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 why the mean and SD cann¡¯t be directly gotten £¿		  New Topic  Reply to Topic
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hbchh

China
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Posted - 12/15/2004 :  04:40:31 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
when we plot a line and error bar£¬we must get the mean and SD from a group of dates by manually calculating or using some softwares.How can the mean and SD be directly gotten on the plot £¿

Mike Buess

USA
3037 Posts
Posted - 12/15/2004 :  08:53:41 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
If your graph contains more than one plot make sure the one representing your line is active. (Checked dataset on Data menu.) Then do this in the script window...

sum(%C);
sum.mean=;
SUM.MEAN=mean // Origin responds with the mean value
sum.sd=;
SUM.SD=SD // Origin responds with the SD

Mike Buess
Origin WebRing Member
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