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 normalize to display two dataset in one graph		  New Topic  Reply to Topic
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Ray111

Israel
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Posted - 06/08/2005 :  01:50:10 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hi

I have two graph (and dataset) that have same x axis while y axis is different ( say 1000 and 5000).

How I can display both of them in same graph using Labtalk. (origin 6.1)
( i,e I want Normalize 1st one wrt 2nd one )

I dont mind to normalize the first one ( say multiply y axix of 1st by 5 to fit inside the same 5000 axis)

azazell0

Hungary
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Posted - 06/08/2005 :  05:08:24 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

It seems you don't need to normalize anything. You should add a linked layer with a new Y axis to your existing (and active) graph:

layer -n Y;

On setting scale values consult the Layer.Axis object help.

Edited by - azazell0 on 06/08/2005 06:50:02 AM
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Mike Buess

USA
3037 Posts
Posted - 06/08/2005 :  11:28:07 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Here's an easy way to plot both curves in the same layer. It adds the curve from Graph2 to Graph1 and normalizes it to the first curve in Graph1. Note: this actually changes the Y values of the second curve so azaell0's solution might be preferable.

win -a Graph2; // activate Graph2
%A=%C; // find the name of active curve
win -a Graph1; // activate Graph1
sum(%C); // basic stats on active curve
norm=sum.max; // max of first curve
sum(%A); // basic stats on second curve
norm/=sum.max; // divide norm by max
(%A)*=norm; // normalize second curve
lay -i %A; // add it to Graph1

Mike Buess
Origin WebRing Member

Edited by - Mike Buess on 06/08/2005 11:36:37 AM
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Ray111

Israel
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Posted - 06/08/2005 :  3:14:32 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
azazell0 and Mike thanks a lot for perfect tips.
really appreciated.

Mike I really liked the script.
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