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Monthly Archives: April 2011
Regression Fantasies: Part II
Six More Reasons for Doubting a Regression Model There are more than a few reasons for being skeptical about a regression model. Some are easy to identify, others are more subtle. Here are six more reasons you might doubt the … Continue reading
Posted in Uncategorized
Tagged autocorrelation, cats, dependent variable, heteroscedasticity, model, multicollinarity, overfitting, regression, variance, weighting
1 Comment
Regression Fantasies: Part I
Five Common Reasons for Doubting a Regression Model Finding a model that fits a set of data is one of the most common goals in data analysis. Least squares regression is the most commonly used tool for achieving this goal. … Continue reading
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
Stats With Cats Blog 