TY - BOOK AU - Gruber, Marvin H. J TI - Improving efficiency by shrinkage : the James-Stein and ridge regression estimators SN - 9780824701567 SN - 98005183 U1 - 519.536 GRU PY - 1998/// CY - New York PB - Marcel Dekker KW - Estimation theory KW - Regression Analysis N1 - Includes bibliographical references (p. 591-617) and indexes ER -