Broken Values
This lesson is called Broken Values, part of the Data Cleaning with R course. This lesson is called Broken Values, part of the Data Cleaning with R course.
Transcript
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Your Turn
Load the messy Age of Empires units dataset from csv (aoe_raw.csv)
Identify the broken values in both the ‘Type’ and ‘Name’ columns and unbreak them
Clean up any separator-related issues arising from the ‘unbreaking’
Learn More
To learn more about merging rows, Luis has written a helpful blog post. And to learn more about unbreaking values, check out this blog post Luis has written on the topic.
Have any questions? Put them below and we will help you out!
Course Content
32 Lessons
1
What are Regular Expressions?
03:48
2
Understanding and Testing Regular Expressions
03:51
3
Literal Characters and Metacharacters
06:16
4
Metacharacters: Quantifiers
01:33
5
Metacharacters: Alternation, Special Sequences, and Escapes
02:53
6
Combining Metacharacters
05:18
7
Regex in R
02:58
8
Regular Expressions and Data Cleaning, Part 1
04:15
9
Regular Expressions and Data Cleaning, Part 2
12:00
1
Common Issues in Data Cleaning
03:17
2
Unusable Variable Names
10:11
3
Whitespace
11:10
4
Letter Case
06:52
5
Missing, Implicit, or Misplaced Grouping Variables
11:19
6
Compound Values
10:09
7
Duplicated Values
08:49
8
Broken Values
09:52
9
Empty Rows and Columns
11:30
10
Parsing Numbers
12:02
11
Putting Everything Together
25:50
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