0.67945; 0.36571; 0.76294; -0.7125;
-1.05299

sean
2   L A T E S T    R E P L I E S    (Newest First)
Yoonlab Posted - 05/04/2022 : 1:30:53 PM
Thanks a lot Chao

sean
ChaoC Posted - 05/04/2022 : 12:52:49 PM
Hi Sean,

Normalize and Standardize are two different methods of rescaling data.
Standardize is calculated by:

Xnew=(X-Xm)/Xsd)

Xnew: Standardized value
X: Value
Xm: The dataset mean
Xsd: The dataset standard deviation

Chao

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