search for: dflow

Displaying 2 results from an estimated 2 matches for "dflow".

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taking daily means from hourly data
2010 Jul 15
2
taking daily means from hourly data
...: : : : : Time is of class POSIXct I wish to take daily means of the flow, levels, and wind parameters and put them into a new dataframe. I envisage doing this with the following example code: morgan$fTime <- factor(substr(as.character(morgan$Time),1,10)) dflow <- tapply(morgan[,"flow"], morgan$fTime, mean) day <- tapply(morgan[,"Time"], morgan$fTime, mean) : : daily <- as.data.frame(cbind(day,dflow, dlev.morg,dlev.lock2, ...)) daily$day <- with(daily, as.POSIXct("1970-01-01", "%Y-%m-%d", tz="A...
strsplit (regex)
2008 Nov 11
2
strsplit (regex)
...;, "RM119Turbidity.", "RM119Battery", "RM119DO.", "RM61Temp", "RM61SpCond", "RM61DO.Conc", "RM61Depth", "RM61pH", "RM61ORP", "RM61Turbidity.", "RM61Battery", "RM61DO.", "NSBL.Dflow", "RM148flow", "RM119flow", "RM61flow", "RM190heat", "RM185heat", "RM148heat", "RM119heat", "RM61heat", "RM190DOmass", "RM185DOmass", "RM148DOmass", "RM119DOmass", "RM61...