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Counting the number of elements with the values of x in a vector
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You can just use table():
> a <- table(numbers)
> a
numbers
4 5 23 34 43 54 56 65 67 324 435 453 456 567 657
2 1 2 2 1 1 2 1 2 1 3 1 1 1 1
Then you can subset it:
> a[names(a)==435]
435
3
Or convert it into a data.frame if you're mor...
C++ semantics of `static const` vs `const`
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edited Jan 8 at 14:56
Lightness Races in Orbit
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Is there XNOR (Logical biconditional) operator in C#?
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How to implement a property in an interface
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Stefan SteineggerStefan Steinegger
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Running python script inside ipython
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answered Mar 12 '15 at 16:44
rakkerakke
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How to cast an object in Objective-C
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answered Mar 27 '09 at 17:40
Jim PulsJim Puls
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What would be a good docker webdev workflow?
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setTimeout / clearTimeout problems
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Ankur Soni
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answered Jun 10 '10 at 14:30
PointyPointy
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String.replaceAll single backslashes with double backslashes
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answered Nov 9 '09 at 15:45
BalusCBalusC
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How can I tell which homebrew formulae are upgradable?
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edited Aug 6 '18 at 2:41
answered Oct 23 '12 at 21:09
A...