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Tag Archives: data scrubbing
35 Ways Data Go Bad
When you take your first statistics class, your professor will be a kind person who cares about your mental well-being. OK, maybe not, but what the professor won’t do is give you real-world data sets. The data may represent things … Continue reading
The Most Important Statistical Assumptions
Posted in Uncategorized
Tagged data scrubbing, Representativeness, statistical assumptions
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WHAT TO LOOK FOR IN DATA – PART 1
Some activities are instinctive. A baby doesn’t need to be taught how to suckle. Most people can use an escalator, operate an elevator, and open a door instinctively. The same isn’t true of playing a guitar, driving a car, or … Continue reading
Posted in Uncategorized
Tagged cats, censored data, data, data analysis, data scrubbing, descriptive statistics, graphs, measurement scales, missing data, replicates
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Tagged cats, data analysis, data quality, data scrubbing, stats with cats
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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
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
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
Dealing with Dilemmas
A decade or so ago, I always feared and was the frequent victim of hardware and software problems. It was a logical consequence of a craftsman routinely pushing his tools way beyond the limits of their capabilities. But the software … Continue reading
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Tagged cats, client, data scrubbing, politics, samples, software, statistical analysis, statistics, surveys
4 Comments
The Data Scrub
Garbage in, garbage out is a saying that dates back to the early days of computers but is still true today, perhaps even more so. If the numbers you use in a statistical analysis are incorrect (garbage), so too will … Continue reading
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Tagged cats, data scrubbing, statistical analysis, statistics, stats with cats, validation, verification
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Stats With Cats Blog 