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Introduction to Writing Functions in R

Beginner
4.7+
31 reviews
Updated 01/2025
Take your R skills up a notch by learning to write efficient, reusable functions.
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RProgramming4 hours14 videos52 exercises4,350 XP45,889Statement of Accomplishment

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Course Description

Being able to write your own functions makes your analyses more readable, with fewer errors, and more reusable from project to project. Function writing will increase your productivity more than any other skill! In this course you'll learn the basics of function writing, focusing on the arguments going into the function and the return values. You'll be writing useful data science functions, and using real-world data on Wyoming tourism, stock price/earnings ratios, and grain yields.

Prerequisites

Introduction to the TidyverseIntermediate R
1

How to Write a Function

Start Chapter
2

All About Arguments

Start Chapter
3

Return Values and Scope

Start Chapter
4

Case Study on Grain Yields

Start Chapter
Introduction to Writing Functions in R
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*4.7
from 31 reviews
81%
16%
0%
3%
0%
  • Stephen N.
    12 days

    Very clearly taught, pulled in and organically integrated material from previous courses, explained the "why" behind each step, and (importantly) no fiddly syntax to complete the exercises, which suggests the instructor thought through the various ways a student might (correctly) code the requests and allowed for multiple solutions.

  • Julia Z.
    11 months

    Great!!! I really liked that course.

  • Olga L.
    about 1 year

    Interactive hands-on course

  • Thomas H.
    about 1 year

    This will change my workflow for the better. Can put to use what I learned on any current project, and clean up and improve my scattered library of scripts.

  • Vern V.
    about 1 year

    As with other courses at Datacamp, this course was relevant, informative, balanced (theory vs practical), and engaging. Provides a good and solid foundation upon which to build one's capacity to writeand use functions in R.

"Very clearly taught, pulled in and organically integrated material from previous courses, explained the "why" behind each step, and (importantly) no fiddly syntax to complete the exercises, which suggests the instructor thought through the various ways a student might (correctly) code the requests and allowed for multiple solutions."

Stephen N.

"Great!!! I really liked that course."

Julia Z.

"Interactive hands-on course"

Olga L.

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