Tag Type 1 error

Rioja vs Ribera

Frequentist vs Bayesian statistics This is one of the typical debates that one can have with a brother-in-law during a family dinner: whether the wine from Ribera is better than that from Rioja, or vice versa. In the end, as…
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hypothesis contrast

The false coin

Hypothesis contrast. Statistical significance Today we’re going to continue playing with coins. In fact, we’re going to play with two coins, one of them a fair coin and the other one faker than Judas Iscariot, loaded to give more heads…
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Size and power

Power and sample size Two associated qualities. And very enviable too. Especially when it comes to scientific studies (what were you thinking about?). Although there’re more factors involved, as we’ll see in a moment. Let’s suppose we are measuring the…
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