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Kaiser Fung

Kaiser Fung

Pre-processing data is not just about correcting errors
Algorithms

Pre-processing data is not just about correcting errors

Exploration of IMDB rating data, by Kaiser Fung, founder of Principal Analytics Prep
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Good models + Bad data = Bad analysis
Aggregation

Good models + Bad data = Bad analysis

Example showing how to diagnose bad data in data science models
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What do these items have in common?
Algorithms

What do these items have in common?

What do the following items have in common? A. Motion-detection light switch
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The plural of anecdote is not ...
Aggregation

The plural of anecdote is not ...

One of my favorite statistics-related wisecracks is: the plural of anecdote is
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Analytics-business interaction

Why are GMAT scores going up?

In Chapter 1 of Numbersense (link), I went through an extensive list
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When to use the start-at-zero rule
start-at-zero rule

When to use the start-at-zero rule

Guide to a basic graphical rule
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