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medusale

Germany
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Posted - 01/04/2007 :  10:23:23 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Version (Select Help-->About Origin): 7.5G
Operating System: Win XP

Hi ! I want to filter my worksheet with a certain threshold value. If the number in the cell is higher than this threshold value the value should be kept, if it's lower the cell should be left blank.
What's the sign or sysmbol I can use for this blank cell ?
This blank cell should not be treated as a zero or as not existing because I want to calculate the mean of all cells afterwards.
Maybe someone can help with this. Thanks !

Mike Buess

USA
3037 Posts
Posted - 01/04/2007 :  12:05:59 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Origin's symbol for missing value is '--' and the missing value itself is called NANUM...

double test(double x, double dThreshold)
{
return x > dThreshold ? x : NANUM;
}
quote:
This blank cell should not be treated as a zero or as not existing because I want to calculate the mean of all cells afterwards.


Missing values are ignored in most statistical calculations such as Data_sum.

Mike Buess
Origin WebRing Member

Edited by - Mike Buess on 01/04/2007 12:09:15 PM
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medusale

Germany
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Posted - 01/08/2007 :  08:08:58 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Thanks a lot ! I will try this !
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