| Unit 01: Data Science Overview |
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Introduction to Data Science |
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00:01:00 |
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Data Science: Career of the Future |
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00:04:00 |
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What is Data Science? |
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00:02:00 |
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Data Science as a Process |
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00:02:00 |
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Data Science Toolbox |
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00:03:00 |
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Data Science Process Explained |
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00:05:00 |
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What’s Next? |
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00:01:00 |
| Unit 02: R and RStudio |
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Engine and coding environment |
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00:03:00 |
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Installing R and RStudio |
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00:04:00 |
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RStudio: A quick tour |
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00:04:00 |
| Unit 03: Introduction to Basics |
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Arithmetic with R |
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00:03:00 |
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Variable assignment |
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00:04:00 |
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Basic data types in R |
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00:03:00 |
| Unit 04: Vectors |
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Creating a vector |
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00:05:00 |
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Naming a vector |
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00:04:00 |
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Arithmetic calculations on vectors |
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00:06:00 |
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Vector selection |
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00:06:00 |
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Selection by comparison |
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00:04:00 |
| Unit 05: Matrices |
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What’s a Matrix? |
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00:02:00 |
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Analyzing Matrices |
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00:03:00 |
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Naming a Matrix |
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00:05:00 |
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Adding columns and rows to a matrix |
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00:06:00 |
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Selection of matrix elements |
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00:03:00 |
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Arithmetic with matrices |
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00:07:00 |
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Additional Materials |
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00:00:00 |
| Unit 06: Factors |
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What’s a Factor? |
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00:02:00 |
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Categorical Variables and Factor Levels |
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00:04:00 |
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Summarizing a Factor |
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00:01:00 |
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Ordered Factors |
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00:05:00 |
| Unit 07: Data Frames |
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What’s a Data Frame? |
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00:03:00 |
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Creating Data Frames |
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00:20:00 |
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Selection of Data Frame elements |
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00:03:00 |
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Conditional selection |
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00:03:00 |
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Sorting a Data Frame |
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00:03:00 |
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Additional Materials |
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00:00:00 |
| Unit 08: Lists |
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Why would you need lists? |
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00:01:00 |
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Creating a List |
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00:06:00 |
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Selecting elements from a list |
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00:03:00 |
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Adding more data to the list |
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00:02:00 |
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Additional Materials |
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00:00:00 |
| Unit 09: Relational Operators |
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Equality |
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00:03:00 |
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Greater and Less Than |
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00:03:00 |
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Compare Vectors |
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00:03:00 |
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Compare Matrices |
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00:02:00 |
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Additional Materials |
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00:00:00 |
| Unit 10: Logical Operators |
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AND, OR, NOT Operators |
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00:04:00 |
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Logical operators with vectors and matrices |
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00:04:00 |
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Reverse the result: (!) |
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00:01:00 |
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Relational and Logical Operators together |
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00:06:00 |
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Additional Materials |
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00:00:00 |
| Unit 11: Conditional Statements |
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The IF statement |
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00:04:00 |
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IF…ELSE |
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00:03:00 |
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The ELSEIF statement |
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00:05:00 |
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Full Exercise |
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00:03:00 |
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Additional Materials |
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00:00:00 |
| Unit 12: Loops |
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Write a While loop |
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00:04:00 |
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Looping with more conditions |
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00:04:00 |
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Break: stop the While Loop |
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00:04:00 |
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What’s a For loop? |
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00:02:00 |
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Loop over a vector |
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00:02:00 |
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Loop over a list |
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00:03:00 |
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Loop over a matrix |
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00:04:00 |
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For loop with conditionals |
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00:01:00 |
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Using Next and Break with For loop |
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00:03:00 |
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Additional Materials |
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00:00:00 |
| Unit 13: Functions |
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What is a Function? |
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00:02:00 |
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Arguments matching |
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00:03:00 |
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Required and Optional Arguments |
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00:03:00 |
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Nested functions |
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00:02:00 |
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Writing own functions |
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00:03:00 |
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Functions with no arguments |
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00:02:00 |
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Defining default arguments in functions |
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00:04:00 |
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Function scoping |
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00:02:00 |
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Control flow in functions |
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00:03:00 |
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Additional Materials |
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00:00:00 |
| Unit 14: R Packages |
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Installing R Packages |
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00:01:00 |
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Loading R Packages |
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00:04:00 |
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Different ways to load a package |
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00:02:00 |
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Additional Materials |
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00:00:00 |
| Unit 15: The Apply Family - lapply |
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What is lapply and when is used? |
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00:04:00 |
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Use lapply with user-defined functions |
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00:03:00 |
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lapply and anonymous functions |
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00:01:00 |
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Use lapply with additional arguments |
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00:04:00 |
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Additional Materials |
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00:00:00 |
| Unit 16: The apply Family – sapply & vapply |
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What is sapply? |
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00:02:00 |
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How to use sapply |
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00:02:00 |
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sapply with your own function |
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00:02:00 |
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sapply with a function returning a vector |
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00:02:00 |
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When can’t sapply simplify? |
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00:02:00 |
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What is vapply and why is it used? |
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00:04:00 |
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Additional Materials |
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00:00:00 |
| Unit 17: Useful Functions |
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Mathematical functions |
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00:05:00 |
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Data Utilities |
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00:08:00 |
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Additional Materials |
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00:00:00 |
| Unit 18: Regular Expressions |
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grepl & grep |
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00:04:00 |
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Metacharacters |
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00:05:00 |
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sub & gsub |
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00:02:00 |
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More metacharacters |
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00:04:00 |
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Additional Materials |
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00:00:00 |
| Unit 19: Dates and Times |
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Today and Now |
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00:02:00 |
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Create and format dates |
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00:06:00 |
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Create and format times |
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00:03:00 |
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Calculations with Dates |
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00:03:00 |
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Calculations with Times |
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00:07:00 |
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Additional Materials |
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00:00:00 |
| Unit 20: Getting and Cleaning Data |
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Get and set current directory |
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00:04:00 |
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Get data from the web |
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00:04:00 |
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Loading flat files |
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00:03:00 |
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Loading Excel files |
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00:05:00 |
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Additional Materials |
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00:00:00 |
| Unit 21: Plotting Data in R |
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Base plotting system |
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00:03:00 |
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Base plots: Histograms |
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00:03:00 |
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Base plots: Scatterplots |
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00:05:00 |
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Base plots: Regression Line |
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00:03:00 |
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Base plots: Boxplot |
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00:03:00 |
| Unit 22: Data Manipulation with dplyr |
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Introduction to dplyr package |
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00:04:00 |
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Using the pipe operator (%>%) |
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00:02:00 |
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Columns component: select() |
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00:05:00 |
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Columns component: rename() and rename_with() |
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00:02:00 |
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Columns component: mutate() |
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00:02:00 |
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Columns component: relocate() |
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00:02:00 |
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Rows component: filter() |
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00:01:00 |
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Rows component: slice() |
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00:04:00 |
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Rows component: arrange() |
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00:01:00 |
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Rows component: rowwise() |
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00:02:00 |
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Grouping of rows: summarise() |
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00:03:00 |
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Grouping of rows: across() |
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00:02:00 |
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COVID-19 Analysis Task |
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00:08:00 |
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Additional Materials |
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00:00:00 |
| Assignment |
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00:00 |
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