How to get trending line in the graph

Hi,
I am using 10g. I have requirement as the following :
Name Date Metric
I can have bar graph against Date and Metric. My requirement is to have a trending line, so I calculated slope and regression line y=mx+c but I am not getting the right trend line. I can use regr_slope function to create a view in rpd but it doesnt support date values. Can you guys let me know how to get trending line like same in Excel.
Thanks

Hi,
It's better to do at UI level.
Can you please check the below link:
http://kpipartners.blogspot.in/2009/04/linear-regression.html
Hope this helps.
Thanks,
Pramod.

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