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Author Archives: statswithcats
Types and Patterns of Data Relationships
Posted in Uncategorized
Tagged cause and effect, common, complex, data associations, data relationships, direct, feedback, inverse, mediated, spurious, stimulated, suppresed, threshold
2 Comments
Why You Don’t Always Get the Correlation You Expect
If you’ve ever taken a statistics class on correlation, you’ve probably come to expect that a large value for a correlation coefficient, either positive or negative, means that there is a noteworthy relationship between two phenomena. This is not always … Continue reading
Posted in Uncategorized
Tagged cats, causation, correlation, correlation coefficient, relationships, spurious correlations, statistics, stats with cats, variables, variance
8 Comments
O.U..T…L….I……E……..R………………..S
Datasets may contain values that is far greater (or less) than, or doesn’t display the same characteristics as the other values. If the influential observation is not representative of the population being sampled, it is called an outlier. Deciding what to do with outliers can be a challenge for data analysts. Continue reading
Posted in Uncategorized
Tagged anomaly, bias, cats, correlation coefficient, diagrams, influential observations, outlier
8 Comments
Stats with Cats Blog: 2013 in review
The WordPress.com stats helper monkeys prepared a 2013 annual report for the Stats with Cats Blog. Here’s an excerpt: The concert hall at the Sydney Opera House holds 2,700 people. This blog was viewed about 58,000 times in 2013. If … Continue reading
Posted in Uncategorized
1 Comment
How to Write Data Analysis Reports. Lesson 5—Get It Done.
Perhaps the hardest part of writing a data analysis report is just getting it completed. It takes discipline and persistence to stay on track. Even so, it’s easy to get distracted. Sometimes the problem is that the story of the … Continue reading
Posted in Uncategorized
Tagged cats, client, jargon, report writing, reports, statistical analysis, statistics, stats with cats, writer's block, writing
2 Comments
How to Write Data Analysis Reports. Lesson 4—Get Their Attention.
If you’re writing a report about statistics, you have to expect that many readers will lose interest after a while, if they even had it to begin with. So, in writing the report, think about how you might engage your … Continue reading
Posted in Uncategorized
Tagged bullets, cats, client, graphs, jargon, outline, report writing, reports, statistical analysis, statistics, stats with cats, tables, text boxes, writing
4 Comments
How to Write Data Analysis Reports. Lesson 3—Know Your Route.
You’ve been taught since high school to start with an outline. Nothing has changed with that. However, there are many possible outlines you can follow depending on your audience and what they expect. The first thing you have to decide … Continue reading
Posted in Uncategorized
Tagged cats, client, jargon, outline, report writing, reports, statistical analysis, statistics, stats with cats, writing
1 Comment
How to Write Data Analysis Reports. Lesson 2—Know Your Audience.
Every self-help article about technical writing starts by telling readers to consider their audience. Even so, probably few report writers do. In a statistical analysis, you usually start by considering the characteristics of the population about which you want to … Continue reading
Posted in Uncategorized
Tagged audience, cats, client, jargon, report writing, reports, statistical analysis, statistics, stats with cats, writing
2 Comments
Stats With Cats Blog 
How to Write Data Analysis Reports. Lesson 6—Get Acceptance.
Data analysis reports have to go through one more hurdle after they are completely written. They have to be approved for acceptance by a gatekeeper. The approval for acceptance may involve allowing report distribution, starting the publishing process, issuing payment … Continue reading →