1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
\name{isUnivariate}
\alias{isUnivariate}
\alias{isMultivariate}
\title{Checks if a time series is univariate}
\description{
Checks if a time series object or any other rectangular object is
univariate or multivariate.
}
\usage{
isUnivariate(x)
isMultivariate(x)
}
\arguments{
\item{x}{
an object of class \code{"timeSeries"} or any other rectangular
object.
}
}
\details{
A rectangular object \code{x} is considered to be univariate if the
function \code{NCOL(x)} returns one, and is considered to be
multivariate if \code{NCOL(x)} returns a value bigger than one.
}
\value{
a logical value
}
\examples{
## Load Microsoft Data -
setRmetricsOptions(myFinCenter = "GMT")
data(MSFT)
Open = MSFT[, "Open"]
## Is the 'timeSeries' Univariate -
isUnivariate(MSFT)
isUnivariate(Open)
## Is the 'timeSeries' Multivariate -
isMultivariate(MSFT)
isMultivariate(Open)
}
\keyword{chron}
|
