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JohnBarnes
JohnBarnes
2/6/2017 9:41:03 AM
User Rank
Platinum
Re: Because distributions matter
Hey, no blame here, Adi! I was just bringing up the math end of things because

1) I'm a big-data, statistics geek, and it seemed like a highly relevant point that was jumping out of the numbers, and

2) Distributions really do matter, often much more than aggregate or summary numbers, and far too many people on the biz/mgt side just don't seem to get that, probably because it means actually getting in there and looking at the data rather than just looking at a final number. "The bottom line" is often the slogan of hard-headed practical people, but it is at least as often the slogan of bone-headed people who want to go to lunch early.

Just my chance to piggy-back a favorite sermon onto your always-excellent reporting.

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Adi
Adi
2/6/2017 5:47:06 AM
User Rank
Author
Re: Because distributions matter
JohnBarnes, mhhf1ve - A valid, and important, criticism. My initial draft did have a paragraph discussing this exact issue with the research approach, but then I went off on a bit off a tangent, and I want to try and keep my posts relatively brief. But this is important, and should at least have been pointed out. 

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batye
batye
2/6/2017 2:17:05 AM
User Rank
Platinum
Re: Because distributions matter
@mhhf1ve interesting I learn math in school long time ago... seems like life time ago... sorry :) 

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mhhf1ve
mhhf1ve
2/6/2017 2:11:56 AM
User Rank
Platinum
Re: Because distributions matter
Ha! Don't put too much faith in "pure math" either -- unless you can explain the Banach-Tarski paradox to me! https://en.m.wikipedia.org/wiki/Banach–Tarski_paradox

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batye
batye
2/6/2017 1:06:43 AM
User Rank
Platinum
Re: Because distributions matter
@mhhf1ve yes, you are right this days anything could be bend and twisted... but pure math based on the true formulas/unbias calculations is the other story...

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mhhf1ve
mhhf1ve
2/6/2017 12:54:46 AM
User Rank
Platinum
Re: Because distributions matter
Math *can* be used for anything, but there's a good reason why people say, "lies, damn lies, and statistics" -- because results can be presented to highlight or ignore parts of reality. And then some people can warp math completely to publish alternative facts....

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batye
batye
2/5/2017 11:31:30 PM
User Rank
Platinum
Re: Because distributions matter
@mhhf1ve interesting to know... from my point of view... math could be used for anything and everything as long as you use right calculations... - how I see it...

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mhhf1ve
mhhf1ve
2/5/2017 2:18:55 AM
User Rank
Platinum
Re: Because distributions matter
The mathematical mean can hide a lot of information. If Bill Gates walks into a bar the average net worth of everyone in the room goes up considerably. I'd never heard of it put in terms of reproductive anatomy....

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JohnBarnes
JohnBarnes
2/5/2017 1:41:58 AM
User Rank
Platinum
Re: Because distributions matter
Mhhf1ve, Yes, exactly. Distributions matter a lot. If you go by strict means the average person has slightly less than one ovary and slightly less than one testicle.

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mhhf1ve
mhhf1ve
2/5/2017 12:48:39 AM
User Rank
Platinum
Re: Because distributions matter
The "greater than 100%" penetration stat reminded me of a similar stat back when pagers were still popular. The penetration of pagers stat figure was oddly high because the people who used them often had many pagers for different purposes. But there were vast numbers of people who never used or owned a pager at all. So the penetration stat was a bit misleading to the casual observer.

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