Announcement

Collapse
No announcement yet.

I need help! A new parameter ?

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • I need help! A new parameter ?

    Hello!

    Please can you tell me does exists /in sabermetrics/ this pitcher's parameter PR

    PR indicates a strong, long-term pitcher's effectivity.


    PR = IP / (ERA * 9) while ERA = (9 * ER )/ IP
    or
    PR= (IP/9)² * (1/ER)



    i.e. ---
    Justin Verlander DET 186 3,63 5,693
    etc....


    Thanks on your coments!
    Last edited by Zagi-CRO; 04-11-2007, 12:42 AM.
    The Voice of Croatia - Glas Hrvatske

  • #2
    Tango Tiger, where are you ?
    The Voice of Croatia - Glas Hrvatske

    Comment


    • #3
      You don't want to know what I'm thinking.
      Author of THE BOOK -- Playing The Percentages In Baseball

      Comment


      • #4
        Originally posted by Tango Tiger View Post
        You don't want to know what I'm thinking.
        I dont understand you ?

        I'll ask somebody's opinion about PR...
        The Voice of Croatia - Glas Hrvatske

        Comment


        • #5
          The continuous stream of attempts to generate new metrics coming from some folks around the net that have absolutely no logical foundation...no thought process on what is being measured...it astounds me.

          Before you create a metric, ask yourself, "What am I trying to measure, and how can I best access that directly through the available data?" Ask youself whether your goals of measurement are specific enough (if your answer to the first question was "how good pitchers are..." then it's not...you need a very specific goal). Then ask yourself whether what you're trying to do has already been done and whether those previous efforts meet with the standards of scientific scrutiny or whether there is room for improvement.

          You can't accomplish anything in the analysis of anything...including baseball...by slapping numbers together and hoping they show something. What are you trying to do...how best can you do it...has it been done...was it done well before. That will save us a lot of trouble and internet noise.

          Comment


          • #6
            Thank's on your coments.
            I will explain my idea when I would have enough time.
            Last edited by Zagi-CRO; 04-11-2007, 06:28 AM.
            The Voice of Croatia - Glas Hrvatske

            Comment


            • #7
              If you have a cogent explanation, I eagerly await it...I might just be missing something obvious that you see...it's happened before.

              Comment


              • #8
                I was thinking exactly post #5, but Matt said it much nicer than I was thinking it.
                Author of THE BOOK -- Playing The Percentages In Baseball

                Comment


                • #9
                  What are the most important new stats to come out in recent years? Any thoughts on this?
                  "Any pitcher who throws at a batter and deliberately tries to hit him is a communist."

                  - Alvin Dark

                  Comment


                  • #10
                    I'm partial to my own pitching metric...but that can't really be called important until it finds a larger audience.

                    Otherwise, the Tango distribution is very important work, as is the leverage index, and all of the recent work on win probability.

                    Tom Ruane's baserunning analysis is good stuff too. Just off the top of my head.

                    Comment


                    • #11
                      Originally posted by Tango Tiger View Post
                      I was thinking exactly post #5, but Matt said it much nicer than I was thinking it.
                      Ok, I see...
                      But, I could try to work something, is it forbidden?
                      For explanation... hm... 'damned English'

                      On Croatian... puno bi korisnije bilo da objasnim na hrvatskom!

                      See my answer in topic 'Question Thread'...
                      Last edited by Zagi-CRO; 04-12-2007, 02:01 AM.
                      The Voice of Croatia - Glas Hrvatske

                      Comment


                      • #12
                        While we're talking stats...I've often thought of one but it's so basic I'd assume someone came up with it years ago. It's basically the same as slugging percentage but you keep awarding bases if the runner advances due to stolen bases, hits, errors, groundouts, etc. I know there's something like this but it penalizes the runner for a CS. This metric would yield a score of 1.000 for the game in this example:
                        Batter singles. Advances to second on WP. CS 2-5
                        Batter K's
                        Batter is out 5-7-3 (it must be Sean Casey)
                        Batter reaches on K. Next batter grounds out 6-3 and the next 2 strike out.


                        That must exist somewhere, doesn't it?

                        Comment


                        • #13
                          ... my mistake... sorry
                          Last edited by Zagi-CRO; 04-12-2007, 02:16 AM.
                          The Voice of Croatia - Glas Hrvatske

                          Comment


                          • #14
                            PR = IP / (ERA * 9)

                            ex. IP=233,2 ERA=2,77 PR=9,354

                            1. Johan Santana MIN 233,2 / 2,77/ ** 9,354
                            2. Brandon Webb ARI 235,0/ 3,10/ ** 8,423
                            3. Jonathan Papelbon BOS 68,1/ 0,92/ ** 8,225
                            4. Roy Oswalt HOU 220,2/ 2,98/ ** 8,210
                            5. Bronson Arroyo CIN 240,2/ 3,29// ** 8,112
                            6. Chris Carpenter STL 221,2/ 3,09/ ** 7,954
                            7. Roy Halladay TOR 220,0/ 3,19/ ** 7,663
                            8. John Smoltz ATL 232,0/ 3,49/ ** 7,386
                            9. Carlos Zambrano CHC 214,0/ 3,41/ ** 6,973
                            10. Aaron Harang CIN 234,1/ 3,76/ ** 6,918
                            11. John Lackey LAA 217,2/ 3,56/ ** 6,779
                            12. Chien-Ming Wang NYY 218,0/ 3,63/ ** 6,673
                            13. Derek Lowe LAD 218,0/ 3,63/ ** 6,673
                            14. C.C. Sabathia CLE 192,2/ 3,22/ ** 6,632
                            15. Jason Schmidt LAD 213,1/ 3,59/ ** 6,595

                            PR supports long-lasting pitching /which is essential for the team/ .
                            Only Papelbon come on 3rd position because of 0,92 ERA!
                            Last edited by Zagi-CRO; 04-12-2007, 02:41 AM.
                            The Voice of Croatia - Glas Hrvatske

                            Comment


                            • #15
                              Mathematically...

                              PR = G^2 / ER

                              IP / 9 = G (G = Full Games) so the IP / (ERA * 9) is reduced to G / ERA. ERA = ER / G so now you have G / (ER / G) which is G^2 / ER.

                              Obviously, that would favor starters...particularly inning eaters...but so does PRC (Pitcher Runs Created), a Hardball Times invention which is at least somewhat DIPS (defense independent pitching statistics) compliant and is on the batter runs created scale. What you've got here is something that will naturally favor good starters, but not to greater accuracy than pre-existing metrics that have a basis in baseball logic that this PR lacks. Why should pitching skill be related in any way to the games he plays squared?

                              Comment

                              Ad Widget

                              Collapse
                              Working...
                              X