[R-sig-ME] nlme and missing data...

Jeffrey Harring harring at umd.edu
Fri Feb 18 16:05:43 CET 2011

Can anyone tell me if nlme ( ) accepts missing data?

The default argument to handle missingness for nlme ( ) is

na.action = na.fail

Is there another specification to allow some missing data or a work around to coerce nlme ( ) to accept data which are missing?

Any help at all would be greatly appreciated.


Jeffrey R. Harring, Assistant Professor
Department of Measurement, Statistics&  Evaluation (EDMS)
1230 Benjamin Building
University of Maryland
College Park, MD 20742-1115

Phone: 	301.405.3630
Fax: 	301.314.9245
Email: 	harring at umd.edu
Web:  	http://www.education.umd.edu/EDMS/fac/Harring/webpage.html

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