Re: [炸裂] 鄭鎧文炸裂(OPS+分析)已回收
※ 引述《lngygy123 (一二三)》之銘言:
: 鄭鎧文陽春砲 本季第18轟
: 追平廖敏雄新人年單季全壘打紀錄!
: 希望明年能夠再進化 把打擊率拉高一些
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看到滿多人討論ops+的,這個數據是個參考用數據,但是請謹慎服用..
而且也不需要把它當作聖經般的數據看待...以下從國外網站的文章轉貼翻譯
(附上原文網址: http://www.fangraphs.com/library/offense/ops/ )
也給各位參考看看...
How to Use OPS:
OPS is used to determine how well a hitter has performed over a given period
of time. It is not as precise as wOBA or wRC+, but it is a reasonably good
estimator if it’s the only thing available. The key to using OPS is
understanding the current offensive climate. A .900 OPS is much more
impressive in 2015 than it was in 2000. These days, league average is about
.710 or so, with the best hitters around 1.000.
OPS被用來衡量一個打者在累積一定打數後的產出效能有多好,基本上不如wOBA或wRC+
精準,但是不失為一個好的衡量工具,如果他是唯一可以獲得的數據。OPS通常被用來
了解目前打擊生態的狀況,舉例來說.900 ops的數據在2015年會是個比在2000更好的數據
近年來,大聯盟的ops平均在.710,一個當年最好的打者大約在1.000左右。
In general, OPS needs a decent sample size to be reflective of true talent,
as it is very easy for a good hitter to have a rough couple of weeks and
produce a .500 OPS over 50 PA, even though they are one of the best hitters
on their team. When using OPS, make sure you understand the context and sample
size involved.
一般而言,ops需要一個適當的樣本大小來反映打者真正的天份,這是因為一個好的打者
非常容易在數週的時間以50PA產出超過.500的ops。當使用ops時,確定了解這個數據的
意義以及樣本的大小基本上很重要!
Context:
以下是在說明ops多少是個什麼樣的打者,不翻譯!
Please note that the following chart is meant as an estimate, and that
league-average OPS varies on a year-by-year basis. To see the league-average
OPS for every year from 1901 to the present, check the FanGraphs leaderboards.
League-average OPS+ is always 100.
Rating OPS
Excellent 1.000
Great 0.900
Above Average 0.800
Average 0.710
Below Average 0.670
Poor 0.600
Awful 0.570
Things to Remember:
● If you’re looking to evaluate a player’s offense, OPS is a better metric
to use than batting average, but should always be used in conjunction with
other statistics as well. It’s a good gateway statistic to get people thinking
beyond the traditional statistics.
如果你正在衡量一個打者的攻擊能力,ops是一個好的工具,但是請搭配其他統計數據
服用。當然,ops也是一個不錯的參考,除了傳統的統計數據以外。(補充:個人
認為,各項統計數據都有意義,沒有單一衡量指數可以取代)
● If you have the choice, use Weighted On-Base Average (wOBA) instead of
OPS. OPS weighs both OBP and SLG the same, while wOBA accounts for the
fact that OBP is actually more valuable.
● Since it provides context and adjusts for park and league effects, OPS+
is better to use than straight OPS, especially if you’re comparing statistics
between seasons.
補充OPS+公式:(上壘率/聯盟平均上壘率)+(長打率/聯盟平均長打率)- 1
在以上的公式所產生的意義下,好的ops+代表的是好的上壘率加上長打率,但是
無法確實反映出得點圈及非得點圈打擊率,壘上有人打擊率,送回打者以及
製造打點的能力。
另外有些打者也許這兩點不特別出色,但是有好的纏鬥能力,造成投手壓力,
好的腳程造成守備壓力,好的腳程造成隊友高的打點率。這些都是ops+無法反映的。
也就是說可能會有極端的例子,就是ops+超高,但是壘上有人就是打不出安打...
補充鄭鎧文的BB跟RBI:
鄭鎧文BB:34 (排名:11), RBI:55 (排名:13)
怎麼看都算是不錯的表現,扣掉幾個超火的打者..這些數據在前十也不過份..
該怎麼說呢,也許鄭在兩好球後還是喜歡開強振吧
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※ 文章網址: https://www.ptt.cc/bbs/Baseball/M.1471182507.A.A09.html
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