Re: [R] Unable to create/index a zoo irregular timeseries

Here are two ways of doing it with POSIXct and one with chron. Read RNews 4/1, ?read.zoo and the three zoo vignettes: Lines <- '"Data","MAX","MIN","Note" "07-01-2008 08:00:00", 135, 90, "Eccessi feste, inizio dieta" "07-01-2008 18:00:00", 135, 85, "" "08-01-2008 08:00:00", 125, 75, "" ' library(zo

Re: [R] Unable to create/index a zoo irregular timeseries

You need to convert to POSIXct since POSIXlt is a vector of size 9. So do the following: miedate <- as.POSIXct(strptime(as.character(pressione[,1]), format="%d-%m-%Y %H:%M:%S")) There is a newsletter (I forget the issue) that you might want to refer to on using 'dates'. On 2/21/08, vittorio <

[R] Unable to create/index a zoo irregular timeseries

In the text file pressione2008.csv I have the following "Data","MAX","MIN","Note" "07-01-2008 08:00:00", 135, 90, "Eccessi feste, inizio dieta" "07-01-2008 18:00:00", 135, 85, "" "08-01-2008 08:00:00", 125, 75, "" which is a collection of blood pressure data at different time of the day. I woul