Python 从Quandl返回的Numpy数据中有三个点

Python 从Quandl返回的Numpy数据中有三个点,python,numpy,quandl,Python,Numpy,Quandl,我在Python中尝试了以下代码: import quandl data2 = quandl.get("EIA/PET_RWTC_D", returns="numpy") print(data2) 然后我收到了反馈: 我可以知道这些“…”是什么意思吗?1986年到2019年间我的数据在哪里?这些点表示屏幕上没有显示的信息。1986年到2019年之间有一些记录没有打印出来,这样您的整个屏幕就不会溢出数据,就像pandas.DataFrame,如果您熟悉的话 通过检查形状,可以检查数据是否确实存

我在Python中尝试了以下代码:

import quandl
data2 = quandl.get("EIA/PET_RWTC_D", returns="numpy")
print(data2)
然后我收到了反馈:


我可以知道这些“…”是什么意思吗?1986年到2019年间我的数据在哪里?

这些点表示屏幕上没有显示的信息。1986年到2019年之间有一些记录没有打印出来,这样您的整个屏幕就不会溢出数据,就像
pandas.DataFrame
,如果您熟悉的话

通过检查形状,可以检查数据是否确实存在于数组中

>>> data.shape
(8350,)
切片阵列以查看任何区域中的数据

>>> data[3300:3320]
rec.array([('1999-01-05T00:00:00.000000000', 12.04),
       ('1999-01-06T00:00:00.000000000', 12.84),
       ('1999-01-07T00:00:00.000000000', 12.99),
       ('1999-01-08T00:00:00.000000000', 13.06),
       ('1999-01-11T00:00:00.000000000', 13.43),
       ('1999-01-12T00:00:00.000000000', 12.91),
       ('1999-01-13T00:00:00.000000000', 12.33),
       ('1999-01-14T00:00:00.000000000', 12.23),
       ('1999-01-15T00:00:00.000000000', 12.21),
       ('1999-01-19T00:00:00.000000000', 12.13),
       ('1999-01-20T00:00:00.000000000', 11.82),
       ('1999-01-21T00:00:00.000000000', 12.45),
       ('1999-01-22T00:00:00.000000000', 12.62),
       ('1999-01-25T00:00:00.000000000', 12.41),
       ('1999-01-26T00:00:00.000000000', 12.16),
       ('1999-01-27T00:00:00.000000000', 12.4 ),
       ('1999-01-28T00:00:00.000000000', 12.52),
       ('1999-01-29T00:00:00.000000000', 12.81),
       ('1999-02-01T00:00:00.000000000', 12.36),
       ('1999-02-02T00:00:00.000000000', 12.21)],
      dtype=[('Date', '<M8[ns]'), ('Value', '<f8')])
>>数据[3300:3320]
记录数组([('1999-01-05T00:00:00.000000000',12.04),
('1999-01-06T00:00:00.000000000',12.84),
('1999-01-07T00:00:00.000000000',12.99),
('1999-01-08T00:00:00.000000000',13.06),
('1999-01-11T00:00:00.000000000',13.43),
('1999-01-12T00:00:00.000000000',12.91),
('1999-01-13T00:00:00.000000000',12.33),
('1999-01-14T00:00:00.000000000',12.23),
('1999-01-15T00:00:00.000000000',12.21),
('1999-01-19T00:00:00.000000000',12.13),
('1999-01-20T00:00:00.000000000',11.82),
('1999-01-21T00:00:00.000000000',12.45),
('1999-01-22T00:00:00.000000000',12.62),
('1999-01-25T00:00:00.000000000',12.41),
('1999-01-26T00:00:00.000000000',12.16),
('1999-01-27T00:00:00.000000000',12.4),
('1999-01-28:00:00.000000000',12.52),
('1999-01-29T00:00:00.000000000',12.81),
('1999-02-01T00:00:00.000000000',12.36),
('1999-02-02T00:00:00.000000000',12.21)],
数据类型=[('Date','