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Diffstat (limited to 'man/dataSlice.Rd')
| -rw-r--r-- | man/dataSlice.Rd | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/man/dataSlice.Rd b/man/dataSlice.Rd index a34e7c6..cd3af74 100644 --- a/man/dataSlice.Rd +++ b/man/dataSlice.Rd @@ -9,11 +9,12 @@ dataSlice(data, start = NULL, end = NULL, freq = NULL) \arguments{ \item{data}{an object of class \code{idframe}} -\item{start}{the start index} +\item{start}{the start time of the period of interest} -\item{end}{the end index} +\item{end}{the end time of the period of interes} -\item{freq}{the new sampling frequency} +\item{freq}{fraction of the original frequency at which the series +to be sampled.} } \value{ an idframe object @@ -25,15 +26,15 @@ and \code{end}. If a frequency is specified, the series is then re-sampled at t new frequency. } \details{ -The dataSlice function extends the \code{\link[stats]{window}} function for idframe -objects +The dataSlice function extends the \code{\link[stats]{window}} +function for idframe objects } \examples{ data(cstr) cstrsub <- dataSlice(cstr,start=200,end=400) # extract between indices 200 and 400 cstrTrain <- dataSlice(cstr,end=4500) # extract upto index 4500 cstrTest <- dataSlice(cstr,start=6501) # extract from index 6501 till the end -cstr_new <- dataSlice(cstr,freq=3) # resample data at thrice the frequency +cstr_new <- dataSlice(cstr,freq=0.5) # resample data at half the original frequency } \seealso{ \code{\link[stats]{window}} |