Your Random BBA Graph of the week #2!

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Your Random BBA Graph of the week #2!

Post by CTBrewCrew » Sat Oct 12, 2019 4:50 pm

Was listening to Niles weekly podcast and couldn't believe how right he was when he talked about the explosion of stolen bases in the BBA between 2030 - 2035....WOW. Thanks again for the inspiration Niles! Once i get the historical individual player data - ill follow-up with some player DB stats.

Until then enjoy...

https://public.tableau.com/views/BBA-St ... share_link
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Re: Your Random BBA Graph of the week #2!

Post by RonCo » Sat Oct 12, 2019 5:01 pm

Something seems odd there. These charts would say our average success rate was only 50% or so prior to the big expansion...but I think it ran about 64-65%.

Definitely an interesting take, though.
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Re: Your Random BBA Graph of the week #2!

Post by CTBrewCrew » Sat Oct 12, 2019 5:29 pm

You can click on points or select ranges from the graph and see specific years data
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Re: Your Random BBA Graph of the week #2!

Post by Lane » Sat Oct 12, 2019 5:46 pm

The top success rate being 31% seems wrong.
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Re: Your Random BBA Graph of the week #2!

Post by CTBrewCrew » Sat Oct 12, 2019 6:41 pm

Since 1995 - thats the success rate per team
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Re: Your Random BBA Graph of the week #2!

Post by CTBrewCrew » Sat Oct 12, 2019 6:42 pm

Sb / total attempts
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Re: Your Random BBA Graph of the week #2!

Post by Lane » Sat Oct 12, 2019 7:17 pm

Something's off. Here's Vancouver, what I assume is year by year data.
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Re: Your Random BBA Graph of the week #2!

Post by CTBrewCrew » Sat Oct 12, 2019 8:18 pm

Yes - its the sum for each category per year for each team. (SB & CS)

Looking at Vancouver's data (same formula for all teams)

sb% = stolen bases / (stolen bases + caught stealing)

Stolen Base Attempts = (stolen bases + caught stealing)

Caught Stealing % is just the inverse of SB% - if you were successful 60% in SB% your CS% was 40%.

For the first line item in your screen shot is the 1995 team totals for VAN.

In 1995 Vancouver as a team attempted to steal 109 bases -- they were successful 64 times they failed 45 times.
In 2031 Vancouver as a team attempted to steal 509 bases -- they were successful 363 times they failed 146 times.

For whatever reason the leagues SB attempts sky-rocketed starting in 2029 to 2033 - then started to trend down again.

As a league if you sum up all the teams in the BBA last year they stole 4788 SB - that's an average of 159.6 SB each for the 30 teams.

Even as of last year (as a whole league) BBA C only threw out about 24% of all runners - that's like a 3 out of every 4 attempts your gonna get the base.

Even though SBA # are coming down some - Runners are being more successful in fewer attempts.
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Re: Your Random BBA Graph of the week #2!

Post by Lane » Sat Oct 12, 2019 8:36 pm

This is the graph I'm taking about. Is this SB success rate or CS rate?
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Re: Your Random BBA Graph of the week #2!

Post by CTBrewCrew » Sat Oct 12, 2019 9:33 pm

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Re: Your Random BBA Graph of the week #2!

Post by CTBrewCrew » Sat Oct 12, 2019 9:45 pm

Fixed -- i bass-ackwarded the calculation - thanks for staying on top of me....my QA department is lacking...

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Re: Your Random BBA Graph of the week #2!

Post by Lane » Sat Oct 12, 2019 11:03 pm

no problem! I really enjoy seeing these every week.
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Re: Your Random BBA Graph of the week #2!

Post by RonCo » Sat Oct 12, 2019 11:08 pm

One of the issues I was having, too, is that the raw overall successful and failed SBA are being plotted on two different axis.
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Re: Your Random BBA Graph of the week #2!

Post by CTBrewCrew » Sun Oct 13, 2019 7:36 am

Yeah - its a dual line (or axis) chart (Non-Synchronized). Its a good way to lets you interpret data on multiple Y axis for two values on the same chart that are related, but that would have different Y axis values.

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Re: Your Random BBA Graph of the week #2!

Post by CTBrewCrew » Sun Oct 13, 2019 7:39 am

Lane wrote:
Sat Oct 12, 2019 11:03 pm
no problem! I really enjoy seeing these every week.
Thanks! I'm glad to see someone likes them! It makes up for the late night comments from the Mrs.."...Are you still making those stupid charts?!" :-D

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Re: Your Random BBA Graph of the week #2!

Post by bschr682 » Sun Oct 13, 2019 8:42 am

You and Ron, cage match. There can only be one highlander! I mean charts and graphs guy...

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Re: Your Random BBA Graph of the week #2!

Post by CTBrewCrew » Sun Oct 13, 2019 11:11 am

lol - more charts mean more better 👍🏻
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Re: Your Random BBA Graph of the week #2!

Post by Rubaboo » Sun Oct 13, 2019 12:02 pm

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Re: Your Random BBA Graph of the week #2!

Post by RonCo » Sun Oct 13, 2019 12:26 pm

CTBrewCrew wrote:
Sun Oct 13, 2019 7:36 am
Yeah - its a dual line (or axis) chart (Non-Synchronized). Its a good way to lets you interpret data on multiple Y axis for two values on the same chart that are related, but that would have different Y axis values.

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Yeah, but the variance isn't that large, and plotting them on the same axis would give an immediate feel for how success rate has changed as well as rate of occurrence.
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Re: Your Random BBA Graph of the week #2!

Post by CTBrewCrew » Sun Oct 13, 2019 12:56 pm

RonCo me and graphs...

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