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From: Dave Lee on 12 Mar 2010 19:27


"RockPyle" <rpyle_1999(a)yahoo.com> wrote in message
news:7d5b9ca2-ebdc-47d4-a7bb-3b8a4bf28fcd(a)e7g2000yqf.googlegroups.com...
> On Mar 12, 3:28 pm, "Dave Lee" <DaveLe...(a)ix.netcom.RemovE.com> wrote:
>> I did say "exactly" which is not exactly true. I record my putting data
>> to
>> the nearest foot - not inch.
>>
>> dave
>>
>> "Dave Lee" <DaveLe...(a)ix.netcom.RemovE.com> wrote in message
>>
>> news:TfednZefa77OPgfWnZ2dnUVZ_qydnZ2d(a)earthlink.com...
>>
>>
>>
>>
>>
>> > "RockPyle" <rpyle_1...(a)yahoo.com> wrote in message
>> >news:5b29dbc5-b604-400f-ad5d-3cd6b51dea81(a)g10g2000yqh.googlegroups.com...
>> >> Intersting article about a new putting stat that has been developed to
>> >> try and give a better look at PGA putting and try to separate it from
>> >> iron play quality or other non-putting factors that can influence
>> >> Putts/GIR or total putts.
>>
>> >>http://online.wsj.com/article/SB1000142405274870379170457511407114247...
>>
>> >> They look at an expected number of putts based on the initial putt
>> >> length and create a "putts gained" metric. It sounds very similar to
>> >> what Dave Lee has posted about his putting tracking methodology, and
>> >> glancing through the archives, Brent Hutto talked about it as well.
>>
>> >> Rock
>>
>> > It does sound exactly like the methodology that I use. The opening
>> > sentence in the article is:
>>
>> > Researchers at the Massachusetts Institute of Technology, working with
>> > the
>> > PGA Tour, have come up with a way to solve one of golf's biggest
>> > conundrums: how to determine who are the truly great putters in the
>> > game.
>>
>> > I am going to sue them unless they retract this sentence and re-issue
>> > it
>> > as:
>>
>> > Some otherwise worthless North Carolina hacker has come up with a way
>> > to
>> > solve one of golf's biggest conundrums: how to determine who are the
>> > truly
>> > great putters in the game.
>>
>> > dave
>>
>> > ps. Thanks for the link.- Hide quoted text -
>>
>> - Show quoted text -
>
> I'm sure that in the past couple of hours you have gone back and added
> the additional by-the-inch requirement to your data gathering
> sattelite system!
>
> Rock
>

Started to do that, but there was some kind of rules of golf thing about
rulers on the greens, etc. :-)

dave

From: crapyking on 12 Mar 2010 20:59
No ground breaking revelations there. Better putting lowers scores.
How do we putt better? Drive longer & set up shorter chip shots thus
leading to shorter putts and higher percentage putts.
From: Frank Ketchum on 12 Mar 2010 21:22

"crapyking" <crapyking1(a)yahoo.com> wrote in message
news:b658053e-3e2b-4c0f-91c4-6a35c3fa2c3c(a)g11g2000yqe.googlegroups.com...
> No ground breaking revelations there. Better putting lowers scores.
> How do we putt better? Drive longer & set up shorter chip shots thus
> leading to shorter putts and higher percentage putts.

That is exactly the measuring methodology they are trying to get away from.
It tells little about putting.


From: Frank Ketchum on 12 Mar 2010 21:27

"RockPyle" <rpyle_1999(a)yahoo.com> wrote in message
news:5b29dbc5-b604-400f-ad5d-3cd6b51dea81(a)g10g2000yqh.googlegroups.com...
> Intersting article about a new putting stat that has been developed to
> try and give a better look at PGA putting and try to separate it from
> iron play quality or other non-putting factors that can influence
> Putts/GIR or total putts.
>
> http://online.wsj.com/article/SB10001424052748703791704575114071142473884.html?mod=djemMTIPOFF_h
>
> They look at an expected number of putts based on the initial putt
> length and create a "putts gained" metric. It sounds very similar to
> what Dave Lee has posted about his putting tracking methodology, and
> glancing through the archives, Brent Hutto talked about it as well.
>

It of course is the only correct way to measure how well a shot is struck -
by how much it misses. Dave Pelz made a name for himself collecting and
analyzing this sort of data years ago for all golf shots.

MIT seems to have just taken it to the next level which compile the data in
terms of scoring a putt verses an average field and adding in a couple
correction factors. I'm not sure why fans would care about this sort of
stat. The players may use the data to see where they are dropping shots to
the field.


From: Dave Lee on 13 Mar 2010 08:37


"RockPyle" <rpyle_1999(a)yahoo.com> wrote in message
news:5b29dbc5-b604-400f-ad5d-3cd6b51dea81(a)g10g2000yqh.googlegroups.com...
> Intersting article about a new putting stat that has been developed to
> try and give a better look at PGA putting and try to separate it from
> iron play quality or other non-putting factors that can influence
> Putts/GIR or total putts.
>
> http://online.wsj.com/article/SB10001424052748703791704575114071142473884.html?mod=djemMTIPOFF_h
>
> They look at an expected number of putts based on the initial putt
> length and create a "putts gained" metric. It sounds very similar to
> what Dave Lee has posted about his putting tracking methodology, and
> glancing through the archives, Brent Hutto talked about it as well.
>
> Rock

FWIW, here is a summary version of 'my table'. It represents my personal
opinion of what 'OK putting' is on the greens that I regularly play
(relatively tough as I play 90% of my rounds at Pinehurst Resort/CC). My
actual table has an entry for every length (in 1' increments) from 1' to
99'. Distances not listed are just linear interpolation between points. You
non-US types will have to convert to meters :-)

dave

ps. I average a little over 1 stroke per round worse than this (am not a
good putter against my index which bounces around in the 4 to 6 range for
the most part). If I were to do this all over again I would drop to 3'
increments for distances over 20' and might add the 'infamous 3 1/2 foot
putt to the table).

1' - 1.0
2' - 1.0
3' - 1.1
4' - 1.35
5' - 1.5
6' - 1.6
10' - 1.74
20' - 2.0
30' - 2.08
40' - 2.16
50' - 2.25
60' - 2.35
70' - 2.44
80' - 2.5
90' - 2.57
99' - 2.64

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