DataFrame.asof()

DataFrame.asof(where, subset=None) [source]

The last row without any NaN is taken (or the last row without NaN considering only the subset of columns in the case of a DataFrame)

New in version 0.19.0: For DataFrame

If there is no good value, NaN is returned.

Parameters:

Parameters:	where : date or array of dates subset : string or list of strings, default None if not None use these columns for NaN propagation
Returns:	where is scalar value or NaN if input is Series Series if input is DataFrame where is Index: same shape object as input

where : date or array of dates

subset : string or list of strings, default None

if not None use these columns for NaN propagation

Returns:

where is scalar

where is Index: same shape object as input

Dates are assumed to be sorted Raises if this is not the case

Links:

doc_Pandas

2017-01-12 04:45:31

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