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majority voting [message #65079]

Wed, 11 February 2009 08:14

Mort Canty
Messages: 134
Registered: March 2003

Senior Member

Hi all,

Given a 2-D array such as

0 1 1 2 1
0 2 1 1 1
1 0 2 2 1

where the entries are labels, the columns represent items and the rows
are voters, I want a IDL function that returns the majority vote labels.
So here I should get

0 ? 1 2 1

as output, where ? = "don't care". There must _not_ be a loop over
columns. I've got a clumsy solution, but I'm sure there's an elegant one
somewhere?

Cheers,

Mort

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[Message index]

		majority voting By: Mort Canty on Wed, 11 February 2009 08:14
		Re: majority voting By: Allan Whiteford on Fri, 13 February 2009 01:31
		Re: majority voting By: David Fanning on Sat, 14 February 2009 08:44
		Re: majority voting By: JD Smith on Thu, 12 February 2009 14:45
		Re: majority voting By: Foldy Lajos on Thu, 12 February 2009 12:47
		Re: majority voting By: David Fanning on Thu, 12 February 2009 12:11
		Re: majority voting By: pgrigis on Thu, 12 February 2009 11:58
		Re: majority voting By: JD Smith on Thu, 12 February 2009 10:49
		Re: majority voting By: Mort Canty on Thu, 12 February 2009 07:45
		Re: majority voting By: JD Smith on Thu, 12 February 2009 07:08
		Re: majority voting By: David Fanning on Thu, 12 February 2009 05:43
		Re: majority voting By: Allan Whiteford on Thu, 12 February 2009 04:17
		Re: majority voting By: Mort Canty on Thu, 12 February 2009 01:15
		Re: majority voting By: JD Smith on Wed, 11 February 2009 15:20
		Re: majority voting By: ben.bighair on Wed, 11 February 2009 14:03
		Re: majority voting By: Allan Whiteford on Mon, 16 February 2009 04:11

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