We tested the best dog collars for small and large dogs. Our top picks are adjustable leather, personalized, reflective, ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

Matching estimators (Rubin, 1973a, 1977; Rosenbaum, 2002) are widely used in statistical data analysis. However, the large sample distribution of matching estimators has been derived only for ...

There are a total of 15 holes where Trico can put his head through. Thirteen of these are missable. Trico will put his head in these holes, if one goes too far and Trico won't fit. You can also call ...

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