An Ultra-High-Definition flowchart (pdf) that will help you take the next steps in your Data Ninja journey!
22 essential data cleaning formulae!
Data visualisation is sexy. So are Bayesian Belief Nets and Artificial Neural Networks.
You can’t get to do any of these things, though, if your data are dirty. Your analysis package will just stare back at you, saying ‘computer says no’.
But just how do you get the clean data that these packages need?
What is ‘clean data’?
And, for that matter, what is ‘dirty data’?
Data Cleaning: The Ultimate Practical Guide is a guide to understanding what dirty data is, and how it gets into your dataset.
More than that, it is a guide to helping you prevent most types of dirty data getting into your dataset in the first place, and cleaning out quickly and efficiently the remaining errors, so you can have clean, fit-for-purpose and analysis-ready data.
So that your data are ready to change the world!
...is a snappy little non-threatening book about everything you ever wanted to know (but were afraid to ask) about the craft of cleaning and preparing your data for the sexier parts of your analysis.
Data Cleaning – The Big Picture, an Ultra-High-Definition flowchart (pdf) that will help you take the next steps in your Data Ninja journey!
Cheatsheet - Excel Data Cleaning Formulae:
22 essential data cleaning formulae in Excel to make sure all your data cleaning, data conversion and descriptive statistics processes go quickly and smoothly
"My mission is to unleash your inner data ninja."
Lee Baker is an award-winning software creator.
With decades of experience in science, statistics and artificial intelligence, he has a passion for telling stories with data.
Insisting that data analysis is much simpler than we think it is, he authors friendly, easy-to-understand books that teach the fundamentals of data analysis and statistics.
As the CEO of Chi-Squared Innovations, one day he’d like to retire to do something simpler, like crocodile wrestling.
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