Look at the barrel link, in that case: I'll send you a sketch off-list
--dave
On 2021-08-19 5:17 p.m., Kenneth Porter wrote:
--On Thursday, August 19, 2021 2:50 PM -0400 Dave Collier-Brown
<[email protected]> wrote:
I can't actually draw a picture of it here, but there's a good way to
show multiple limiting factor graphically. One is with a bucket,
http://www.imthird.org/the-limiting-factor-concept, but for comparisons
I like a simpler one
For an example, imagine a large letter "Y" with the stem labelled
"throughput", one arm labelled "latency" and the other "RPM". There's a
dotted-line circle drawn over it so that the two arms touch the circle,
and the stem sticks out through it.
The diameter of the circle is the "goodness" of the connection, and you
can line up diagrams like this for Bell, Rogers and Telus and see that
they all have fine throughput but lousy latency and RPM. And it extends
to multiple dimensions as well as multiple suppliers, so you could have
a five-legged Y if you wanted. I like three, myself.
I first saw this used for nutrients in the first edition of "Diet for a
Small Planet", but the editors found it too nerdy and talked the author
into taking it out (:-()
American innumeracy is so frustrating.
Do you have a link to the "Y" illustration? I'm having trouble
visualizing it. Is the Y inverted? I don't understand what you mean by
the stem going through the circle if the arms are touching it, or what
the stem means.
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David Collier-Brown, | Always do right. This will gratify
System Programmer and Author | some people and astonish the rest
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