Different positive/negative error valuesby zhermes Tags: error bars, standard deviation, statistics 

#1
Nov2110, 11:41 PM

P: 1,262

If you have some distribution, the standard deviation is defined as symmetric about the mean; what measure do people use for different positive and negative error values?




#2
Nov2210, 08:16 AM

P: 32

What do you mean? Why can't you use standard deviation?




#3
Nov2210, 09:14 AM

Math
Emeritus
Sci Advisor
Thanks
PF Gold
P: 38,896

What is it, exactly, that you are trying to measure?



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