how to change "`Year_Month)201103`" into "Year_Month)201103" using R?
An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20130314/6d7a665d/attachment.pl>
An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20130314/6d7a665d/attachment.pl>