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How can I create a correlation matrix in R?

... data.frame(x1=rnorm(10), x2=rnorm(10), x3=rnorm(10)) cor(d) # get correlations (returns matrix) share | improve this answer | follow ...
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Write to UTF-8 file in Python

... Zanon 20.3k1414 gold badges9595 silver badges106106 bronze badges answered Jun 1 '09 at 9:46 Jon SkeetJon Skee...
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GRANT EXECUTE to all stored procedures

... answered Feb 17 '12 at 1:13 Antony ScottAntony Scott 20.3k1010 gold badges5858 silver badges8686 bronze badges ...
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setState vs replaceState in React.js

... 138 With setState the current and previous states are merged. With replaceState, it throws out the...
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Ternary Operator Similar To ?:

... | edited May 23 '17 at 11:47 Community♦ 111 silver badge answered Feb 9 '11 at 16:45 ...
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How does one reorder columns in a data frame?

... 354 Your dataframe has four columns like so df[,c(1,2,3,4)]. Note the first comma means keep all t...
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How to build an android library with Android Studio and gradle?

...roject from Eclipse but nothing I have tried is working. In Eclipse I have 3 projects (2 android app projects and 1 android library project). The 2 app projects depend on the library project. When I do the gradle export I get 3 projects that don't work. I am open to restructuring the project but hav...
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What algorithm does Readability use for extracting text from URLs?

... | edited Nov 3 '11 at 10:46 answered Nov 21 '10 at 20:03 ...
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What's the role of GetHashCode in the IEqualityComparer in .NET?

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Why not abstract fields?

... folibis 9,63233 gold badges3232 silver badges7777 bronze badges answered Feb 5 '10 at 22:59 rsprsp ...