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Introduction to Importing Data in R

基础技能水平
更新时间 2026年3月
In this course, you will learn to read CSV, XLS, and text files in R using tools like readxl and data.table.
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课程描述

Importing data into R should be the easiest step in your analysis. Unfortunately, that is almost never the case. Data can come in many formats, ranging from .csv and text files, to statistical software files, to databases and HTML data. Knowing which approach to use is key to getting started with the actual analysis. In this course, you’ll start by learning how to read .csv and text files in R. You will then cover the readr and data.table packages to easily and efficiently import flat file data. After that, you will learn how to read .xls files in R using readxl.

先决条件

Introduction to R
1

Importing data from flat files with utils

A lot of data comes in the form of flat files: simple tabular text files. Learn how to import the common formats of flat file data with base R functions.
开始章节
2

readr & data.table

3

Importing Excel data

Excel is a widely used data analysis tool. If you prefer to do your analyses in R, though, you'll need an understanding of how to import .csv data into R. This chapter will show you how to use readxl to do so.
开始章节
4

Reproducible Excel work with XLConnect

Introduction to Importing Data in R
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