Tag Archives: t-statistic

Parameters

A world where it takes 30 hours of minimum-wage work to pay the rent, is very different to a world where it takes 120 hours of minimum-wage work to pay the rent. It’s a factor of 4—just half an order of … Continue reading

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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

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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 sig-fig of the variance? More like 1000. And that’s just to get one … Continue reading

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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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