# Sample Ranks of a Time Series

### Description

Returns the sample ranks of the values of a 'timeSeries' object.

### Usage

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### Arguments

`x` |
an univariate object of class |

`na.last` |
for controlling the treatment of NAs. If TRUE, missing values in the data are put last; if FALSE, they are put first; if NA, they are removed; if "keep" they are kept with rank NA. |

`ties.method` |
a character string specifying how ties are treated; can be abbreviated. |

### Details

If all components are different (and no NAs), the ranks are well
defined, with values in `seq_len(x)`

. With some values equal
(called ???ties???), the argument ties.method determines the result at
the corresponding indices. The `"first"`

method results in a
permutation with increasing values at each index set of ties. The
`"random"`

method puts these in random order whereas the
default, `"average"`

, replaces them by their mean, and
`"max"`

and `"min"`

replaces them by their maximum
and minimum respectively, the latter being the typical sports
ranking.

NA values are never considered to be equal: for `na.last = TRUE`

and `na.last = FALSE`

they are given distinct ranks in the order
in which they occur in `x`

.

### Value

returns the ranks of a `timeSeries`

object.

### Examples

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