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...ent climate models which are different in for example time calendar and grid coordinates. To analyze monthly means I have been using the function /chron/ for 365 day calendar time series. Originally the time is in numbers (1,2....,14600). This is for the timeperiod: 1961-2000. library(chron) syntime <- var.get.nc(nc, "time") time =chron(syntime, origin=c(month=1, day=1, year=1961)) jan <- months(time)=="Jan" feb <- months(time)=="Feb" mar <- months(time)=="Mar" apr <- months(time)=="Apr" may <- months(time)=="May"...

Dear All, I am a research student in environment. I have only little programming knowledge. I am currently doing the last project about rainfall impact on ground water quality in an area. It happens that I have to use R to read rainfall data (3 dimension) from ASC file (*.asc), and then write them into one NCDF file (*.nc). I have been working very hard on study R, but I

Hi, I followed the discussions regarding the "time moved backward" problem and the use of ntp in such cases. At our department we are running two dovecot servers within an vmware server environment, and unfortunately the timedrift (with ntpd active) exceeds sometimes up to 30 minutes virtual drift within 10 minutes realtime (mostly into future). This is due to some overcorrections