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Reshaping data.frame from wide to long format

... idvar = c("Code", "Country"), timevar = "Year", times = 1950:1954) share | improve this answer | follow | ...
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ITunes review URL and iOS 7 (ask user to rate our app) AppStore show a blank page

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Factors in R: more than an annoyance?

... same. However, you end up with warnings in your code: lm(Petal.Length ~ -1 + Species, data=iris) # Call: # lm(formula = Petal.Length ~ -1 + Species, data = iris) # Coefficients: # Speciessetosa Speciesversicolor Speciesvirginica # 1.462 4.260 5.552 ...
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What is the difference between quiet NaN and signaling NaN?

...FPU. Whether the exception is thrown depends on the state of the FPU. C++11 adds a few language controls over the floating-point environment and provides standardized ways to create and test for NaNs. However, whether the controls are implemented is not well standardized and floating-point except...
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How do I echo and send console output to a file in a bat script?

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How to read a file without newlines?

...ead().splitlines() Or you can strip the newline by hand: temp = [line[:-1] for line in file] Note: this last solution only works if the file ends with a newline, otherwise the last line will lose a character. This assumption is true in most cases (especially for files created by text editors, ...
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How to control the line spacing in UILabel

... | edited Jan 5 '18 at 8:31 Bart van Kuik 3,8212626 silver badges4444 bronze badges answered Ap...
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How are multi-dimensional arrays formatted in memory?

... 147 A static two-dimensional array looks like an array of arrays - it's just laid out contiguously...
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How to get next/previous record in MySQL?

... | edited Jul 10 '12 at 10:53 Vimalnath 6,12222 gold badges2323 silver badges4444 bronze badges ...
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How can I pass a list as a command-line argument with argparse?

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