Series does not upconvert datetimes to datetime64 · Issue #2809 · pandas-dev/pandas (original) (raw)
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import pandas as pd ind = pd.date_range(start="2000-01-01", freq="D", periods=10) datetimes = [ts.to_pydatetime() for ts in ind]
datetime_s = pd.Series(datetimes) datetime_s.dtype
object
df = pd.DataFrame({'datetime_s':datetime_s}) print df.dtypes #datetime64
Shouldn't Series upconvert to datetime64 since the DataFrame columns do?
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