Authors: Hoaglin, David C. Welsch, Roy E.

Citation: C. Hoaglin, David et E. Welsch, Roy, The Hat Matrix in Regression and ANOVA, American statistician , 32(1), 1978, pp. 17-22

Authors: Velleman, Paul F. Welsch, Roy E.

Citation: F. Velleman, Paul et E. Welsch, Roy, Efficient Computing of Regression Diagnostics, American statistician , 35(4), 1981, pp. 234-242

Authors: Welsch, Roy E.

Citation: E. Welsch, Roy, Invited Comment, American statistician , 46(4), 1992, pp. 302-304

Authors: Welsch, Roy E.

Citation: E. Welsch, Roy, Influential Observations, High Leverage Points, and Outliers in Linear Regression: Comment, Statistical science , 1(3), 1986, pp. 403-404