Parallel Lines in Residual Plots

Authors
Searle, Shayle R.
Citation
R. Searle, Shayle, Parallel Lines in Residual Plots, American statistician , 42(3), 1988, pp. 211-211
Journal title
American statistician → ACNP
ISSN journal
00031305
Volume
42
Issue
3
Year of publication
1988
Pages
211 - 211
Database
ACNP
SICI code
Abstract
Attention is drawn to a little-known feature of residuals plotted against predicted values: When observed values of y are repeated in the data, then the plot exhibits a series of parallel lines having slope . 1.