DataFrame.dropna()
pandas.DataFrame.dropna
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DataFrame.dropna(axis=0, how='any', thresh=None, subset=None, inplace=False)
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Return object with labels on given axis omitted where alternately any or all of the data are missing
Parameters: axis : {0 or ‘index’, 1 or ‘columns’}, or tuple/list thereof
Pass tuple or list to drop on multiple axes
how : {‘any’, ‘all’}
- any : if any NA values are present, drop that label
- all : if all values are NA, drop that label
thresh : int, default None
int value : require that many non-NA values
subset