asof_locs(self, where: 'Index', mask: 'np.ndarray') -> 'npt.NDArray[np.intp]'
As in the asof
function, if the label (a particular entry in where
) is not in the index, the latest index label up to the passed label is chosen and its index returned.
If all of the labels in the index are later than a label in where
, -1 is returned.
:None:None:`mask` is used to ignore NA values in the index during calculation.
An Index consisting of an array of timestamps.
Array of booleans denoting where values in the original data are not NA.
An array of locations (indices) of the labels from the Index which correspond to the return values of the asof
function for every element in where
.
Return the locations (indices) of labels in the index.
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