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Re: Frustrated by 2 Data Plotting problems [message #76271 is a reply to message #76270]

Fri, 27 May 2011 15:12

Kenneth P. Bowman
Messages: 585
Registered: May 2000

Senior Member

In article <MPG.28499f5233c19a5b9898e0@news.giganews.com>,
David Fanning <news@idlcoyote.com> wrote:

> The people who want to display 4 million points on
> a line plot are the same people who think a line
> plot *is* their data.

Plotting 4M points is not necessarily a dumb thing. A
1000 x 1000 pixel window (quite reasonable on current
displays) is 1M pixels. So plotting 4M points will
result in some overlap, but it might also reveal
patterns in data that are difficult to see with
binned data. In some cases, binning can cause its
own set of perceptual problems. In my experience,
contour plots are much more likely to fool the viewer
than scatter plots.

You do always need to have an awareness of what your
data is and what a particular visualization is showing
you (or hiding from you).

Cheers, Ken

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[Message index]

		Re: Frustrated by 2 Data Plotting problems By: David Fanning on Sat, 28 May 2011 14:45
		Re: Frustrated by 2 Data Plotting problems By: penteado on Sat, 28 May 2011 12:29
		Re: Frustrated by 2 Data Plotting problems By: David Fanning on Sat, 28 May 2011 08:50
		Re: Frustrated by 2 Data Plotting problems By: David Fanning on Sat, 28 May 2011 08:21
		Re: Frustrated by 2 Data Plotting problems By: Kenneth P. Bowman on Sat, 28 May 2011 06:30
		Re: Frustrated by 2 Data Plotting problems By: David Fanning on Fri, 27 May 2011 16:51
		Re: Frustrated by 2 Data Plotting problems By: Kenneth P. Bowman on Fri, 27 May 2011 15:12
		Re: Frustrated by 2 Data Plotting problems By: David Fanning on Fri, 27 May 2011 11:55
		Re: Frustrated by 2 Data Plotting problems By: David Fanning on Fri, 27 May 2011 11:45
		Re: Frustrated by 2 Data Plotting problems By: David Fanning on Fri, 27 May 2011 11:28
		Re: Frustrated by 2 Data Plotting problems By: Paul Van Delst[1] on Fri, 27 May 2011 11:14
		Re: Frustrated by 2 Data Plotting problems By: cgguido on Fri, 27 May 2011 10:08
		Re: Frustrated by 2 Data Plotting problems By: David Fanning on Fri, 27 May 2011 10:06
		Re: Frustrated by 2 Data Plotting problems By: almost_like_a_metapho on Fri, 27 May 2011 09:54
		Re: Frustrated by 2 Data Plotting problems By: David Fanning on Thu, 26 May 2011 16:11
		Re: Frustrated by 2 Data Plotting problems By: David Fanning on Thu, 26 May 2011 16:07
		Re: Frustrated by 2 Data Plotting problems By: cgguido on Thu, 26 May 2011 16:02
		Re: Frustrated by 2 Data Plotting problems By: David Fanning on Thu, 26 May 2011 15:21
		Re: Frustrated by 2 Data Plotting problems By: David Fanning on Thu, 26 May 2011 15:16
		Re: Frustrated by 2 Data Plotting problems By: cgguido on Thu, 26 May 2011 14:46
		Re: Frustrated by 2 Data Plotting problems By: Jeremy Bailin on Thu, 26 May 2011 13:57
		Re: Frustrated by 2 Data Plotting problems By: cgguido on Thu, 26 May 2011 12:54
		Re: Frustrated by 2 Data Plotting problems By: Mark Piper on Wed, 25 May 2011 18:41
		Re: Frustrated by 2 Data Plotting problems By: David Fanning on Wed, 25 May 2011 14:01
		Re: Frustrated by 2 Data Plotting problems By: David Fanning on Wed, 25 May 2011 13:57
		Re: Frustrated by 2 Data Plotting problems By: Kenneth P. Bowman on Wed, 25 May 2011 13:36
		Re: Frustrated by 2 Data Plotting problems By: almost_like_a_metapho on Tue, 31 May 2011 13:30
		Re: Frustrated by 2 Data Plotting problems By: Kenneth P. Bowman on Tue, 31 May 2011 07:36
		Re: Frustrated by 2 Data Plotting problems By: pgrigis on Tue, 31 May 2011 09:28
		Re: Frustrated by 2 Data Plotting problems By: Carsten Lechte on Tue, 31 May 2011 01:46

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