Questions tagged [abbreviation]

For questions asking about the meaning of abbreviations that are widely used in statistics.

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Where can I find standards for statistical acronyms and whether they should be capitalized or lower case?

I have seen statistical acronyms (e.g. sd, iid, GLM, DV) written in lower case and capitals. The examples I just gave are how I recall seeing them most of the time. But I am wondering if there is ...
Peter Flom's user avatar
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18 votes
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What does "a.s." stand for?

I was reading an article and I saw the following sentence: For a given martingale, if it has an upper or a lower bound, then the martingale must converge (a.s.). Since the likelihood is always ...
HBat's user avatar
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What's meaning of BOS and EOS in CRFSuite feature list and what is the role of them?

In NER(Named Entity Recognition) example in python-crf package website we see this function as feature generator: ...
mhbashari's user avatar
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4 votes
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What is the proper abbreviation for the test statistic in Wilcoxon signed rank test? [closed]

What is the APA conforming symbol for the test statistic from the Wilcoxon signed rank test? Different statistics software outputs all kinds of letters from V to Z. I thought it was W?
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291 votes
7 answers

What does AUC stand for and what is it?

Searched high and low and have not been able to find out what AUC, as in related to prediction, stands for or means.
josh's user avatar
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8 votes
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What do NORB and CIFAR stand for?

The MNIST dataset is a standard benchmark data set of digit images. MNIST stands for 'Mixed National Institute of Standards and Technology'. The NORB dataset is a commonly used dataset of binocular ...
Angelorf's user avatar
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10 votes
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In statistics what does NA stand for?

I understand that NA means data is missing, null or not present. But what do the letters NA stand for? "Not Available"?
davidjhp's user avatar
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4 votes
1 answer

What does the abbreviation "p.e." mean?

I came across a paper that uses the abbreviation "p.e.": Khatri and Mardia, The Von Mises-Fisher Matrix Distribution in Orientation Statistics. 1976. It's in Section 7 on page 105. I'm including a ...
amcnabb's user avatar
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2 answers

How do you abbreviate "Millions"? [closed]

M or MM? I prefer "M" -- it's shorter, but someone here was pushing for "MM".
sprugman's user avatar
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