edit: patch .values warning in time_series.ipynb #1576
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Edited time_series.ipynb. In some recent stable Pandas versions, warning occurs when trying to call
.values
method with pandas.core.series.Series object. In this reason, edited.values
method to.to_numpy()
method to makepandas.core.series.Series
object to convertnumpy.ndarray
object, which pandas official documents recommended (https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.values.html). There is a rationale behind (pandas-dev/pandas#19954). Another way that convert pandas.core.series.Series object with index to numpy.ndarray object is call.array
method, which works similar with.to_numpy()
. In that case, Series object convert intopandas.core.arrays.numpy_.PandasArray
object.