gs_quant.timeseries.datetime.year

year(x)[source]

Year of each value in series

Parameters:

x (Series) – time series

Return type:

Series

Returns:

year of observations

Usage

Returns the year as a numeric value for each observation in the series:

\(Y_t = year(t)\)

Year of the time or date is the integer year number, e.g. 2019, 2020

Examples

Year for observations in series:

>>> series = generate_series(100)
>>> days = year(series)

See also

day() month()