[R-es] Problemas para graficar barras de error y fechas en el eje-x (SOLUCIONADO)

[Carlos Ortega]

An embedded and charset-unspecified text was scrubbed...
Name: no disponible
URL: <https://stat.ethz.ch/pipermail/r-help-es/attachments/20100706/60e56af8/attachment.pl>