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 How make error bar of y based on repeated x data ?		  New Topic  Reply to Topic
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asd_com

Other
1 Posts
Posted - 05/07/2002 :  05:29:28 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
I have a few set of data x and y,
like:
x y
1 2
1 4
1 6
2 8
2 9
2 6
3 2
4 5
Now How may I draw y vs. x of all points and with error bars of y from min to max values of y on each case of simillar x values?

Is origin capable of doing it fast without adding any column to worksheet?
(Imagine I have a column of x and tens of column y which have repeating values on x!)

Hideo Fujii

USA
1582 Posts
Posted - 05/07/2002 :  11:20:36 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Not sure this satisfies you, or not, but you can try.

1) Sort the worksheet by A(X) as the first key, and B(Y)as the secondary key.
2) Insert a null row between rows wheere the value of A(X) changes.
3) Plot Symbol+Line graph.

In your case, you can plot the following:

A(X) B(Y)
1 2
1 4
1 6
-- --
2 6
2 8
2 9
-- --
3 2
-- --
4 5

Too simplistic?

--Hideo

P.S. Could anybody kindly provide a script or an OriginC code to do above procedure automatically, especially the inserting null rows part?

Edited by - Hideo Fujii on 05/07/2002 14:27:07
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