Load the list of S&P 500 companies from Wikepediaimport pandas as pd def load_data(url): html = pd.read_html(ur

Coordinates reference system tells Python how the coordinates related to places on the Earth, different coordinates proj

Import Python modulesimport numpy as np import matplotlib.pyplot as plt from mpl_toolkits import mplot3d Create a 3D ca

Data PreparationStatistisk sentralbyrå (SSB) is the Norwegian statistics bureau, it publishes about 1000 new statistical

Data PreparationGPS data visualization is useful especially the data contains extra information besides the coordinates,

Data preparationFetch MNIST dataset which contains a set of 70,000 small images of digits handwritten by high school stu

Data PreparationThe widely used dataset: California Housing Prices to note down several ways to handle text and categori

Data PreparationThe widely used dataset: California Housing Prices to note down two ways to apply one of the most import

Data PreparationThe widely used dataset: California Housing Prices to note down two ways to handle missing values in dat

Data PreparationWe are going to use a widely used dataset: California Housing Prices to note down two common ways to ill

从Keras自带MNIST数据集中读取数据MNIST dataset, a large database of handwritten digits that is commonly used for training various im

Python中关于时间的处理方式由于时间是不同于一般数字的另外一种格式，如何处理包含日期在内的时间问题，和各种之间格式之间的转换在面对财务时间数据分析时特别重要，Python提供了多种时间处理方式，这份笔记简单记录这些方法。 datetim