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The postings on this blog are my own (except as noted) and do not necessarily represent the positions, strategies or opinions of my current, past, and future employers, cats and other family members, relatives, Facebook friends, real friends, Charlie Sheen, people who sit next to me on public transportation, or myself when I’m in my right mind.-
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Monthly Archives: September 2010
It was Professor Plot in the Diagram with a Graph
You probably were taught how to graph data in high school. Depending on your work, you may frequently plot data yourself or look at graphs prepared by others. Even if you don’t use graphs on your job, you may run … Continue reading
Posted in Uncategorized
Tagged axis, cats, charts, diagrams, graphs, jargon, McCandless, measurement scales, number of samples, plots, statistical analysis, statistics, stats with cats, Tufte
12 Comments
It’s All in the Technique
You can’t understand your data unless you control extraneous variance attributable to the way you select samples, the way you measure variable values, and any influences of the environment in which you are working. Using the concepts of reference, replication … Continue reading
Posted in Uncategorized
Tagged bias, blinding, cats, control sample, covariate, jargon, measurement, placebo, precision, samples, SOP, statistical analysis, statistics, stats with cats, uncertainty, variability, variance, variance control
11 Comments
The Measure of a Measure
If you can measure a phenomenon, you can analyze the phenomenon. But if you don’t measure the phenomenon accurately and precisely, you won’t be able to analyze the phenomenon accurately and precisely. So in planning a statistical analysis, once you … Continue reading
The Heart and Soul of Variance Control
You can’t understand data without controlling the variance. You can’t control variance without understanding the data. Variance Doesn’t Go Away By Ignoring It In an ideal universe, your dataset would contain no bias and only the natural variability you want … Continue reading
Posted in Uncategorized
Tagged bias, cats, precision, randomization, replication, standardization, statistical analysis, statistics, stats with cats, surveys, uncertainty, variability, variance
11 Comments
Stats With Cats Blog 