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Tag Archives: statistics
Two statisticians revisited
Two years ago, I described walking, each week, past the tombs of Thomas Bayes and Richard Price in the nonconformist burial ground at Bunhill Fields in London, and wondered about the extent to which Bayes’ Theorem, or its interpretation as … Continue reading
Creating modern probability
The title of this post is that of a book by John von Plato, on the history of probability theory from the start of the twentieth century to the 1930s, starting with Borel and Einstein (but with many backward looks) … Continue reading
Posted in books, exposition
Tagged de Finetti, ergodic theory, exchangeability, Kolmogorov, measure theory, statistical physics, statistics, von Mises
3 Comments
A matrix problem
Suppose you are given n linearly independent vectors in n-dimensional Euclidean space. You move the vectors so that each vector becomes longer, but their inner products remain the same. What happens to the volume of the parallelepiped they span? This … Continue reading
Posted in open problems
Tagged conference matrix, Dennis Lin, determinant, Hadamard matrix, Isaac Newton Institute, matrices, skew-symmetric, statistics
7 Comments
Is my theory true?
Browsing through an old issue of Significance, the Royal Statistical Society glossy, I came upon an interesting article “Dicing with the unknown” by Tony O’Hagan, professor of statistics at Sheffield. It brought home to me something I hadn’t realised clearly … Continue reading
Posted in exposition
Tagged aleatory, Bayesian, epistemic, frequentist, p-value, statistics, uncertainty
3 Comments
The ADE affair, 4
Here is a cautionary tale to show that not everything that looks like an instance of the ADE classification actually is so. When I first learned about optimal design in statistics, I was very excited to find that there are … Continue reading
Posted in exposition
Tagged Ching-Shui Cheng, concurrence, Laplacian eigenvalues, optimal design, root systems, statistics
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The Royal Institution
The Royal Institution (or Ri, as its typographers have it) is one of the traditional bodies in Britain which explains science to the public, along with the Royal Society and the British Association. They overlap in function as well as … Continue reading
Posted in events, history
Tagged Christopher Zeeman, Humphry Davy, Royal Institution, statistics
1 Comment
The electron is round
Yesterday’s Guardian had a short piece about research showing that the electron is, within experimental error, perfectly round. They also mentioned that this has implications for theories of elementary particles: under certain theories including supersymmetry, there would be particles which … Continue reading
International Review of Mathematics
The International Review panel presented its draft report at a meeting in London last month. I meant to say something about it before; but better late than never, maybe. As well as commentary, I will quote various bits of the … Continue reading
