search for: msg130580

...y value 2010-05-29 weekend 0.5225 2010-05-31 weekday 2.2352 ... 2010-07-05 weekday 3.xxxx 2010-07-10 weekend 0.8005 The closest I find is http://www.mail-archive.com/r-help@r-project.org/msg130580.html But this one only summing values in each week, it does not sum values by weekday and weekend. I have been thinking of using functions such as aggregate, ddply, but without a clue. Anybody who can give some suggestions will be highly appreciated. Thanks! Yinghua [[alternative HTML version d...

...value 2010-05-29 weekend 0.5225 2010-05-31 weekday 2.2352 ? 2010-07-05 weekday 3.xxxx 2010-07-10 weekend 0.8005 The closest I find is http://www.mail-archive.com/r-help at r-project.org/msg130580.html But this one only summing values in each week, it does not sum values by weekday and weekend. I have been thinking of using functions such as aggregate, ddply, but without a clue. Anybody who can give some suggestions will be highly appreciated. Thanks! Yinghua

...day value 2010-05-29 weekend 0.5225 2010-05-31 weekday 2.2352 … 2010-07-05 weekday 3.xxxx 2010-07-10 weekend 0.8005 The closest I find is http://www.mail-archive.com/r-help@r-project.org/msg130580.html But this one only summing values in each week, it does not sum values by weekday and weekend. I have been thinking of using functions such as aggregate, ddply, but without a clue. Anybody who can give some suggestions will be highly appreciated. Thanks! Yinghua [[alternative HTML version d...