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In diesem Kurs gibt es 3 Module
Build confidence working with messy, real-world data. In this course, you’ll learn how to import, clean, and organize data in R so that it’s ready for analysis, visualization, or modeling.
Using dplyr, tidyr, and other Tidyverse tools, you’ll practice joining datasets, reshaping data, and creating efficient data pipelines that support reproducible work. You’ll also explore how to responsibly collect and scrape data from online sources, including ethical and legal considerations.
By the end of this course, you’ll know how to transform raw datasets into structured, tidy formats and you’ll understand how responsible data handling and documentation are essential to high-quality, ethical data science.
Tidy datasets have a specific structure: each variable is a column, and each observation is a row. In this module, we use functional verbs from the dplyr package in R to transform data into a ready-to-use tidy data format. Additionally, we use functional verbs to manipulate data frames.
Code Along :: Country Populations Over Time•24 Minuten
Joining Data•10 Minuten
Code Along :: Continent Populations•25 Minuten
12 Lektüren•Insgesamt 115 Minuten
Course Overview•10 Minuten
Meet Your Instructors•10 Minuten
Get Ready to Compute with R and RStudio!•10 Minuten
Discussion Guidelines•10 Minuten
Report a problem with the course•5 Minuten
JSS :: Tidy Data•10 Minuten
R4DS :: Chp 5 - Data Tidying (Sections 5.3 and 5.4)•10 Minuten
Code Along :: Country Populations Over Time - Companion•10 Minuten
Code Along :: Country Populations Over Time - Companion (Complete)•10 Minuten
R4DS :: Chp 19.1 - 19.4 - Joins•10 Minuten
Code Along :: Continent Populations - Companion•10 Minuten
Code Along :: Continent Populations - Companion (Complete)•10 Minuten
1 Aufgabe•Insgesamt 60 Minuten
Tidy Data Quiz•60 Minuten
2 Diskussionsthemen•Insgesamt 20 Minuten
Course Introductions•10 Minuten
Tidy Basketball Reflection (Optional)•10 Minuten
1 Plug-in•Insgesamt 15 Minuten
Tidy Basketball•15 Minuten
Importing + Recoding Data
Modul 2•5 Stunden abzuschließen
Moduldetails
A column in our data set can be stored as many different types, such as numbers or characters. These different data types inform how R treats the data, and whether certain functions are compatible to use with certain types of data. In this module, we discuss more in detail, the different data types classified by R, data classes, as well as how to recode variables in a data set to be different types, classes, or take on different values.
Code Along :: That's My Type - Companion•10 Minuten
Code Along :: That's My Type - Companion (Complete)•10 Minuten
R4DS :: Chp 16 - Factors•10 Minuten
R4DS :: Chp 17 - Dates and Times•10 Minuten
Code Along :: Halving CO2 Emissions - Companion•10 Minuten
Code Along :: Halving CO2 Emissions - Companion (Complete)•10 Minuten
R4DS :: Chp 7 - Data Import•10 Minuten
R4DS :: Chp 20 - Spreadsheets•10 Minuten
Code Along :: Importing and Recoding - Companion•10 Minuten
Code Along :: Importing and Recoding - Companion (Complete)•10 Minuten
1 Aufgabe•Insgesamt 60 Minuten
Importing + Recoding Data Quiz•60 Minuten
1 Diskussionsthema•Insgesamt 10 Minuten
Nobel Prize Winners & Sales Data Reflection (Optional)•10 Minuten
1 Plug-in•Insgesamt 15 Minuten
Nobel Prize Winners & Sales Data•15 Minuten
Web Scraping and Programming
Modul 3•3 Stunden abzuschließen
Moduldetails
Web scraping is the process of extracting this information automatically and transforming it into a structured dataset. In this module, we go over how to perform basic web scraping in R to make an abundance of data online more easily accessible.
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