[R] Help w/ variable names in loop with lmer

)))}) And here's what I get: list() I'd be grateful for any pointers. Best, David -- Personal Web site: http://investigadores.cide.edu/crow/ Web site for M�xico, las Am�ricas y el Mundo: http://mexicoyelmundo.cide.edu/ David Crow, Ph.D. Pro

[R] Logical Indicator for Warning and Error Messages?

Happy New Year! David ====== David Crow Profesor-Investigador / Assistant Professor División de Estudios Internacionales Centro de Investigación y Docencia Económicas Carretera México-Toluca 3655 Col. Lomas de Santa Fe 01210 México, D.F. Tel.: (+011 52