RE: [xsl] Calculating Averages

["Michael Kay" <michael.h.kay@xxxxxxxxxxxx>]

Getting the topics with the same id is a standard grouping problem: for
example

<xsl:variable name="t" select="//topic[not(id=preceding::topic/id)]"/>

Then it's just:

<xsl:for-each select="$t">
  <xsl:variable name="nz" select="//topic[id=current()/id][score!=0]"/>
  <xsl:value-of select="sum($nz/score) div count($nz/score)"/>
</

Michael Kay
Software AG
home: Michael.H.Kay@xxxxxxxxxxxx
work: Michael.Kay@xxxxxxxxxxxxxx 

> -----Original Message-----
> From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx 
> [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Sendrey, John
> Sent: 26 June 2002 20:58
> To: 'xsl-list@xxxxxxxxxxxxxxxxxxxxxx'
> Subject: [xsl] Calculating Averages
> 
> 
> Just wondering how i could get an average topic score (per 
> topic) where score of 0 are excluded.
> 
> ------
> OUTPUT:
> ------
> <topics>
> 	<topic>
> 		<id>1</id>
> 		<mean>5</mean>
> 	</topic>
> 	<topic>
> 		<id>2</id>
> 		<mean>3.5</mean>
> 	</topic>
> 	<topic>
> 		<id>3</id>
> 		<mean>5</mean>
> 	</topic>
> 	<topic>
> 		<id>4</id>
> 		<mean>5</mean>
> 	</topic>
> </topics>
> -----
> INPUT:
> -----
> .
> .
> .
> <eval>
> 	<id>1</id>
> 	<topics>
> 		<topic>
> 			<id>1</id>
> 			<score>5</score>
> 		</topic>
> 		<topic>
> 			<id>2</id>
> 			<score>4</score>
> 		</topic>
> 		<topic>	
> 			<id>4</id>
> 			<score>5</score>
> 		</topic>
> 	</topics>
> </eval>
> <eval>
> 	<id>5</id>
> 	<topics>
> 		<topic>	
> 			<id>2</id>
> 			<score>3</score>	
> 		</topic>
> 		<topic>	
> 			<id>3</id>
> 			<score>5</score>
> 		</topic>
> 		<topic>
> 			<id>4</id>
> 			<score>0</score>
> 		</topic>
> 	</topics>
> </eval>
> .
> .
> .
> 
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> 


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