Black sheep
Outliers. Outliers are values that seems inconsistent with the rest of the values, according to the assumed probability model that they follow in the sample.
Science without sense...double nonsense
Evidence Based Medicine pills
Science without sense...double nonsense
Evidence Based Medicine pills
Read MoreBlack sheep
You make your bed, you lie in it
Case-crossover studies. Case-crossover studies focus on the event and try to see something that favors it, comparing the exhibitions of immediate with previous moments.
Do not eat too many pies
The pie chart. A pie chart is a circle whorepresents the total of the data and to each category is assigned an area directly proportional to its frequency. Pies, how good they are! The problem is that, as you know, what is…
Why spare one?
Biased and unbiased estimators. The mean one of the unbiased estimators and accurately approximates the population value. The standard deviation is a biased estimator.
From the triangle to the pie
Causality. Some causality models and some of their components are described: component cause, necessary cause and sufficient cause.