On base percentage for 2002 major league baseball season
在基本的百分比2002年职业棒球大联盟赛季
译者:生物统计家园网 机器人LoveR
描述----------Description----------
The on base percentage, OBP, is a measure of how often a players gets on base. It differs from the more familiar batting average, as it include bases on balls (BB) and hit by pitches (HBP). The exact formula is OBP = (H + BB + HBP) / (AB + BB + HBP + SF).
在基本的百分比,OBP,是衡量一个球员经常在碱基得到。它不同于安打率比较熟悉的,因为它的基础上球(BB)和命中由沥青(HBP)。精确的公式是OBP = (H + BB + HBP) / (AB + BB + HBP + SF)。
用法----------Usage----------
data(OBP)
格式----------Format----------
438 numbers between 0 and 1 corresponding the on base “percentage” for the 438 players who had 100 or more at bats in the 2002 baseball season. The "outlier" is Barry Bonds.
438数字0和1之间相应的“百分比”为基础的438名选手有100个或更多的蝙蝠在2002年的棒球赛季。 “异常值”是邦兹。
源----------Source----------
This data came from the interesting Lahman baseball data base http://www.baseball1.com/. The names attribute uses the playerID from this database. Unfortunately there were some errors in the extraction from the original data set. Consult the original for accurate numbers.
这数据来自棒球有趣的Lahman数据的基础http://www.baseball1.com/的。的名称属性使用playerID从该数据库中。不幸的是从原始数据集的提取中的一些错误。咨询原为准确的数字。
实例----------Examples----------
data(OBP)
hist(OBP)
OBP[OBP>.5] # who is better than 50%? (only Barry Bonds)[谁是更好的超过50%? (只有邦兹)]