Friday, April 28, 2017

Beat the Streak Picks

Here are the top picks my programs produced for use in Beat the Streak. This post mostly explains the ideas behind the calculations. In addition, this post shows tests on the Neural Network (NN). This post discusses an NN that includes the ballpark. I recently update the models, and the results of those tests are here.

For 2017, I am just going to publish the Log5 hit averages and the NN probabilities with parks factored in. I am keeping track of the results here.

First, the Log5 Method picks:

0.300 — Buster Posey batting against Luis Perdomo
0.290 — Hunter Pence batting against Luis Perdomo
0.286 — Brandon Phillips batting against Chase Anderson
0.285 — Lorenzo Cain batting against Kyle Gibson
0.284 — Michael Moustakas batting against Kyle Gibson
0.283 — Eduardo Nunez batting against Luis Perdomo
0.283 — Daniel Murphy batting against Jacob deGrom
0.280 — Corey Dickerson batting against Marcus Stroman
0.279 — Ryan Braun batting against Bartolo Colon
0.278 — Joe Panik batting against Luis Perdomo

Luis Perdomo, as usual, is the pitcher to face in this contest. He usually dominates the top ten a bit more, which may say something about the state of the Giants offense. Buster Posey came back strong from his concussion, which is why he moves to the top of the list.

The NN with Park produces this top ten list:

0.283, 0.731 — Daniel Murphy batting against Jacob deGrom.
0.286, 0.719 — Brandon Phillips batting against Chase Anderson.
0.300, 0.718 — Buster Posey batting against Luis Perdomo.
0.277, 0.712 — A.J. Pollock batting against Kyle Freeland.
0.277, 0.709 — J.T. Realmuto batting against Jameson Taillon.
0.266, 0.708 — Trea Turner batting against Jacob deGrom.
0.265, 0.707 — Jose Altuve batting against Jharel Cotton.
0.271, 0.707 — Charles Blackmon batting against Robbie Ray.
0.266, 0.705 — DJ LeMahieu batting against Robbie Ray.
0.290, 0.703 — Hunter Pence batting against Luis Perdomo.

Daniel Murphy springs to the top of this chart as usual, despite facing a tough pitcher in Jacob deGrom. In a very small sample size, Murphy is 2 for 3 against the Mets starter. Posey is 2 for 6 against Perdomo. Posey is the consensus pick on the day, with Brandon Phillips a close second. Phillips is 3 for 11 against Chase Anderson, but Phillips puts the ball in play with just one strikeout.

As always, the best player you pick is going to fail to get a hit about 25% of the time.

Here is the list of players with at least 10 plate appearances since their last hit. If the two lists intersection, such as with DJ LeMahieu, maybe that player is due!

Batter PA since Last Hit
Jeff Mathis 28
Mark Trumbo 24
Jarrod Saltalamacchia 23
Raul Mondesi 20
Kevin Kiermaier 20
Sandy Leon 20
Domingo Santana 20
JaCoby Jones 19
Travis D'Arnaud 16
Michael Freeman 16
Jesus Aguilar 15
Lorenzo Cain 15
Cody Asche 15
Chris Gimenez 15
Conor Gillaspie 14
Carlos Ruiz 14
Cristhian Adames 13
Jackie Bradley, Jr. 13
Asdrubal Cabrera 13
Rene Rivera 13
Jhonny Peralta 12
Mike Napoli 12
Leonys Martin 12
Antonio Senzatela 12
J.J. Hardy 12
Starling Marte 11
Brad Miller 11
Clayton Kershaw 11
Matt Harvey 11
Lucas Duda 11
Kyle Schwarber 11
Johnny Cueto 11
Jon Lester 11
Kyle Higashioka 10
Jacoby Ellsbury 10
Jimmy Nelson 10
Nick Castellanos 10
DJ LeMahieu 10
Cameron Rupp 10
Marcell Ozuna 10
Scott Feldman 10
Stephen Piscotty 10
Patrick Corbin 10


from baseballmusings.com http://ift.tt/2ptfW23

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