Please read the copyright for Arc.

All users should be using Version 1.06 of Arc. If you have an earlier version, Download Arc from this web site. No further updates are available.

New Features

This pdf file describes the new features added to the program since 1999 that are not described in Applied Regression Including Computing and Graphics. In particular, there is an introduction to generalized nonlinear models and to partial-one dimensional models. Also, changes to the regression dialog are described. Updated July, 2004, and the program has been stable since then.