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Module « numpy.matlib »

Fonction is_busday - module numpy.matlib

Signature de la fonction is_busday

Description

help(numpy.matlib.is_busday)

is_busday(
    dates,
    weekmask='1111100',
    holidays=None,
    busdaycal=None,
    out=None
)

Calculates which of the given dates are valid days, and which are not.

Parameters
----------
dates : array_like of datetime64[D]
    The array of dates to process.
weekmask : str or array_like of bool, optional
    A seven-element array indicating which of Monday through Sunday are
    valid days. May be specified as a length-seven list or array, like
    [1,1,1,1,1,0,0]; a length-seven string, like '1111100'; or a string
    like "Mon Tue Wed Thu Fri", made up of 3-character abbreviations for
    weekdays, optionally separated by white space. Valid abbreviations
    are: Mon Tue Wed Thu Fri Sat Sun
holidays : array_like of datetime64[D], optional
    An array of dates to consider as invalid dates.  They may be
    specified in any order, and NaT (not-a-time) dates are ignored.
    This list is saved in a normalized form that is suited for
    fast calculations of valid days.
busdaycal : busdaycalendar, optional
    A `busdaycalendar` object which specifies the valid days. If this
    parameter is provided, neither weekmask nor holidays may be
    provided.
out : array of bool, optional
    If provided, this array is filled with the result.

Returns
-------
out : array of bool
    An array with the same shape as ``dates``, containing True for
    each valid day, and False for each invalid day.

See Also
--------
busdaycalendar : An object that specifies a custom set of valid days.
busday_offset : Applies an offset counted in valid days.
busday_count : Counts how many valid days are in a half-open date range.

Examples
--------
>>> import numpy as np
>>> # The weekdays are Friday, Saturday, and Monday
... np.is_busday(['2011-07-01', '2011-07-02', '2011-07-18'],
...                 holidays=['2011-07-01', '2011-07-04', '2011-07-17'])
array([False, False,  True])

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