EfronMorris

Batting averages for 18 major league baseball players,
  first 45 at bats of the 1970 season.

datasets

Bayesian analysis of item-response theory (IRT) models, roll call analysis;
             computing highest density regions; maximum likelihood estimation of
	     zero-inflated and hurdle models for count data; goodness-of-fit measures for
	     GLMs; data sets used in writing and teaching at the Political Science
	     Computational Laboratory; seats-votes curves.

Simon Jackman

pscl

Political Science Computational Laboratory, Stanford University

EfronMorris function

<ul><li><code>name</code></li></ul>{character, name of player}
	<item><code>team</code></item>{character, team of player, abbreviated}
	<item><code>league</code></item>{character, National League or American League}
  	<item><code>r</code></item>{numeric, hits in 1st 45 at bats}
	<item><code>y</code></item>{numeric, <code>r</code>/45, batting average over 1st
  45 at bats}
  <item><code>n</code></item>{numeric, number of at bats, remainder of 1970
  season}
  <item><code>p</code></item>{numeric, batting average over remainder of 1970 season}

format

Efron, Bradley and Carl Morris. 1975. Data Analysis Using
Stein's Estimator and Its Generalizations.  Journal of the American
Statistical Association. 70:311-319.

EfronMorris: Batting Averages for 18 major league baseball players, 1970

Description

Usage

Arguments

format

source

Examples