comp.lang.idl-pvwave archive: archive

Home » Public Forums » archive » weighted average

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: weighted average [message #86882 is a reply to message #86881]

Tue, 10 December 2013 01:29

Mats Löfdahl
Messages: 263
Registered: January 2012

Senior Member

Den tisdagen den 10:e december 2013 kl. 07:41:37 UTC+1 skrev sid:
> Hello everyone,
>
> I have data set of 800 data points spreaded in 20 years, I have to take six monthly mean of the data set, but I need to take weighted mean. My preference is that , while taking six monthly mean more weightage has to be given to those values which are more in numbers, less weightage to those values which lesser in numbers. How can I do this, is there any idl routine that does this. Please help me out in this regard.
>
> thanking you in advance
>
> sid

weighted_mean = total(data*weights)/total(weights)

Report message to a moderator

[Message index]

		weighted average By: gunvicsin11 on Mon, 09 December 2013 22:41
		Re: weighted average By: Mats Löfdahl on Tue, 10 December 2013 01:29
		Re: weighted average By: Craig Markwardt on Tue, 10 December 2013 08:15

Previous Topic:	Subsetting an Image with Map Coordinates
Next Topic:	cdf2idl, but I need code to WRITE the file

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Fri Oct 10 10:02:32 PDT 2025

Total time taken to generate the page: 1.59763 seconds