beginner

Introduction to Programming with R

Data Science

5 courses

130 practices

8 hours

R is a leading language in data science and statistics due to its robust packages and versatility. This path covers essential R skills, from basics to advanced data manipulation and visualization, preparing you for proficient data analysis.

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Verified skills you'll gain

DEVELOPING

Exploratory Data Analysis and Visualization

DEVELOPING

Data Cleaning and Preprocessing

Tools you'll use

ggplot2

Tidyverse

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Course 2

Data Frames in R

6 lessons

30 practices

Dive into one of the most essential data structures in R: data frames. This course will teach you how to create, manipulate, and perform operations on data frames, a fundamental skill for data analysis and manipulation.

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Course 3

Intermediate Data Manipulation with dplyr

5 lessons

25 practices

Advance your data manipulation skills using the dplyr package. This course covers essential dplyr functions for filtering, selecting, mutating, summarizing, and more. By the end, you'll be proficient in creating efficient data pipelines for real-world datasets.

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Course 4

Mastering Data Wrangling with tidyr

5 lessons

25 practices

Gain expertise in reshaping and tidying data using the tidyr package. This course will equip you with the skills to transform data into a tidy format, manage missing values effectively, and pivot data frames seamlessly. By the end of this course, you will be proficient in preparing data for comprehensive analysis, enabling you to handle real-world data challenges with confidence.

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Course 5

Comprehensive Data Visualization with ggplot2

5 lessons

25 practices

Unleash your creativity in data visualization with ggplot2. This final course covers the essentials of creating and customizing visualizations, from basic plots to advanced graphical representations. Perfectly conclude your learning path, equipping you with the ability to visualize complex data insights.

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I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

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Jonathan Miller

Senior Machine Learning Engineer

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I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11