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From: Jeff Liebermann <jeffl@cruzio.com>
Newsgroups: rec.bicycles.tech
Subject: Re: Lost your home? Car? Everything? Thank a bicyclist and the California road diet.
Date: Fri, 17 Jan 2025 07:33:46 -0800
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On Fri, 17 Jan 2025 03:43:12 -0500, Catrike Ryder
<Soloman@old.bikers.org> wrote:

>On Thu, 16 Jan 2025 15:54:40 -0800, Jeff Liebermann <jeffl@cruzio.com>
>wrote:

>>>>"The number of bicycle repairers in California correlates with..."
>>>><https://tylervigen.com/spurious/variable?id=5582>
>>>>Scroll down the list for various correlations.

>Huh? Where do I find those future bicycle repair statistics? 

Follow the link I provided.  If anything, there's too much information
and detail.  In this case, there's nothing involving FUTURE bicycle
repair statistics.  There's only present and past statistics.  See:
<https://tylervigen.com/spurious/correlation/7307_the-number-of-bicycle-repairers-in-california_correlates-with_the-average-number-of-likes-on-mark-rober-youtube-videos>
The number of bicycle repairers in California
Detailed data title: BLS estimate of bicycle repairers in California
Source: Bureau of Larbor Statistics
Which points to:
"Occupational Employment and Wage Statistics"
<https://www.bls.gov/oes/tables.htm>
Which points to the California statistics at:
<https://www.bls.gov/oes/current/oes_ca.htm>
Which shows the California "bicycle repairers" on line 49-3091 at:
<https://www.bls.gov/oes/current/oes493091.htm>
as 2,800 as of May 2023 from the US map.  To obtain the other years
employment, follow the links for those years and build a table.

>You almost had me there. I think you didn't say what you meant to say,
>but if I understand what you meant to say, I agree, I think... 

No sympathy.  If I can navigate my way through the Burro of Laborious
Statistics, you can also do the same.  I assure you that statistical
research is surviveable.

>The first requirement is to establish that the two events are related
>in any way.

Nope.  The LAST requirement is to determine if the numbers line up to
produce some form of correlation, which they do.  Then, you figure out
how well they correlate (r=0.964).  However, even if they correlate
perfectly, you cannot claim causality.

>>Mark Rober's videos on building squirrel proof bird feeders, exploding
>>glitter bombs to discourage porch pirates, and various over-engineered
>>gadgets are intended for kids, but are equally interesting to adults:
>><https://www.youtube.com/@MarkRober/playlists>
>><https://www.youtube.com/@MarkRober/videos>
>>He's one of the few adults that have the "knack" for getting kids
>>interested in engineering.
>><https://www.crunchlabs.com>
>
>Cool dude. Good stuff. No, really good stuff. I'm going to watch some
>more.

Enjoy.

-- 
Jeff Liebermann                 jeffl@cruzio.com
PO Box 272      http://www.LearnByDestroying.com
Ben Lomond CA 95005-0272
Skype: JeffLiebermann      AE6KS    831-336-2558