有沒有球員得分的骰子指數統計(標準差?) - NBA

By Franklin
at 2018-08-23T04:27
at 2018-08-23T04:27
Table of Contents
※ 引述《DerLuna (陽月)》之銘言:
: 如題
: 常常有人酸某些球員骰子球員 鐵的時候很鐵 準的時候很準例如老大、JR等等
: 也有人說某些球員就是爆發力不高穩定每場都20+ 例如TD、LBJ
: 但大家討論的時候都淪為印象 沒有數據佐證
: 不知道能不能定義骰子指數
: 從統計來看的話可能可以用每場得分標準差來考慮? (或命中率的標準差?)
: 標準差大->大起大落, 骰子球員
: 標準差小->穩定型
: 如果能有數據佐證, 很多討論應該更有說服力
: 而不用印象派
: 那請問一下NBA有沒有相關的數據? 我找官方的好像找不到這樣的數據
: 請數據達人幫忙詳解一下 感謝您
覺得滿有趣的
所以用Excel拉了一下
數據引用自: https://www.basketball-reference.com/:
只算了2017-2018的數據
比較JR跟同隊的LBJ以及其他隊的得分好手如 Harden,KD,Curry
以及得分跟他差不多的Denny Green
https://i.imgur.com/qxCoztZ.png
JR得分平均值是8.3, 但標準差高達5.6,
以標準差/平均值來看, 其他人大約是30%上下,
JR 則高達68%,DG骰子指數則是62%
如果以該場得分低於平均得分的80%當作烙賽
該場得分高於平均得分的120%當作爆擊
https://i.imgur.com/lwX4R2V.png
JR最常烙賽, 有48%的機率會烙賽,但有38%機率爆擊
DG烙賽率比JR好一點是41%, 但爆擊率也只有21%, 相差20%
不過因為場均只有8分, 等於少進一球,就烙賽, 多進一球就爆擊.
用個骰子指數的區間分布圖來看比較不會有爭議
Y軸是場次
https://i.imgur.com/e5Bohum.png
JR這顆骰子的機率分布很明顯跟其他人不同...
常常打出175%以上的爆擊
--
Harden 的表現就非常穩定,
將近60%場次是在平均得分的+-20%內
烙賽跟爆發的場次差不多
這五個人裡面, 只有LBJ的烙賽率是低於爆發率.
--
: 如題
: 常常有人酸某些球員骰子球員 鐵的時候很鐵 準的時候很準例如老大、JR等等
: 也有人說某些球員就是爆發力不高穩定每場都20+ 例如TD、LBJ
: 但大家討論的時候都淪為印象 沒有數據佐證
: 不知道能不能定義骰子指數
: 從統計來看的話可能可以用每場得分標準差來考慮? (或命中率的標準差?)
: 標準差大->大起大落, 骰子球員
: 標準差小->穩定型
: 如果能有數據佐證, 很多討論應該更有說服力
: 而不用印象派
: 那請問一下NBA有沒有相關的數據? 我找官方的好像找不到這樣的數據
: 請數據達人幫忙詳解一下 感謝您
覺得滿有趣的
所以用Excel拉了一下
數據引用自: https://www.basketball-reference.com/:
只算了2017-2018的數據
比較JR跟同隊的LBJ以及其他隊的得分好手如 Harden,KD,Curry
以及得分跟他差不多的Denny Green
https://i.imgur.com/qxCoztZ.png
JR得分平均值是8.3, 但標準差高達5.6,
以標準差/平均值來看, 其他人大約是30%上下,
JR 則高達68%,DG骰子指數則是62%
如果以該場得分低於平均得分的80%當作烙賽
該場得分高於平均得分的120%當作爆擊
https://i.imgur.com/lwX4R2V.png
JR最常烙賽, 有48%的機率會烙賽,但有38%機率爆擊
DG烙賽率比JR好一點是41%, 但爆擊率也只有21%, 相差20%
不過因為場均只有8分, 等於少進一球,就烙賽, 多進一球就爆擊.
用個骰子指數的區間分布圖來看比較不會有爭議
Y軸是場次
https://i.imgur.com/e5Bohum.png
JR這顆骰子的機率分布很明顯跟其他人不同...
常常打出175%以上的爆擊
--
Harden 的表現就非常穩定,
將近60%場次是在平均得分的+-20%內
烙賽跟爆發的場次差不多
這五個人裡面, 只有LBJ的烙賽率是低於爆發率.
--
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NBA
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