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Tag Archives: stats with cats
Aphorisms for Data Analysts
An aphorism is a pithy saying that reveals some astute observation or popular notion, whether true or fictitious. “Lies, damn lies, and statistics” you’ve undoubtedly heard. If you’ve taken Stats 101, you probably know that “correlation doesn’t imply causation.” Here … Continue reading
Posted in Uncategorized
Tagged accuracy, cats, client, correlation coefficient, data scrubbing, information, objectives, precision, samples, statistical analysis, statistics, stats with cats, variability, variance
1 Comment
Getting the Right Answer
The academic world of statistics stresses understanding theory, types of analyses, calculations and interpretations. In the world of profit-driven business and government regulations, though, there’s even more to consider, especially if you are conducting the analysis for a boss or … Continue reading
Posted in Uncategorized
Tagged cats, ethics, examples, homework, problems, statistical analysis, stats with cats
1 Comment
Ten Tactics used in the War on Error
Scientists and other theory-driven data analysts focus on eliminating bias and maximizing accuracy so they can find trends and patterns in their data. That’s necessary for any type of data analysis. For statisticians, though, the real enemy in the battle … Continue reading
It’s All Relative
It’s easy to quote someone out of context to impart a false impression. A movie critic might write a review saying, “This film is a delight compared to a colonoscopy” only to be quoted as saying, “This film is a … Continue reading
Posted in Uncategorized
Tagged cats, frankendata, measurement, politics, population, samples, standardization, statistical analysis, statistical index, statistics, stats with cats
10 Comments
Becoming Part of the Group
Imagine looking for patterns in a scatter plot of two variables. You see no linear trends, no curvilinear trends, and no cyclic or sinusoidal trends. Does that mean there are no associations between the variables? Maybe not. Most people think … Continue reading
Posted in Uncategorized
Tagged cats, cluster analysis, food types, pattern, statistical analysis, statistics, stats with cats
8 Comments
The Data Dozen
Data can take a variety of forms. Some are readily amenable to statistical analysis and some are better suited to other methods of analysis. When you’re trying to solve some problem or research question, though, you need to use whatever … Continue reading
Posted in Uncategorized
Tagged cats, information, measurement, measurement scales, model, statistical analysis, statistics, stats with cats, surveys, variability
6 Comments
Statistics: a Remedy for Football Withdrawal
One thing that makes sports so much fun to follow is the plethora of statistics associated with every player, every game, every team, and every season. Other than government agencies, you won’t find better sources of data to practice on. … Continue reading
Posted in Uncategorized
Tagged factor analysis, football, statistical analysis, statistics, stats with cats
5 Comments
Six Misconceptions about Statistics You May Get From Stats 101
When you learn new things, you can develop misconceptions. Maybe it’s the result of something you didn’t understand correctly. Maybe it’s the way the instructor explains something. Or maybe, it’s something unspoken, something you assume or infer from what was … Continue reading
Posted in Uncategorized
Tagged cats, data scrubbing, math, measurement, number of samples, polls, population, resolution, sample size, samples, statistical analysis, statistics, stats with cats, surveys, uncertainty, variability, variance
10 Comments
Consumer Guide to Statistics 101
Whether you took or are taking an introductory course on statistics, you probably didn’t get to choose from a dozen candidate offerings. You had to take the specific course required for your major. You can, though, evaluate what you got. … Continue reading
Posted in Uncategorized
Tagged cats, objectives, population, probability, SAS, SPSS, statistical analysis, statistical thinking, statistics, Stats 101, stats with cats, uncertainty
7 Comments
Limits of Confusion
A confidence interval is the numerical interval around the mean of a sample from a population that has a certain confidence of including the mean of the entire population. “Say what?” OK, let’s take it one point at a time. … Continue reading
Posted in Uncategorized
Tagged cats, jargon, number of samples, precision, statistics, stats with cats, t distribution, uncertainty, variability, variance
8 Comments
Stats With Cats Blog 