endpoints | R Documentation |

Extract index values of a given `Raster*TS`

object corresponding
to the *last* observations given a period specified by `on`

.

endpoints(x, on="months", k=1)

`x` |
a raster time series ( |

`on` |
the periods endpoints to find as a character string |

`k` |
along every k-th element - see notes |

This function is, indeed, `endpoints`

in xts that works with `Raster*TS`

objects. It returns a numeric vector corresponding to the *last* observation in each period specified by `on`

, with a zero added to the beginning of the vector, and the index of the last raster in `x`

at the end.

Valid values for the argument `on`

include: “us” (microseconds),
“microseconds”, “ms” (milliseconds),
“milliseconds”, “secs” (seconds),
“seconds”, “mins” (minutes), “minutes”,
“hours”, “days”, “weeks”, “months”, “quarters”,
and “years”.

A numeric vector of endpoints beginning with 0 and ending with a value equal to the number of raster layers in the x argument.

Windows support for subsecond periods is not supported.

Babak Naimi

`endpoints`

## Not run: file <- system.file("external/ndvi", package="rts") ndvi <- rts(file) # read the ndvi time series from the specified file endpoints(ndvi,"years") endpoints(ndvi,"quarters") ## End(Not run)

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