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R: ts class

A time series (ts) object is a vector (univariate) or matrix (multivariate) with additional attributes:

time indices for each observation
sampling frequency
time increment between observations
cycle length for periodic data

Usually, ts objects are used for data that was observed at equallly spaced time points.

See also

The ts function which produces time series.

The timeSeries class which is specifically geared towards finances. It differs from ts in that it allows for irregular timeseries.

R classes (such as timeSeries)