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	<title>Comments on: Burtin Antibiotic Illustrations</title>
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	<link>http://www.forthgo.com/blog/2009/01/11/burtin-antibiotic-illustrations/</link>
	<description>Code and Recreations of Xan Gregg</description>
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		<title>By: Robert Fripp</title>
		<link>http://www.forthgo.com/blog/2009/01/11/burtin-antibiotic-illustrations/comment-page-1/#comment-6618</link>
		<dc:creator>Robert Fripp</dc:creator>
		<pubDate>Wed, 30 Jun 2010 19:17:26 +0000</pubDate>
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		<description>This note adds background to Xan&#039;s comment about the original Will Burtin chart re. antibiotic effectiveness:

Burtin&#039;s chart ran first in SCOPE, a quarterly magazine produced by the Upjohn Company of Kalamazoo, MI. SCOPE was mailed exclusively to doctors. In 1952 many physicians still worked out of rural offices and often did not regularly receive the latest research information. Upjohn required SCOPE to supply more than data about its own proprietary drugs. This chart accompanied a generic piece.

Describing Burtin&#039;s chart, Xan writes: &quot;It has little communication value except to say &#039;Look how cool I am!&#039; At least all the data is present, so a meticulous reader can get what information he needs.&quot; The second of those sentences is accurate. And it neatly negates the first. 

Sixty years on, with desk-top computers rendering full spectrum color, bear in mind that SCOPE was usually limited to two-color printing, as in this chart.

Robert Fripp
Co-author, &quot;Design and Science: the life and work of Will Burtin&quot;
and, full disclosure, his son-in-law.
Published by Lund-Humphries, London; Ashgate, N.Y., (2007)</description>
		<content:encoded><![CDATA[<p>This note adds background to Xan&#8217;s comment about the original Will Burtin chart re. antibiotic effectiveness:</p>
<p>Burtin&#8217;s chart ran first in SCOPE, a quarterly magazine produced by the Upjohn Company of Kalamazoo, MI. SCOPE was mailed exclusively to doctors. In 1952 many physicians still worked out of rural offices and often did not regularly receive the latest research information. Upjohn required SCOPE to supply more than data about its own proprietary drugs. This chart accompanied a generic piece.</p>
<p>Describing Burtin&#8217;s chart, Xan writes: &#8220;It has little communication value except to say &#8216;Look how cool I am!&#8217; At least all the data is present, so a meticulous reader can get what information he needs.&#8221; The second of those sentences is accurate. And it neatly negates the first. </p>
<p>Sixty years on, with desk-top computers rendering full spectrum color, bear in mind that SCOPE was usually limited to two-color printing, as in this chart.</p>
<p>Robert Fripp<br />
Co-author, &#8220;Design and Science: the life and work of Will Burtin&#8221;<br />
and, full disclosure, his son-in-law.<br />
Published by Lund-Humphries, London; Ashgate, N.Y., (2007)</p>
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		<title>By: xan</title>
		<link>http://www.forthgo.com/blog/2009/01/11/burtin-antibiotic-illustrations/comment-page-1/#comment-6371</link>
		<dc:creator>xan</dc:creator>
		<pubDate>Thu, 29 Jan 2009 23:24:11 +0000</pubDate>
		<guid isPermaLink="false">http://www.forthgo.com/blog/?p=295#comment-6371</guid>
		<description>Nikhil, Thanks for sharing your class assignments. Some are quite creative. It would be interesting to see a similar exercise done at the end of the semester.</description>
		<content:encoded><![CDATA[<p>Nikhil, Thanks for sharing your class assignments. Some are quite creative. It would be interesting to see a similar exercise done at the end of the semester.</p>
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	<item>
		<title>By: xan</title>
		<link>http://www.forthgo.com/blog/2009/01/11/burtin-antibiotic-illustrations/comment-page-1/#comment-6370</link>
		<dc:creator>xan</dc:creator>
		<pubDate>Thu, 29 Jan 2009 23:22:55 +0000</pubDate>
		<guid isPermaLink="false">http://www.forthgo.com/blog/?p=295#comment-6370</guid>
		<description>Thanks for the feedback, Dave. Good idea on making the staining be an X variable to get two columns of markers. It&#039;s usually best to avoid duplication (by indicating the staining by both color and position), but I tried your idea and I think it the duplication adds emphasis to the message.

I made the entry in Graph Builder, which was new in JMP 8. First I had to &quot;stack&quot; the three antibiotics columns into a single column with three levels. Then I used that as a grouping variable. The basic script was 

Graph Builder(
	Show Control Panel( 0 ),
	Variables( Y( :MIC ), Group X( :Antibiotic ) ),
	Elements( Points( Y, Legend( 2 ), Jitter( 1 ) ) ));

But that doesn&#039;t include the log scale customization or the dose line customizations.</description>
		<content:encoded><![CDATA[<p>Thanks for the feedback, Dave. Good idea on making the staining be an X variable to get two columns of markers. It&#8217;s usually best to avoid duplication (by indicating the staining by both color and position), but I tried your idea and I think it the duplication adds emphasis to the message.</p>
<p>I made the entry in Graph Builder, which was new in JMP 8. First I had to &#8220;stack&#8221; the three antibiotics columns into a single column with three levels. Then I used that as a grouping variable. The basic script was </p>
<p>Graph Builder(<br />
	Show Control Panel( 0 ),<br />
	Variables( Y( :MIC ), Group X( :Antibiotic ) ),<br />
	Elements( Points( Y, Legend( 2 ), Jitter( 1 ) ) ));</p>
<p>But that doesn&#8217;t include the log scale customization or the dose line customizations.</p>
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		<title>By: DaveG</title>
		<link>http://www.forthgo.com/blog/2009/01/11/burtin-antibiotic-illustrations/comment-page-1/#comment-6369</link>
		<dc:creator>DaveG</dc:creator>
		<pubDate>Thu, 29 Jan 2009 07:37:25 +0000</pubDate>
		<guid isPermaLink="false">http://www.forthgo.com/blog/?p=295#comment-6369</guid>
		<description>I had a go at this at home with JMP and it did a nice cell plot (heat map) split by gram status and antibiotic. 
But I wanted to says liked I like your submitted plot best. On the plots I did I reversed the scale so the measure is related to &#039;antibiotic effectiveness&#039; but I think you are right - the crucial questions are: 
which antibiotic to choose?
what dose to give?

For this I would add something like a 90% or 95% quantile as the line in your diagram so x% of bacteria have a MIC below that, then the Dr can chose  accordingly, given knowledge or ignorance of the gram status of the infection.

In your diagram it is unclear what the horizontal lines are,
I think I would try putting the gram neg &amp; positive status bacteria in separate columns within the boxes.

If you used JMP for these plots would you consider publishing the code?
I am just learning it and looking for good worked exercises .-)

Dave</description>
		<content:encoded><![CDATA[<p>I had a go at this at home with JMP and it did a nice cell plot (heat map) split by gram status and antibiotic.<br />
But I wanted to says liked I like your submitted plot best. On the plots I did I reversed the scale so the measure is related to &#8216;antibiotic effectiveness&#8217; but I think you are right &#8211; the crucial questions are:<br />
which antibiotic to choose?<br />
what dose to give?</p>
<p>For this I would add something like a 90% or 95% quantile as the line in your diagram so x% of bacteria have a MIC below that, then the Dr can chose  accordingly, given knowledge or ignorance of the gram status of the infection.</p>
<p>In your diagram it is unclear what the horizontal lines are,<br />
I think I would try putting the gram neg &amp; positive status bacteria in separate columns within the boxes.</p>
<p>If you used JMP for these plots would you consider publishing the code?<br />
I am just learning it and looking for good worked exercises .-)</p>
<p>Dave</p>
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		<title>By: nikhil</title>
		<link>http://www.forthgo.com/blog/2009/01/11/burtin-antibiotic-illustrations/comment-page-1/#comment-6367</link>
		<dc:creator>nikhil</dc:creator>
		<pubDate>Sun, 18 Jan 2009 22:03:02 +0000</pubDate>
		<guid isPermaLink="false">http://www.forthgo.com/blog/?p=295#comment-6367</guid>
		<description>pretty cool visualizations!

Data Visualization course at Stanford also worked on the same visualization as an assignment, you can find the submissions here - https://graphics.stanford.edu/wikis/cs448b-09-winter/Assignment1

:)</description>
		<content:encoded><![CDATA[<p>pretty cool visualizations!</p>
<p>Data Visualization course at Stanford also worked on the same visualization as an assignment, you can find the submissions here &#8211; <a href="https://graphics.stanford.edu/wikis/cs448b-09-winter/Assignment1" rel="nofollow">https://graphics.stanford.edu/wikis/cs448b-09-winter/Assignment1</a></p>
<p> <img src='http://www.forthgo.com/blog/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> </p>
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