search for: myframe3

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2012 Dec 07
0
apply a function at: dateX, dateX+1, dateX+2, ....
...ot;%d.%m.%Y %H:%M"), tz="GMT") myframe2 <- cbind (myframe,myframestime) myframe2$Timestamp <- NULL myframesxy <- project(cbind(myframe2$Longitude,myframe2$Latitude),"+proj=utm +zone=32 +ellps=WGS84") colnames(myframesxy) <- c("Long", "Lat") myframe3 <- cbind(myframe2, myframesxy) myframe3$Longitude <- NULL myframe3$Latitude <- NULL myframe3 str(myframe3) # and this is what I did with the help of Dennis Murphy last week: myframe3$day <- as.Date(myframe3$myframestime) hrfun <- function(d) { dxy <- d[, c("Long"...
2012 Nov 27
5
loop with date
Hello, I tried to construct my very first loop today and completly failed :-( Maybe someone can help me? I have a dataframe somewhat like this one: myframe <- data.frame (Timestamp=c("24.09.2012 09:00", "24.09.2012 10:00", "24.09.2012 11:00", "25.09.2012 09:00", "25.09.2012 10:00", "25.09.2012