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Howdy, pilgrim! No ads — you're in the ^zhurnal (that's Russian for "journal") — see ZhurnalyWiki for a Wiki edition of individual items; see Zhurnal and Zhurnaly for quick clues as to what this is all about; see Random for a random page. Briefly, this is the diary of ^z = Mark Zimmermann ... previous volume = 0.9933 ... complete list at bottom of page ... send comments & suggestions to "z (at) his (dot) com" ... click on a title link to go to that item in the ZhurnalyWiki where you can edit or comment on it ... thank you!



Mantra - Gently, Gently, Gently

Gently,
  Gently,
    Gently

... and as Bhante Henepola Gunaratana says:

... Mindfulness is cultivated by a gentle effort, by effortless effort. You cultivate mindfulness by constantly reminding yourself in a gentle way to maintain your awareness of whatever is happening right now. Persistence and a light touch are the secrets. Mindfulness is cultivated by constantly pulling oneself back to a state of awareness, gently, gently, gently. ...

(cf Gently, Gently, Gently in Mindfulness in Plain English, Chapter 14 "Mindfulness versus Concentration", ...)

- Wednesday, September 19, 2018 at 04:29:21 (EDT)


2018-08-26 - Scooby-Doo

~8.9 mi @ ~15.0 min/mi

"Ruh-Roh!" Barry translates Scooby-Doo dialect for clueless Roadkill. (Uh-Oh!) A speedy 3-year-old kid, chased by his hound, leads us along a narrow trail through the woods near Rock Creek. His father lags far behind shouting, "Romeo, Romeo!" as we add a bit of bonus mileage after a loop around Chevy Chase with Gayatri. On the way to rendezvous, pause for pics of Hello Kitty "Baby on Board" car decals. Give thanks for dawn, for friends, for beauty, for health.

(trackfile)

- Tuesday, September 18, 2018 at 05:31:15 (EDT)


2018-08-25 - Only Cups

~11.5 mi @ ~14 min/mi

"I'm hungry and they have no food in the house, only cups!" and "I do everything and you do nothing!" Cait and K2 recount complaints by exhausted little kids having meltdowns. Life is so tough sometimes! We join Santa, Ken, and Barry for part of a cool Saturday morning ramble. Plans take shape for the Disney Dopey Challenge race series in January. "What's your favorite Disney movie?" Roadkill names "Fight Club", and vows to be more adventurous, more open, more accepting. He dashes across a street to photograph wall art in downtown Bethesda.

"I started crying within the first 3 minutes and completely lost it by the end!" The new Mr Rogers movie, "Won't You Be My Neighbor", is reviewed and recommended. (Quick, buy stock in tissue companies!) At the opposite end of the nice-naughty spectrum, "DTF" is defined for the more innocent Dawn Patrol members in the context of OkCupid's recent ad campaign. (If you don't know, don't ask!)

"My neighbor's father was her Captain!" The USS Torsk is now a museum submarine in Baltimore's Inner Harbor; K2 saw it and, last weekend, so did Cait's family. Small world! Runkeeper's GPS glitches wildly during the journey through the Dalecarlia tunnel and awards us a bonus 2-minute mile.

(trackfile)

- Monday, September 17, 2018 at 05:36:32 (EDT)


Causal Inference in Statistics

Heavy going, marred pedagogically by poor choice of notation, too many typographical errors, and overly-complex examples — yet nonetheless Causal Inference in Statistics: A Primer by Judea Pearl, Madelyn Glymour, and Nicholas Jewell offers an introductory glimpse of how to think about cause and not just correlation in collections of data. Bayesian graphs are Giant Step #1, and midway through the journey, a glimpse:

...There is a powerful symbolic machinery, called the do-calculus, that allows analysis of such intricate structures. In fact, the do-calculus uncovers all causal effects that can be identified from a given graph. Unfortunately, it is beyond the scope of this book ...

Perhaps there's a gentler pre-primer introduction to this topic? Perhaps it is yet to be written? Or perhaps Robert Tucci's 2013 "Introduction to Judea Pearl's Do-Calculus" is one such gateway, as recommended by Ferenc Huszár's "ML beyond Curve Fitting: An Intro to Causal Inference and do-Calculus" earlier this year?

(cf Statistics - A Bayesian Perspective (2010-08-13), Introduction to Bayesian Statistics (2010-11-20), Doing Bayesian Data Analysis (2013-11-02), Probability Theory, the Logic of Science (2013-11-18), Statistical Hypothesis Inference Testing (2013-12-01), ...)

- Sunday, September 16, 2018 at 13:36:34 (EDT)


2018-08-24 - Cheetos, Chipwich, Sponge Bob

~5.4 mi @ ~14.2 min/mi

"No backsies!" calls K-Rex, when Roadkill tries to retract the word "walk" that, by Dawn Patrol Rule #7, mandates a walk-break. An amazingly cool August morning demands a long ramble. A beer truck makes a super-wide turn that rolls wheels all across the sidewalk.

"Cheetos, Chipwich, or Sponge Bob?" At a gas station convenience store we pause and, to the clerk's amusement, ponder the broad spectrum of salty, sugary, and icy snacks. A Marshall HS five-star logo calls for a selfie. Animal statues adorn a tiny fenced-in parking lot. Fragrant roses bloom. Drs K&K drop sad Roadkill off at a Metro station (alas, he has early meetings) and continue, GPS-less, for another dozen+ miles of adventure and fellowship.

(trackfile)

- Saturday, September 15, 2018 at 04:35:47 (EDT)


2018-08-22 - Mudslide

~4.2 mi @ ~12.3 min/mi

"!!!!" Slip-skitter-slithering on a surprise layer of mud, in the dark, crossing under-construction Old Dominion Drive, startled Dawn Patrol members somehow manage not to fall, pause to catch breath, let pounding hearts recover. "Did you take ballet in your youth?" - "No, did you?" - "Maybe T'ai Chi helps balance?" - "Maybe we're just lucky!" We ramble to Starbucks for iced coffee. Trail talk suggests moving family time and self-care higher up on the list of priorities. There's great thankfulness for friendship, sharing-without-judging, and domestic peace as anniversaries loom. Sometimes it's vital just to say, "Yes, Dear!"

"Let's walk when we reach that ..." - "Too late, I heard the word 'walk' and I'm walking already!" Maybe alien-syntax verbs to the end of sentences moved should used be? K2 begins a psyop to get Roadkill to run the Disney Dopey Challenge in January 2019. Perhaps he should take his own advice and say "Yes, and...?"

(trackfile)

- Friday, September 14, 2018 at 04:37:28 (EDT)



For back issues of the ^zhurnal see Volumes v.01 (April-May 1999), v.02 (May-July 1999), v.03 (July-September 1999), v.04 (September-November 1999), v.05 (November 1999 - January 2000), v.06 (January-March 2000), v.07 (March-May 2000), v.08 (May-June 2000), v.09 (June-July 2000), v.10 (August-October 2000), v.11 (October-December 2000), v.12 (December 2000 - February 2001), v.13 (February-April 2001), v.14 (April-June 2001), 0.15 (June-August 2001), 0.16 (August-September 2001), 0.17 (September-November 2001), 0.18 (November-December 2001), 0.19 (December 2001 - February 2002), 0.20 (February-April 2002), 0.21 (April-May 2002), 0.22 (May-July 2002), 0.23 (July-September 2002), 0.24 (September-October 2002), 0.25 (October-November 2002), 0.26 (November 2002 - January 2003), 0.27 (January-February 2003), 0.28 (February-April 2003), 0.29 (April-June 2003), 0.30 (June-July 2003), 0.31 (July-September 2003), 0.32 (September-October 2003), 0.33 (October-November 2003), 0.34 (November 2003 - January 2004), 0.35 (January-February 2004), 0.36 (February-March 2004), 0.37 (March-April 2004), 0.38 (April-June 2004), 0.39 (June-July 2004), 0.40 (July-August 2004), 0.41 (August-September 2004), 0.42 (September-November 2004), 0.43 (November-December 2004), 0.44 (December 2004 - February 2005), 0.45 (February-March 2005), 0.46 (March-May 2005), 0.47 (May-June 2005), 0.48 (June-August 2005), 0.49 (August-September 2005), 0.50 (September-November 2005), 0.51 (November 2005 - January 2006), 0.52 (January-February 2006), 0.53 (February-April 2006), 0.54 (April-June 2006), 0.55 (June-July 2006), 0.56 (July-September 2006), 0.57 (September-November 2006), 0.58 (November-December 2006), 0.59 (December 2006 - February 2007), 0.60 (February-May 2007), 0.61 (April-May 2007), 0.62 (May-July 2007), 0.63 (July-September 2007), 0.64 (September-November 2007), 0.65 (November 2007 - January 2008), 0.66 (January-March 2008), 0.67 (March-April 2008), 0.68 (April-June 2008), 0.69 (July-August 2008), 0.70 (August-September 2008), 0.71 (September-October 2008), 0.72 (October-November 2008), 0.73 (November 2008 - January 2009), 0.74 (January-February 2009), 0.75 (February-April 2009), 0.76 (April-June 2009), 0.77 (June-August 2009), 0.78 (August-September 2009), 0.79 (September-November 2009), 0.80 (November-December 2009), 0.81 (December 2009 - February 2010), 0.82 (February-April 2010), 0.83 (April-May 2010), 0.84 (May-July 2010), 0.85 (July-September 2010), 0.86 (September-October 2010), 0.87 (October-December 2010), 0.88 (December 2010 - February 2011), 0.89 (February-April 2011), 0.90 (April-June 2011), 0.91 (June-August 2011), 0.92 (August-October 2011), 0.93 (October-December 2011), 0.94 (December 2011-January 2012), 0.95 (January-March 2012), 0.96 (March-April 2012), 0.97 (April-June 2012), 0.98 (June-September 2012), 0.99 (September-November 2012), 0.9901 (November-December 2012), 0.9902 (December 2012-February 2013), 0.9903 (February-March 2013), 0.9904 (March-May 2013), 0.9905 (May-July 2013), 0.9906 (July-September 2013), 0.9907 (September-October 2013), 0.9908 (October-December 2013), 0.9909 (December 2013-February 2014), 0.9910 (February-May 2014), 0.9911 (May-July 2014), 0.9912 (July-August 2014), 0.9913 (August-October 2014), 0.9914 (November 2014-January 2015), 0.9915 (January-April 2015), 0.9916 (April-July 2015), 0.9917 (July-September 2015), 0.9918 (September-November 2015), 0.9919 (November 2015-January 2016), 0.9920 (January-April 2016), 0.9921 (April-June 2016), 0.9922 (June-July 2016), 0.9923 (July-September 2016), 0.9924 (October-December 2016), 0.9925 (January-February 2017), 0.9926 (March-April 2017), 0.9927 (May-June 2017), 0.9928 (June-October 2017), 0.9929 (October-December 2017), 0.9930 (December 2017-March 2018), 0.9931 (March-April 2018), 0.9932 (May-July 2018), 0.9933 (July-September 2018), ... Current Volume. Send comments and suggestions to z (at) his.com. Thank you! (Copyright © 1999-2018 by Mark Zimmermann.)


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