Apply univariate data exploration techniques.
Free SOA Exam PA (Predictive Analytics) lesson in Data Exploration and Visualization. 11 min read, ~1,608 words.
Univariate means one variable at a time; never a scatterplot or a modeling technique. Numeric variables get mean, median, variance, standard deviation, and percentiles. Numeric variables get histograms and boxplots; categorical variables get bar charts of frequency. Mean chases the tail; median resists it. A mean far above the median...
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What this lesson covers
- Content
- Example 1
- Example 2
- Common Mistakes
- Check Your Understanding
- Exam Shortcuts
Learning objectives
- 2e
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