Displaying 3 results from an estimated 3 matches for "mysampletime".
2017 Aug 19
4
My very first loop!! I failed. May I have some start-up aid?
...t;54.751")
)
myframe
# Now this is where my loop is supposed to start. In this example I want
to run the following functions 3 times. (In real life more often.) How
do I do that?
library(adehabitatHR)
library(rgdal)
mysample <- myframe[sample(1:nrow(myframe), 3,replace=FALSE),]
mysample
mysampletime <- as.POSIXct (strptime(as.character(mysample$Timestamp),
"%d.%m.%Y %H:%M"), tz="GMT")
mysamplexy <- project (cbind (mysample$Longitude, mysample$Latitude),
"+proj=utm +zone=32 +ellps=WGS84")
colnames(mysamplexy) <- c ("xCord", "yCord")
I...
2017 Aug 19
0
My very first loop!! I failed. May I have some start-up aid?
...y loaded
#> Loaded GDAL runtime: GDAL 1.11.3, released 2015/09/16
#> Path to GDAL shared files: /usr/share/gdal/1.11
#> Loaded PROJ.4 runtime: Rel. 4.9.2, 08 September 2015, [PJ_VERSION: 492]
#> Path to PROJ.4 shared files: (autodetected)
#> Linking to sp version: 1.2-5
myframe$mysampletime <- as.POSIXct( myframe$Timestamp
, format = "%d.%m.%Y %H:%M"
, tz="GMT"
)
set.seed( 42 )
N <- 3
result <- matrix( NA, nrow = 16, ncol = N )
for ( i in seq.int( N )...
2017 Aug 19
0
My very first loop!! I failed. May I have some start-up aid?
...often.) How do I
> do that?
>
> library(adehabitatHR)
> library(rgdal)
>
you should use require instead of library if this is a script, require
returns boolean, whereas library raises an exception.
mysample <- myframe[sample(1:nrow(myframe), 3,replace=FALSE),]
> mysample
> mysampletime <- as.POSIXct (strptime(as.character(mysample$Timestamp),
> "%d.%m.%Y %H:%M"), tz="GMT")
> mysamplexy <- project (cbind (mysample$Longitude, mysample$Latitude),
> "+proj=utm +zone=32 +ellps=WGS84")
> colnames(mysamplexy) <- c ("xCord", &q...