# 数据分析的基础 – 第1部分：使用R的统计

## Foundations of Data Analysis - Part 1: Statistics Using R

Use R to learn fundamental statistical topics such as descriptive statistics and modeling.

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edX • 完成时间大约为 6
• 初级
• 英语

### 你将学到什么

Descriptive Statistics

How to visualize data

Data structure and how to examine it

Basic R programming (guided through tutorials)

Simple modeling of linear, exponential, and logistic growth

### 课程概况

In this first part of a two part course, we’ll walk through the basics of statistical thinking – starting with an interesting question. Then, we’ll learn the correct statistical tool to help answer our question of interest – using R and hands-on Labs. Finally, we’ll learn how to interpret our findings and develop a meaningful conclusion.

This course will consist of:

Instructional videos for statistical concepts broken down into manageable topics
Weekly tutorial videos for using R Scaffolded learning with Pre-Labs (using R), followed by Labs where we will answer specific questions using real-world datasets
Weekly wrap-up questions challenging both topic and application knowledge
We will cover basic Descriptive Statistics – learning about visualizing and summarizing data, followed by a “Modeling” investigation where we’ll learn about linear, exponential, and logistic functions. We will learn how to interpret and use those functions with basic Pre-Calculus. These two “units” will set the learner up nicely for the second part of the course: Inferential Statistics with a multiple regression cap.

Both parts of the course are intended to cover the same material as a typical introductory undergraduate statistics course, with an added twist of modeling. This course is also intentionally devised to be sequential, with each new piece building on the previous topics. Once completed, students should feel comfortable using basic statistical techniques to answer their own questions about their own data, using a widely available statistical software package (R).

With these new skills, learners will leave the course with the ability to use basic statistical techniques to answer their own questions about their own data, using a widely available statistical software package (R). Learners from all walks of life can use this course to better understand their data, to make valuable informed decisions.

Join us in learning how to look at the world around us. What are the questions? How can we answer them? And what do those answers tell us about the world we live in?

### 课程大纲

Week One: Introduction to Data
Why study statistics?
Variables and data
Getting to know R and RStudio

Week Two: Univariate Descriptive Statistics
Graphs and distribution shapes
The Normal distribution
Z-scores

Week Three: Bivariate Distributions
The scatterplot
Correlation

Week Four: Bivariate Distributions (Categorical Data)
Contingency tables
Conditional probability
Examining independence

Week Five: Linear Functions
What is a function?
Least squares
The Linear function – regression

Week Six: Exponential and Logistic Function Models
Exponential data
Logs
The Logistic function model
Picking a good mode Apple 广告
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