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Re: How to obtain running averages for different time scales in IDL? [message #87392 is a reply to message #87388]

Thu, 30 January 2014 10:43

Matthew Argall
Messages: 286
Registered: October 2011

Senior Member

> Can anyone provide me information on how to compute running averages for different time scales for a variable, which is a function of time @ 1 sec resolution?

I do not use the Convol function ever, but you can do it using Smooth().... See Phil Blitzer's answer here:
https://groups.google.com/forum/#!topic/comp.lang.idl-pvwave /rIl0HsZtpGE

Adding to that, look at the EDGE_TRUNCATE keyword in Smooth()

samples_per_second = 1
nSamples = 86400 * samples_per_second
seconds_per_minute = 60

time = findgen(nSamples)
data = randomu(0, nSamples)
data_avg = smooth(data, samples_per_second*seconds_per_minute)

residue = data - data_avg

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[Message index]

		How to obtain running averages for different time scales in IDL? By: atmospheric physics on Thu, 30 January 2014 08:00
		Re: How to obtain running averages for different time scales in IDL? By: Mats Löfdahl on Thu, 30 January 2014 08:23
		Re: How to obtain running averages for different time scales in IDL? By: Matthew Argall on Thu, 30 January 2014 10:43

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