search for: base_tim

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2017 Sep 13
2
compounding precipitation based on whether falls within a day
...) of the 3D array of precipitation called prec. That is, I'd like to get a 3D array called prec*_daily* that has dimension prec*_daily*[21, 3, 4], where 21 is the number of days and the value in say prec*_daily*[1,x,y] is equal to prec[1,x,y] + prec[2,x,y] + ... + prec[24,x,y] ndays <- 21 base_time <- as.character('2001-12-31T23:00:00Z') hrs_since_base <- 1 # adding an extra second to the end b/c I'm paranoid about the midnight time stamp not being explicit beg_time <- as.POSIXct(base_time, format = "%Y-%m-%dT%H:%M:%SZ") + (hrs_since_base * 60 * 60) + 1 max_h...
2017 Sep 13
0
compounding precipitation based on whether falls within a day
...led prec. That is, I'd like to > get a 3D array called prec*_daily* that has dimension prec*_daily*[21, 3, > 4], > where 21 is the number of days and the value in say prec*_daily*[1,x,y] is > equal to prec[1,x,y] + prec[2,x,y] + ... + prec[24,x,y] > > > ndays <- 21 > base_time <- as.character('2001-12-31T23:00:00Z') > hrs_since_base <- 1 > > # adding an extra second to the end b/c I'm paranoid about the midnight > time stamp not being explicit > beg_time <- as.POSIXct(base_time, format = "%Y-%m-%dT%H:%M:%SZ") + > (hrs_sin...
2011 Nov 16
3
Interpolating hourly basis
I have a huge data set in the form of            V1           V2         V3   V4     V5  V6 1     201005010000201005010000 1.68291.38 1  0 2     201005010000201005010300 0.93335.10 1  0 3     201005010000201005010600 2.25 57.38 1  0 4     201005010000201005010900 0.43 13.76 1  0 5     201005010000201005011200 0.74101.14 1  0 I am interested in interpolating it on an hour basis(it's for avery