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How to force R to use a specified factor level as reference in a regression?

...r issue and found that: lm(x ~ y + relevel(b, ref = "3")) does exactly what you asked. share | improve this answer | follow | ...
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Why does Ruby have both private and protected methods?

...ethod really is meant to be private only to the current instance. This is what removing the option of an explicit receiver provides. On the other hand, I should certainly point out that it's pretty common in the Ruby community to not use these visibility controls at all, given that Ruby gives you ...
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How to read a local text file?

...tring variable for use elsewhere? (I keep on getting 'undefined' no matter what I do to it.) – not2qubit Feb 8 '18 at 8:03 2 ...
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Copy to Output Directory copies folder structure but only want to copy files

...nnot comment on previous answers, I will put the solution here: Adding to what @PaulAlexander provided, add the following to your .csproj/.vbproj file: <ItemGroup> <AvailableItemName Include="RootContent"> <Visible>false</Visible> </AvailableItemName> ...
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What are POD types in C++?

I've come across this term POD-type a few times. What does it mean? 9 Answers 9 ...
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Difference between del, remove and pop on lists

... @PlasmaBinturong You should use what you think is more readable, unless you have data that proves that the performance matters. And if you have, you need to measure what's faster in your specific case. My guess is also that del is slightly faster, but for a...
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Verify a certificate chain using openssl verify

... That's not what OP asked for, but in case you want to verify NOT self-signed chain, then use system/browser CA file instead of your own. For example on OS X with openssl from homebrew use: openssl verify -CAfile /usr/local/etc/openssl/c...
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What is the purpose of backbone.js?

... What's JAMMIT? ɯnɯıuıɯ ʇunoɔ ɹǝʇɔɐɹɐɥɔ – user1717828 Dec 11 '14 at 20:57 1 ...
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In Node.js, how do I “include” functions from my other files?

... You can require any js file, you just need to declare what you want to expose. // tools.js // ======== module.exports = { foo: function () { // whatever }, bar: function () { // whatever } }; var zemba = function () { } And in your app file: // app.js // ===...
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What are the options for storing hierarchical data in a relational database? [closed]

... My favorite answer is as what the first sentence in this thread suggested. Use an Adjacency List to maintain the hierarchy and use Nested Sets to query the hierarchy. The problem up until now has been that the coversion method from an Adjacecy List...