search for: study_seq

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

code reduction (if anyone feels like it)
2008 Jul 15
1
code reduction (if anyone feels like it)
...81.7547337, 33.1514072), nrow=1) RM119 <- matrix(c(-81.501919, 32.94038), nrow=1) RM61 <- matrix(c(-81.262388, 32.524739), nrow=1) RM215.sp <- SpatialPoints(RM215, proj4string=CRS("+proj=longlat +datum=WGS84")) d060101 <- as.POSIXct("2006-01-01", tz="EST") study_seq <- seq(from=d060101, length.out=761, by="days") up.215 <- sunriset(RM215.sp, study_seq, direction="sunrise", POSIXct.out=TRUE) down.215 <- sunriset(RM215.sp, study_seq, direction="sunset", POSIXct.out=TRUE) SC.sp <- SpatialPoints(SC, proj4string=CRS("...
POSIXct extract time
2008 Jul 15
2
POSIXct extract time
RM215.sp <- SpatialPoints(RM215, proj4string=CRS("+proj=longlat +datum=WGS84")) d060101 <- as.POSIXct("2006-01-01", tz="EST") study_seq <- seq(from=d060101, length.out=761, by="days") up.215 <- sunriset(RM215.sp, study_seq, direction="sunrise", POSIXct.out=TRUE) down.215 <- sunriset(RM215.sp, study_seq, direction="sunset", POSIXct.out=TRUE) #I would like to extract just the time part of the o...