Week 3 · 45-60 min

Organizing & Cleaning Data

Why messy data causes problems

This slide covers "Why messy data causes problems" as part of Organizing & Cleaning Data. Read slowly and try the example in your own words. Why messy data causes problems is an important step in Data Literacy & Analysis. We use plain language and short steps so you can learn even on a slow or shared computer. Think of one real example from your school, work, or community.

Key point: Why messy data causes problems. Review this slide once more before moving on.

Slide 1 of 8

Practice

  1. Write 2-3 sentences about what you learned this week.

Key Terms

Why messy data causes problems
Why messy data causes problems
Removing duplicate entries
Removing duplicate entries
Fixing inconsistent text (Yes/yes/Y)
Fixing inconsistent text (Yes/yes/Y)

Week Summary

  • Why messy data causes problems
  • Removing duplicate entries
  • Fixing inconsistent text (Yes/yes/Y)
  • Handling missing data, what NOT to do

Coming Next Week: Next: Basic Formulas

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