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Questions tagged [abbreviation]

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

16
votes
4answers
6k views

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 ...
3
votes
1answer
1k views

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: ...
3
votes
1answer
783 views

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?
211
votes
5answers
320k views

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.
7
votes
1answer
2k views

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 ...
6
votes
1answer
3k views

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"?
4
votes
1answer
2k views

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 ...
0
votes
2answers
194 views

How do you abbreviate “Millions”? [closed]

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