positions-class
Virtual Classes for Time-Related Objects

### Description

The positions, positionsNumeric, and positionsCalendar classes are virtual classes that represent positions for series objects. The timeInterval class represents time intervals.

### Details

- The positionsNumeric class is a class union of numericSequence and numeric, allowing representations of numeric positions either by a sequence object or simply a vector.
- The positionsCalendar is a VIRTUAL class and is extended by timeDate and timeSequence.
- The positions class is a class union of positionsNumeric and positionsCalendar.
- The timeInterval class is extended by timeSpan and timeRelative.

See Also
timeDate class and timeSequence class.
Package splusTimeDate version 6.1.5-18
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