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Subject: Re: [office] Proposal: Error bar category standard-error

"Standard error (standard deviation of the mean) of a data series assuming an equal distribution"

I believe "assuming a normal distribution" is the typical wording.  In that case the standard error =  StandardDeviation/Sqrt(N)


Rob Weir
Software Architect
Workplace, Portal and Collaboration Software
IBM Software Group

email: robert_weir@us.ibm.com
phone: 1-978-399-7122

Michael Brauer - Sun Germany - ham02 - Hamburg <Michael.Brauer@Sun.COM>
Sent by: Michael.Brauer@Sun.COM

02/01/2008 07:51 AM

[office] Proposal: Error bar category standard-error


while implementing the ODF 1.2 enhancements for the error category of
business charts, OOo Chart's developer Björn Milcke noticed that one
value in the "choice" for the chart:error-category is missing: the
standard-error. It's a reasonable value, that some applications do
support already.

He therefore proposed the following small enhancement:

In chapter "16.33.2 Error Category" add the following value to the
choices for the error-category:


* Standard error (standard deviation of the mean) of a data series
 assuming an equal distribution


<define name="style-chart-properties-attlist" combine="interleave">
  <attribute name="chart:error-category" a:defaultValue="none">
* new * <value>standard-error</value>

Best regards


Michael Brauer, Technical Architect Software Engineering
Sun Microsystems GmbH             Nagelsweg 55
D-20097 Hamburg, Germany          michael.brauer@sun.com
http://sun.com/staroffice         +49 40 23646 500

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