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--></style></head><body lang=EN-US link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt'>George can do it.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:12.0pt;color:black'>From: </span></b><span style='font-size:12.0pt;color:black'>Friam <friam-bounces@redfish.com> on behalf of Nicholas Thompson <thompnickson2@gmail.com><br><b>Date: </b>Sunday, June 15, 2025 at 11:59 AM<br><b>To: </b>The Friday Morning Applied Complexity Coffee Group <friam@redfish.com><br><b>Subject: </b>Re: [FRIAM] Entropy RE-redux<o:p></o:p></span></p></div><div><div><p class=MsoNormal><span style='font-size:11.0pt'>Marcus, <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt'>Thanks for checking in. I think I can safely say that that is a thing I will probably never do, but you have reminded me that I ought to see if somebody has already done it in NetLogo.<o:p></o:p></span></p></div><div style='margin-left:30.0pt'><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt'>I am sorry that my original post was garbled. Here is an ungarbled version:<o:p></o:p></span></p><div style='margin-left:30.0pt'><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p></div><div style='margin-left:30.0pt'><p class=MsoNormal><i><span style='font-size:11.0pt'>Same setup as before. Cylinder with two plungers and a peggable slider at dead center. Lets fill our compartments with bbs of the same volume. Unpeg the divider. Now let's tap on the two opposite plungers with a series of blows of the same average magnitude but differen</span></i><span style='font-size:11.0pt'>t skew<i> in the distribution of magnitudes: a normal distribution for the left half, and a highly positive skewed distribution on the right. Will the divider move? </i><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt'>As I think about it, I begin to wonder what is the best measure of central tendency to use in making a prediction. Am I correct that if it is the arithmatic mean, the barrier does not move, and if it is the root mean square, it does? How on earth would I decide which measure to move; I suppose we could look and see what happens to the bbs. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt'>Nick<o:p></o:p></span></p></div></div><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p><div><div><p class=MsoNormal><span style='font-size:11.0pt'>On Sun, Jun 15, 2025 at 1:25 PM Marcus Daniels <<a href="mailto:marcus@snoutfarm.com">marcus@snoutfarm.com</a>> wrote:<o:p></o:p></span></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'>Can you make this more fun and ask George or your favorite virtual correspondent for a Python or Mathematica implementation? Then we’d have something definite to debug.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'> <o:p></o:p></span></p><div style='border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0in 0in 0in;border-color:currentcolor currentcolor'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:11.0pt'>From:</span></b><span style='font-size:11.0pt'> Friam <<a href="mailto:friam-bounces@redfish.com">friam-bounces@redfish.com</a>> <b>On Behalf Of </b>Nicholas Thompson<br><b>Sent:</b> Sunday, June 15, 2025 8:27 AM<br><b>To:</b> The Friday Morning Applied Complexity Coffee Group <<a href="mailto:friam@redfish.com">friam@redfish.com</a>><br><b>Subject:</b> [FRIAM] Entropy RE-redux<o:p></o:p></span></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'> <o:p></o:p></span></p><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'>Same setup as before. Cylinder with two plungers and a peggable slider at dead center. Lets fill our compartments with bbs of the same volume. Unpeg the divider. Now lets tap on the two opposite plungers with a series of blows of the same average magnitude but different but different positive skew in the distribution of magnitudes. Will the divider move?<o:p></o:p></span></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'>-- <o:p></o:p></span></p><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'>Nicholas S. Thompson<o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'>Emeritus Professor of Psychology and Ethology<o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'>Clark University<o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'><a href="mailto:nthompson@clarku.edu">nthompson@clarku.edu</a><o:p></o:p></span></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'><a href="https://wordpress.clarku.edu/nthompson">https://wordpress.clarku.edu/nthompson</a><o:p></o:p></span></p></div></div></div></div></div></div><p class=MsoNormal><span style='font-size:11.0pt'>.- .-.. .-.. / ..-. --- --- - . .-. ... / .- .-. . / .-- .-. --- -. --. / ... --- -- . / .- .-. . / ..- ... . ..-. ..- .-..<br>FRIAM Applied Complexity Group listserv<br>Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom <a href="https://bit.ly/virtualfriam">https://bit.ly/virtualfriam</a><br>to (un)subscribe <a href="http://redfish.com/mailman/listinfo/friam_redfish.com">http://redfish.com/mailman/listinfo/friam_redfish.com</a><br>FRIAM-COMIC <a href="http://friam-comic.blogspot.com/">http://friam-comic.blogspot.com/</a><br>archives: 5/2017 thru present <a href="https://redfish.com/pipermail/friam_redfish.com/">https://redfish.com/pipermail/friam_redfish.com/</a><br> 1/2003 thru 6/2021 <a href="http://friam.383.s1.nabble.com/">http://friam.383.s1.nabble.com/</a><o:p></o:p></span></p></div></blockquote></div><div><p class=MsoNormal><span style='font-size:11.0pt'><br clear=all><o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt'><br><span class=gmailsignatureprefix>-- </span><o:p></o:p></span></p><div><div><div><p class=MsoNormal><span style='font-size:11.0pt'>Nicholas S. Thompson<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt'>Emeritus Professor of Psychology and Ethology<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt'>Clark University<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt'><a href="mailto:nthompson@clarku.edu">nthompson@clarku.edu</a><o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt'><a href="https://wordpress.clarku.edu/nthompson">https://wordpress.clarku.edu/nthompson</a><o:p></o:p></span></p></div></div></div></body></html>