The Two-Hit Hypothesis
Cancer caused by loss of a tumour suppressor requires both copies of the gene to be knocked out. Alfred Knudson deduced this in 1971 from the…
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Cancer caused by loss of a tumour suppressor requires both copies of the gene to be knocked out. Alfred Knudson deduced this in 1971 from the…
A rule for updating a belief when new evidence arrives. It is a short piece of algebra, it is not in any dispute, and misapplying it produces some of…
Assign people to treatments by chance, and the groups differ only by chance. It is a simple idea, it is the most reliable method medicine has for…
Regression to the mean is the tendency for an extreme measurement to be followed by one closer to average, for no reason other than that extremes…
Simpson's paradox is the phenomenon in which a trend appears in several groups of data and reverses when the groups are combined. It is not a…
The central limit theorem is one of the most important results in all of statistics. It explains why the familiar bell shaped curve appears again and…