Re: [R] Aggregating on date at Monthly Level

Hi > -Original Message- > From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Shivi82 > Sent: Wednesday, June 17, 2015 9:19 AM > To: r-help@r-project.org > Subject: [R] Aggregating on date at Monthly Level > > HI All, > I have situation where i am aggre

[R] Aggregating on date at Monthly Level

HI All, I have situation where i am aggregating weight on monthly and quarterly level. I need to summarize weight on variable ship date i.e. shipping date . As this date is in a character format so used the conversion as: Shipdate<-as.Date("retail$ship.date", format="%m-%d-%Y"). But when i see th