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Tag Archives: pvalue
http://video.ted.com/assets/player/swf/EmbedPlayer.swf Noticed: It’s easier for me to grok statistical significance (p’s and t’s) from a scatterplot than magnitude (β’s). Even though magnitude can be the most important thing, it’s “hidden” off to the left. Note to self: look off to the left … Continue reading
It takes ~20 observations to verify your first significant digit of the mean with confidence. Do you know how many observations it takes to verify your first sigfig of the variance? More like 1000. And that’s just to get one … Continue reading
Null hypothesis testing is voodoo. Changes in the mental state of the experimenter should not affect the objective inference of the experiment. An argument for using Bayesian data analysis instead of H0 vs Ha. Imagine you have a scintillating hypothesis … Continue reading
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May 10, 2011
Tagged basic facts, basic_facts, Bayesian inference, Bayesian reasoning, Bayesian statistics, books, Chi square distribution, econometrics, epistemology, facts, heroes, mathematics, pvalue, psychology, robustness, statistical inference, statistical significance, statistics, tstatistic, tvalue
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