times-methods

0th

Percentile

Compute Time Statistics of Sequences

Computes the gaps, the minimum or maximum gap, or the span of sequences.

Keywords
methods
Usage
# S4 method for timedsequences
times(x, type = c("times", "gaps", "mingap", "maxgap", "span"))
Arguments
x

an object.

type

a string value specifying the type of statistic.

Value

If type = "items" returns a list of vectors of events times corresponding with the elements of a sequence.

If type = "gaps" returns a list of vectors of time differences between consecutive elements of a sequence.

Otherwise, a vector corresponding with the elements of x.

Note

Gap statistics are not defined for sequences of size one, i.e. which contain a single element. NA is used for undefined values.

FIXME lists are silently reduced to vector if possible.

See Also

Class '>sequences, '>timedsequences, method size, itemFrequency, timeFrequency.

Aliases
  • times
  • times,timedsequences-method
Examples
# NOT RUN {
## continue example
example("timedsequences-class")

##
times(z)
times(z, "gaps")

## all defined
times(z, "span")

## crosstab
table(size = size(z), span = times(z, "span"))
# }
Documentation reproduced from package arulesSequences, version 0.2-19, License: GPL-2

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