ndays: Number of Periods in Data

In xts: eXtensible Time Series

Number of Periods in Data

Description

Calculate the number of specified periods in a given time series like data object.

Usage

nseconds(x)
nminutes(x)
nhours(x)
ndays(x)
nweeks(x)
nmonths(x)
nquarters(x)
nyears(x)

Arguments

x	A time-based object

Details

Essentially a wrapper to endpoints with the appropriate period specified; the resulting value derived from counting the endpoints

As a compromise between simplicity and accuracy, the results will always round up to the nearest complete period. So n**** - 1 will return the completed periods.

For finer grain detail one should call a higher frequency n**** function.

An alternative summary can be found with periodicity and unclass(periodicity(x)).

Value

The number of observations for the period type specified

Author(s)

Jeffrey A. Ryan

See Also

endpoints

Examples

## Not run: 
getSymbols("QQQQ")

ndays(QQQQ)
nweeks(QQQQ)

## End(Not run)

xts documentation built on April 17, 2023, 1:07 a.m.