course-r-introduction#03-dplyr#02-select-columns-data-frame

course-r-introduction#03-dplyr#02-select-columns-data-frame#recipe

Select columns from a data frame

course-r-introduction#03-dplyr#02-select-columns-data-frame#section-selecting-by-name

Selecting by name

course-r-introduction#03-dplyr#02-select-columns-data-frame#exercise-03-02-00

Exercise: Life expectancy in Austria

course-r-introduction#03-dplyr#02-select-columns-data-frame#section-renaming-columns

Renaming columns

course-r-introduction#03-dplyr#02-select-columns-data-frame#exercise-03-02-01

Exercise: Rename columns

course-r-introduction#03-dplyr#02-select-columns-data-frame#section-selecting-by-name-range

Selecting by name range

course-r-introduction#03-dplyr#02-select-columns-data-frame#exercise-03-02-02

Exercise: Select a name range

course-r-introduction#03-dplyr#02-select-columns-data-frame#section-select-by-indices

Select() by indices

course-r-introduction#03-dplyr#02-select-columns-data-frame#exercise-03-02-03

Exercise: Select by indices

This course is designed for those who have little to no prior programming experience in R or any other programming language. Its aim is to build up from the basics and teach you the capabilities of R. By the end of this course you will have acquired a valuable new skill for exploring datasets and creating impressive visualizations.

Base-R Level 1

course-r-introduction#01-basics#01-r-is-everywhere

course-r-introduction#01-basics#01-r-is-everywhere#recipe

R is everywhere

course-r-introduction#01-basics#01-r-is-everywhere#section-introduction-to-r

Introduction to R

course-r-introduction#01-basics#01-r-is-everywhere#quiz-1

Quiz: R Facts

course-r-introduction#01-basics#01-r-is-everywhere#section-why-use-r

Why Use R?

course-r-introduction#01-basics#01-r-is-everywhere#quiz-2

Quiz: Using R

course-r-introduction#01-basics#01-r-is-everywhere#section-you-r-in-good-company

You R in Good Company

course-r-introduction#01-basics#01-r-is-everywhere#section-building-blocks

Building Blocks

course-r-introduction#01-basics#01-r-is-everywhere#exercise-01-01-03

Exercise: Submit your first code

course-r-introduction#01-basics#02-vectors

course-r-introduction#01-basics#02-vectors#recipe

Combine values into a vector

course-r-introduction#01-basics#02-vectors#section-introduction-to-vectors

Introduction to Vectors

course-r-introduction#01-basics#02-vectors#section-types-of-vectors

Types of vectors

course-r-introduction#01-basics#02-vectors#quiz-1

Quiz: Data Types

course-r-introduction#01-basics#02-vectors#section-creating-a-sequence-of-numbers

Creating a sequence of numbers

course-r-introduction#01-basics#02-vectors#exercise-01-02-01

Exercise: Use the : operator

course-r-introduction#01-basics#02-vectors#section-concatenating-numeric-values-to-a-vector

Concatenating numeric values to a vector

course-r-introduction#01-basics#02-vectors#exercise-01-02-02

Exercise: Concatenate numbers

course-r-introduction#01-basics#02-vectors#section-creating-character-vectors

Creating character vectors

course-r-introduction#01-basics#02-vectors#exercise-01-02-03

Exercise: Create a character vector

course-r-introduction#01-basics#02-vectors#exercise-01-02-04

Exercise: Concatenate text

course-r-introduction#01-basics#02-vectors#section-creating-logical-vectors

Creating logical vectors

course-r-introduction#01-basics#02-vectors#exercise-01-02-05

Exercise: Concatenate logical values

course-r-introduction#01-basics#02-vectors#quiz-2

Quiz: Vectors Recap

course-r-introduction#01-basics#03-assignments

course-r-introduction#01-basics#03-assignments#recipe

Create variables through assignments

course-r-introduction#01-basics#03-assignments#section-assigning-variables

Assigning variables

course-r-introduction#01-basics#03-assignments#exercise-01-03-00

Exercise: Assign numeric vector to variable

course-r-introduction#01-basics#03-assignments#exercise-01-03-01

Exercise: Assign character vector to variable

course-r-introduction#01-basics#03-assignments#quiz-1

Quiz: Variable Overriding

course-r-introduction#01-basics#03-assignments#quiz-2

Quiz: Vector Concatenation

course-r-introduction#01-basics#03-assignments#section-naming-rules

Naming rules

course-r-introduction#01-basics#03-assignments#quiz-3

Quiz: Naming Rules

course-r-introduction#01-basics#04-operators

course-r-introduction#01-basics#04-operators#recipe

Use basic operators

course-r-introduction#01-basics#04-operators#section-using-r-as-a-pocket-calculator

Using R as a pocket calculator

course-r-introduction#01-basics#04-operators#exercise-01-04-00

Exercise: Use basic arithmetic

course-r-introduction#01-basics#04-operators#section-applying-arithmetic-operators-on-vectors

Applying arithmetic operators on vectors

course-r-introduction#01-basics#04-operators#quiz-1

Quiz: Vector Multiplication

course-r-introduction#01-basics#04-operators#exercise-01-04-02

Exercise: Multiply numeric vectors

course-r-introduction#01-basics#04-operators#section-using-relational-operators

Using relational operators

course-r-introduction#01-basics#04-operators#exercise-01-04-03

Exercise: Compare numeric values

course-r-introduction#01-basics#04-operators#exercise-01-04-04

Exercise: Compare temperatures

course-r-introduction#01-basics#04-operators#section-using-logical-operators

Using logical operators

course-r-introduction#01-basics#04-operators#exercise-01-04-05

Exercise: Use the & operator

course-r-introduction#01-basics#04-operators#exercise-01-04-06

Exercise: Use the | operator

course-r-introduction#01-basics#04-operators#section-using-the-in-operator

Using the %in% operator

course-r-introduction#01-basics#04-operators#exercise-01-04-09

Exercise: Use the %in% operator

course-r-introduction#01-basics#05-functions

course-r-introduction#01-basics#05-functions#recipe

Call existing R code through functions

course-r-introduction#01-basics#05-functions#section-introduction-to-functions

Introduction to functions

course-r-introduction#01-basics#05-functions#exercise-01-05-00

Exercise: Use the sqrt() function

course-r-introduction#01-basics#05-functions#section-customizing-functions-through-parameters

Customizing functions through parameters

course-r-introduction#01-basics#05-functions#exercise-01-05-01

Exercise: Use the sample() function

course-r-introduction#01-basics#05-functions#exercise-01-05-02

Exercise: Use the seq() function

course-r-introduction#01-basics#06-packages

course-r-introduction#01-basics#06-packages#recipe

Use existing functions and data through packages

course-r-introduction#01-basics#06-packages#section-introduction-to-packages

Introduction to packages

course-r-introduction#01-basics#06-packages#section-calling-a-package

Calling a package

course-r-introduction#01-basics#06-packages#exercise-01-06-00

Exercise: Check for leap year

Start your R journey and learn the most fundamental building blocks of the environmenent.  Learn how to use and assign vectors with operators and functions. Use packages to access functions and  data from external sources.

Basics

Data Frames Level 1

course-r-introduction#02-data-frames-tibbles

course-r-introduction#02-data-frames-tibbles#01-build-data-frame-from-vectors

course-r-introduction#02-data-frames-tibbles#01-build-data-frame-from-vectors#recipe

Build a data frame from vectors

course-r-introduction#02-data-frames-tibbles#01-build-data-frame-from-vectors#section-introduction-to-data-frames

Introduction to Data Frames

course-r-introduction#02-data-frames-tibbles#01-build-data-frame-from-vectors#quiz-1

Quiz: Data Frame Output

course-r-introduction#02-data-frames-tibbles#01-build-data-frame-from-vectors#quiz-2

Quiz: Data Frame Output (2)

course-r-introduction#02-data-frames-tibbles#01-build-data-frame-from-vectors#section-creating-data-frames

Creating Data Frames

course-r-introduction#02-data-frames-tibbles#01-build-data-frame-from-vectors#exercise-02-01-03

Exercise: Creating Your First Data Frame

course-r-introduction#02-data-frames-tibbles#01-build-data-frame-from-vectors#quiz-3

Quiz: Which statements are true about this data frame?

course-r-introduction#02-data-frames-tibbles#02-creating-and-converting-tibbles

course-r-introduction#02-data-frames-tibbles#02-creating-and-converting-tibbles#recipe

Create and convert tibbles

course-r-introduction#02-data-frames-tibbles#02-creating-and-converting-tibbles#section-introduction-to-tibbles

Introduction to Tibbles

course-r-introduction#02-data-frames-tibbles#02-creating-and-converting-tibbles#quiz-1

Quiz: Tibbles versus Data Frames

course-r-introduction#02-data-frames-tibbles#02-creating-and-converting-tibbles#section-creating-tibbles

Creating Tibbles

course-r-introduction#02-data-frames-tibbles#02-creating-and-converting-tibbles#section-converting-data-frames-to-tibbles

Converting data frames to Tibbles

course-r-introduction#02-data-frames-tibbles#02-creating-and-converting-tibbles#exercise-02-01-05

Exercise: Convert data frame to Tibble

course-r-introduction#02-data-frames-tibbles#03-extracting-columns

course-r-introduction#02-data-frames-tibbles#03-extracting-columns#recipe

Extract or replace columns in a data frame using $

course-r-introduction#02-data-frames-tibbles#03-extracting-columns#section-extract-columns-with-the

Extract columns with the $

course-r-introduction#02-data-frames-tibbles#03-extracting-columns#quiz-1

Quiz: Extract column from a data frame

course-r-introduction#02-data-frames-tibbles#03-extracting-columns#exercise-02-03-01

Exercise: Extract column from a data frame

course-r-introduction#02-data-frames-tibbles#04-determine-size-data-frame

course-r-introduction#02-data-frames-tibbles#04-determine-size-data-frame#recipe

Determine the size of a data frame

course-r-introduction#02-data-frames-tibbles#04-determine-size-data-frame#section-data-frame-dimensions

Data Frame Dimensions

course-r-introduction#02-data-frames-tibbles#04-determine-size-data-frame#exercise-02-03-01

Exercise: Determine number of elements in data frame

course-r-introduction#02-data-frames-tibbles#04-determine-size-data-frame#section-retrieving-data-frame-dimensions

Retrieving data frame dimensions

course-r-introduction#02-data-frames-tibbles#04-determine-size-data-frame#quiz-1

Quiz: Data Frame Dimensions

course-r-introduction#02-data-frames-tibbles#05-select-first-last-rows

course-r-introduction#02-data-frames-tibbles#05-select-first-last-rows#recipe

Select first or last rows of a data frame

course-r-introduction#02-data-frames-tibbles#05-select-first-last-rows#section-selecting-the-top-of-a-data-frame

Selecting the top of a data frame

course-r-introduction#02-data-frames-tibbles#05-select-first-last-rows#exercise-02-05-01

Exercise: Select the top of a data frame

course-r-introduction#02-data-frames-tibbles#05-select-first-last-rows#section-selecting-the-bottom-of-a-data-frame

Selecting the bottom of a data frame

course-r-introduction#02-data-frames-tibbles#05-select-first-last-rows#exercise-02-05-02

Exercise: Select the bottom of a data frame

course-r-introduction#02-data-frames-tibbles#05-select-first-last-rows#exercise-02-05-03

Exercise: Select the top from the bottom data frame

Create tabular data structures with data frames and see how they compare to tibbles.  Extract column vectors from data frames for computations. Get metadata information like dimensions. Select top- and bottom rows for a quick overview.

Introduction to dplyr

Select columns from a data frame

Filter data frame rows

Sort data frames by columns

Create a data transformation pipeline

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