The Practical Ontologist
»The Practical Ontologist« is a compendium of online philosophical production. Every few hours it automatically aggregates, analyzes, and updates.

Featured Article · Error Statistics

Happy Birthday R.A. Fisher: ‘Two New Properties of Mathematical Likelihood’

17 February 1890–29 July 1962 ¶ Today is R.A. Fisher’s birthday. I will post some Fisherian items this week in honor of it*. This paper comes just before the conflicts with Neyman and Pearson erupted.  Fisher links his tests and sufficiency, to the Neyman and Pearson lemma in terms of power.  We may see them as ending up in a similar place while starting from different origins. I quote just the most relevant portions…the full article is linked below. Happy Birthday Fisher! “Two New Properties of Mathematical Likelihood“ by R.A. Fisher, F.R.S. Proceedings of the Royal Society, Series A, 144: 285-307 (1934) ¶   The property that where a sufficient statistic exists, the likelihood, apart from a factor independent of the parameter to be estimated, is a function only of the parameter and the sufficient statistic, explains the principle result obtained by Neyman and Pearson in discussing the efficacy of tests of significance.  Neyman and Pearson introduce the notion that...

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Recent Media · Podcasts & Lectures

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Happy Birthday R.A. Fisher: ‘Two New Properties of Mathematical Likelihood’
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Putt-Putt Frog (Photo)
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CfP: Workshop on Political Philosophy and the Future of Capitalism (Waseda University, 15-17 June 2019): A workshop on the theme Political Philosophy and the Future of Capitalism will be held at Waseda University, in Tokyo, from June 15 to 17 ...
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Abortion and culpability
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Toward More Respectful Academic Reference Practices

Third Person Polite: In defence of more courteous reference David Benatar Why do academics, in their professional writings, refer to their scholarly predecessors and one another by their surnames only? It may be tempting to answer that that is the convention – “everybody does it”. However, while that is a compelling explanation, it does not constitute a good justification. Yet it seems that the practice does require a justification because, on the face of it, it appears impolite to refer to people in this way. It lacks the personal touch and individualising feature of the first name but also the respectful tone of a prefixed title. It is thus unsurprising that most of us do not refer to our friends and colleagues that way. Nor do most of us use only surnames when directly addressing people, whatever their relational proximity or distance to us may be. Of course there are contexts in which people do address one another in precisely this fashion. The military, as well as traditional ... Read More ›

What's Wrong? · Featured Blog

What’s Wrong With Heritable Human Gene Editing?
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What’s Wrong With the #10YearChallenge?
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What’s Wrong With “Prevention Optimism”?
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What’s Wrong With the “Green New Deal”?
Story here. Read More ›

What’s Wrong With Judging People for Their Past Moral Failings?
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Biased Algorithms and What to do About Them
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2018 PEA Soup Awards!!!
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What’s Wrong With Heritable Human Gene Editing?
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