Description Usage Arguments Details Value Note Examples

Create a matrix of unevenly spaced time series (`"uts_matrix"`

).

`is.uts_matrix`

returns `TRUE`

if its argument is a `"uts_matrix"`

object.

1 2 3 4 | ```
uts_matrix(data = uts(), nrow = 1, ncol = 1, byrow = FALSE,
dimnames = NULL)
is.uts_matrix(x)
``` |

`data` |
a |

`nrow` |
the desired number of rows. |

`ncol` |
the desired number of columns. |

`byrow` |
logical. If |

`dimnames` |
a |

`x` |
an |

If there are too few elements in data to fill the matrix, then the elements in data are recycled. However, compared to `matrix`

in base **R**, this function makes fewer guesses about how to coerce and recycle the data, and instead throws an error.

Class `"uts_matrix"`

inherits from class `"uts_vector"`

. Hence, a `"uts_matrix"`

supports all of the methods of a `"uts_vector"`

, such as `first`

, `last`

, `start`

, `end`

, etc., even though no such methods exist specifically for a `"uts_matrix"`

.

An object of class `"uts_matrix"`

.

An abstract class `"uts_virtual"`

exists from which `"uts"`

, `"uts_vector"`

, and `"uts_matrix"`

inherit: it is used to allow operations such as subtraction to mix the classes.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | ```
# Create using a single "uts" with recycling
uts_matrix(ex_uts(), 2, 3)
# Create using "uts_vector" with recycling
uts_matrix(ex_uts_vector(), 2, 3)
uts_matrix(ex_uts_vector(), 2, 2, byrow=TRUE)
uts_matrix(ex_uts_vector(), ncol=2)
# Empty "uts_matrix"
uts_matrix(nrow=2, ncol=3, dimnames=list(c("a", "b"), c("X", "Y", "Z")))
# One of the dimensions is of length zero
uts_matrix(nrow=0, ncol=4)
uts_matrix(nrow=4, ncol=0)
uts_matrix(nrow=0)
# The first test returns TRUE, the others return FALSE
is.uts_matrix(uts_matrix())
is.uts_matrix(uts_vector())
is.uts_matrix(ex_uts())
``` |

andreas50/utsMultivariate documentation built on May 12, 2019, 10:31 p.m.

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