How to plot multiple time series with different time base in same plot?
An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20130104/0b133e12/attachment-0001.pl>
An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20130104/0b133e12/attachment-0001.pl>