- Python数据整理
- (美)提尔塔吉奥蒂·萨卡 (印)舒布哈迪普·罗伊乔杜里
- 187字
- 2025-02-14 17:47:38
练习37:创建pandas序列
在本练习中,我们将学习如何从创建的数据结构中创建pandas序列对象。如果你将pandas导入为pd,那么创建序列的函数就是pd.Series。
1.初始化标签、列表和字典:
![](https://epubservercos.yuewen.com/63BD11/17517093106688706/epubprivate/OEBPS/Images/055-i.jpg?sign=1739609512-6afp5YAn3dgNEJkkO1QD4VIMFqMqHCIl-0-46a3d197031cc9b053683159f3780b00)
输出如下:
![](https://epubservercos.yuewen.com/63BD11/17517093106688706/epubprivate/OEBPS/Images/055-2-i.jpg?sign=1739609512-StJi1XvfnDHqE5yUPAgV2NhtumNRHwgw-0-ab27abc18f9373a5b070c5ba6fbf9c74)
2.使用以下命令,将pandas导入为pd:
![](https://epubservercos.yuewen.com/63BD11/17517093106688706/epubprivate/OEBPS/Images/055-3-i.jpg?sign=1739609512-QWZRtpk9hgVAfkizrGSvFJc8F5tcFzOL-0-9eb86321385577f7491b85dd2914b91d)
3.使用以下命令,从my_data列表中创建序列:
![](https://epubservercos.yuewen.com/63BD11/17517093106688706/epubprivate/OEBPS/Images/055-4-i.jpg?sign=1739609512-IZ1luklbiFNCH019MWZNpFuLj7F1byoY-0-4965412e4c73e0f758745db6bb7c63c0)
输出如下:
![](https://epubservercos.yuewen.com/63BD11/17517093106688706/epubprivate/OEBPS/Images/055-5-i.jpg?sign=1739609512-VRPbc3ghGa2R1Ji5DjB3KPlzf50uTTiF-0-c3439bbc7c21ebc777cc885a2d198451)
4.从带有labels的my_data列表中创建序列,如下所示:
![](https://epubservercos.yuewen.com/63BD11/17517093106688706/epubprivate/OEBPS/Images/055-6-i.jpg?sign=1739609512-L9FiWuycAB7s09eBrGERmABEYQbLRjgv-0-e6a29019163f7451e256048b4b5a4f3f)
输出如下:
![](https://epubservercos.yuewen.com/63BD11/17517093106688706/epubprivate/OEBPS/Images/055-7-i.jpg?sign=1739609512-TCKn05fDqpAIhIiqvncQBEQWBGjYsDKo-0-32e9e720149d8c2e8a8341bbeaba381e)
5.然后,从NumPy数组中创建序列,如下所示:
![](https://epubservercos.yuewen.com/63BD11/17517093106688706/epubprivate/OEBPS/Images/055-8-i.jpg?sign=1739609512-fEijqzTag9cvQNmXjpQ5X28c9EjP26s8-0-a5afb5325aec726a39815d834ef71377)
输出如下:
![](https://epubservercos.yuewen.com/63BD11/17517093106688706/epubprivate/OEBPS/Images/056-i.jpg?sign=1739609512-9RSB9ENuzgf84famXpAuN7e8dJJm8Emd-0-d582a34b18b69c305dcfe408954d908e)
6.从字典中创建序列,如下所示:
![](https://epubservercos.yuewen.com/63BD11/17517093106688706/epubprivate/OEBPS/Images/056-2-i.jpg?sign=1739609512-nY6fBQAC09aFXUtI9nA5OcagSfkNs137-0-df20e2f3c099255ed2439be510bfdcaa)
输出如下:
![](https://epubservercos.yuewen.com/63BD11/17517093106688706/epubprivate/OEBPS/Images/056-3-i.jpg?sign=1739609512-agtYVKUjE406bVtoESbmnuIixPAEnQYj-0-3d09821a011d7f52f053de4267c99616)