The book Building Better Econometric Models Using Cross Section and Panel Data is one of the most basic and helpful books around if you are trying to increase the fit of whatever you’re modeling (like increasing the R-squared). Without even getting into the really complicated econometric stuff, anyone with a basic knowledge of regressions can use this book (at least most of it anyway).
Jeffrey Richardson
Gary Jeffrey
Andrew Edwards
Jeffrey Brent Basara
Jeffrey P. Trotter
Jeffrey P. Trotter
Jeffrey Jubelirer
Jeffrey Kallberg
Jeffrey Slater
Jeffrey Sussman
Jeffrey E. McGee
Jeffrey Reid
Jeffrey Kallberg
Jeffrey Wall
C Edwards Lester
Jeffrey Meyers
Jeffrey Fischer
Shaunna J. Edwards
Jeffrey Brantley
Jeffrey I. Rose
Jeffrey N. Weiss
Lorene Edwards Forkner
Brock Edwards
Jeffrey Archer
Jeffrey Borkoski
Jeffrey George
Jeffrey Segal
Jeffrey Henderson
Jeffrey Mason
Jeffrey Otersen
Jeffrey S. Sutton
Korie Little Edwards
Jeffrey P. Fry
Jeffrey Warren
Jeffrey Kinard
Jeffrey West Kirkwood
K. D. Edwards
Jeffrey Mangus
Jeffrey R. Di Leo
Douglas Jeffrey
Jeffrey Archer
Edwards, John
The Bookworm of Edwards
Jeffrey A. Wolin
Jeffrey Hotz
Jeffrey W. Kassing
Jeffrey Wishart
Jeffrey Kluger
Irene Edwards
Jeffrey M. Hosko
Lisa Edwards
Michael J. Edwards
Jeffrey Matthews
Martin Edwards
Jeffrey Gray
Jeffrey Frank
Riley Edwards
Sydonna EDWARDS
Dejanae Edwards
Jeffrey A. Rhoades