Just For My Daily Diary
Just For My Daily Diary
In this notebook, we’re going to be working with different character encodings. 在本笔记本中，我们将使用不同的字符编码。 Let’s get started! 让我们开始吧！ Get our environment set up 设置我们的环境 The first thing we’ll need to do is load in the libraries we’ll be using. Not our dataset, though: we’ll get to it later! 我们需要做的第一件事是加载我们将使用的库。 不过，这不是我们的数据集：我们稍后会处理它！ # modules we'll use import pandas […]
Time-series plotting (Optional) 时间序列绘图（可选） In all of the sections thus far our visualizations have focused on and used numeric variables: either categorical variables, which fall into a set of buckets, or interval variables, which fall into an interval of values. In this notebook we will explore another type of variable: a time-series variable. 到目前为止，在所有部分中，我们的可视化都集中在并使用了数字变量：要么是属于一组用桶(buckets)存储的 calcategories […]
This notebook is an exercise in the Data Cleaning course. You can reference the tutorial at this link. In this exercise, you’ll apply what you learned in the Parsing dates tutorial. 在本练习中，您将应用在 解析日期 教程中学到的知识。 Setup 设置 The questions below will give you feedback on your work. Run the following cell to set up the feedback […]
In this notebook, we’re going to work with dates. 在此笔记本中，我们将处理日期。 Let’s get started! 让我们开始吧！ Get our environment set up 设置我们的环境 The first thing we’ll need to do is load in the libraries and dataset we’ll be using. We’ll be working with a dataset that contains information on landslides that occured between 2007 and 2016. In […]
This notebook is an exercise in the Data Cleaning course. You can reference the tutorial at this link. In this exercise, you’ll apply what you learned in the Scaling and normalization tutorial. 在本练习中，您将应用在缩放和规范化教程中学到的知识。 Setup 设置 The questions below will give you feedback on your work. Run the following cell to set up the feedback system. […]
In this notebook, we’re going to be looking at how to scale and normalize data (and what the difference is between the two!). 在本笔记本中，我们将研究如何缩放和标准化数据（以及两者之间的区别！）。 Let’s get started! 让我们开始吧！ Get our environment set up 设置我们的环境 The first thing we’ll need to do is load in the libraries we’ll be using. 我们需要做的第一件事是加载我们将使用的库。 # modules we'll use import […]
This notebook is an exercise in the Data Cleaning course. You can reference the tutorial at this link. In this exercise, you’ll apply what you learned in the Handling missing values tutorial. 在本练习中，您将应用在处理缺失值教程中学到的知识。 Setup 设置 The questions below will give you feedback on your work. Run the following cell to set up the feedback system. […]
Welcome to the Data Cleaning course on Kaggle Learn! 欢迎来到 Kaggle Learn 上的数据清理课程！ Data cleaning is a key part of data science, but it can be deeply frustrating. Why are some of your text fields garbled? What should you do about those missing values? Why aren’t your dates formatted correctly? How can you quickly clean […]
This notebook is an exercise in the SQL course. You can reference the tutorial at this link. Introduction 介绍 Stack Overflow is a widely beloved question and answer site for technical questions. You’ll probably use it yourself as you keep using SQL (or any programming language). Stack Overflow 是一个广受欢迎的技术问题问答网站。 当您继续使用 SQL（或任何编程语言）时，您可能会使用它。 Their data is publicly […]
Introduction 介绍 You have the tools to obtain data from a single table in whatever format you want it. But what if the data you want is spread across multiple tables? 您可以使用工具以您想要的任何格式从单个表中获取数据。 但是，如果您想要的数据分布在多个表中怎么办？ That’s where JOIN comes in! JOIN is incredibly important in practical SQL workflows. So let’s get started. 这就是 JOIN 发挥作用的地方！ JOIN 在实际 […]