Errata (excluding minor typos) for the 3rd printing of Bayesian Data Analysis. If you find any other errors, please e-mail to gelman@stat.columbia.edu p. 31, 11th line from bottom: "241,925" should be "241,945". p. 47, lines 12-13: "precision-weighted average" should be "degrees-of-freedom-weighted average". p. 76, 14th-13rd lines from the bottom: "can be interpreted as containing equivalent information to" should be "is mathematically equivalent to a likelihood resulting from". p. 79, last equation: 2nd "Lambda_n^{12}" should be "Lambda_n^{21}". p. 80, 2nd line of 2nd pair of equations: "= E(Lambda_n|y) + var(mu|y) = Lambda_n + Sigma" should be "= E(Sigma|y) + var(mu|y) = Sigma + Lambda_n". p. 80, 15th line from bottom: "mu|Sigma" should be "mu|Sigma,y". p. 88, Exercise 1: The second sentence ("Also suppose . . .") should be "Also suppose that theta=(theta_1,...,theta_J) has a Dirichlet prior distribution." p. 131, middle: both instances of "10^{-10}" should be "-10^{10}". p. 140, equation: proportionality should be equality. p. 176, 1st full paragraph: "0.25/1.0" should be "1.0/0.25", and the next "0.25" should be "4". p. 187, 3rd line of Exercise 7b: "posterior" should be "prior". p. 218, 12th line from bottom: "N - N lambda_2" should be "N - N lambda_1". p. 239, 17th line from bottom: "center beta-hat" should be "center X-tilde beta-hat". p. 245, table: The numbers in the table are wrong. They should be: 2.5% 25% median 75% 97.5% Incumbency 0.084 0.103 0.114 0.124 0.144 Vote proportion in 1986 0.576 0.627 0.654 0.680 0.731 Incumbent party -0.014 -0.009 -0.007 -0.004 0.001 Constant term 0.066 0.106 0.127 0.148 0.188 sigma (residual sd) 0.061 0.064 0.066 0.068 0.071 p. 258, line 2: "Q_y^{-1/2}" should be "Q_y^{-1}". p. 258, 6th line from bottom: "Q_y^{-1}" qhould be "Q_y". p. 306, Laplace's approximation: "(2 pi)^{-d/2}" should be "(2 pi)^{d/2}". p. 317, Exercise 4a: "p(y|theta)" should be "p(theta|y)". p. 339, unnumbered displayed equation: there should also be a factor of |Sigma_y|^(-1/2) on the right side of the equation. p. 350, two equations: right side of first equation should be "N(mu,V_i)"; right side of second equation should be "Inv-chi^2(nu,sigma^2)". p. 361, equation below (12.6): "nu" in denominator should be "nu sigma^2 old". p. 368, "Intraclass correlation": not quite correct as written since sigma is used twice with different meanings in the original and random effects models. To fix: - In the 2nd sentence of the "Intraclass correlation" paragraph, change "sigma" to "eta" in both places. - In the 4th sentence, just after "occurs when", add "eta^2 = sigma^2 + sigma^2_beta and". p. 385, equation (14.1): "p(y|X,beta)" should be "p(y|X,beta,phi)". p. 429, long equation: The following term is missing and should be added to the formula on the right side of the equation: sum_{j=1}^{17} sum_{i=1}^{30} S_j (log(lambda) E_old(zeta_ij) + log(1-lambda) (1-E_old(zeta_ij))) p. 429, long equation, and p. 430, first full paragraph: "E_old(p(zeta,theta|y))" should be "E_old(log(p(zeta,theta|y)))". p. 457, 4th line from bottom: "iid" should be "independent". p. 477, density function of Beta-binomial distribution: a and b should be alpha and beta. p. 479, equation (A.2): "mu_j" should be "theta_j-mu_j". p. 479, equation (A.2): "(Sigma^-1)_ii" should be "1/(Sigma^-1)_ii". p. 485, last line: "H(theta)-H(theta_0)" should be "H(theta_0)-H(theta)". We thank Patrick Aboyoun, Victor De Oliveira, David Draper, Yuri Goegebeur, Chuanpu Hu, Zaiying Huang, Thomas Richardson, Charles Russell, Francis Tuerlinckx, Iven Van Mechelen, and Mark Vangel for finding some of these. This list was last changed on 29 August 2003.