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Determine the data types of a data frame's columns

...use ?str(). To explore some examples, let's make some data: set.seed(3221) # this makes the example exactly reproducible my.data <- data.frame(y=rnorm(5), x1=c(1:5), x2=c(TRUE, TRUE, FALSE, FALSE, FALSE), X3=letters[1:5]) ...
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Output data from all columns in a dataframe in pandas [duplicate]

... 21 In ipython, I use this to print a part of the dataframe that works quite well (prints the first...
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Delete element in a slice

... answered Jul 29 '14 at 21:47 davedave 46.2k33 gold badges5454 silver badges7272 bronze badges ...
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Map Tiling Algorithm

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Python using enumerate inside list comprehension

... | edited May 27 '12 at 21:17 answered May 27 '12 at 21:05 ...
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C char array initialization

... answered Sep 8 '13 at 21:51 ouahouah 131k1414 gold badges240240 silver badges301301 bronze badges ...
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Generate a random double in a range

... answered Sep 9 '10 at 21:17 mobmob 108k1717 gold badges137137 silver badges263263 bronze badges ...
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How to remove gaps between subplots in matplotlib?

... answered Nov 18 '13 at 21:21 MollyMolly 11.4k33 gold badges3333 silver badges3636 bronze badges ...
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How do you remove a Cookie in a Java Servlet

... answered May 21 '09 at 1:36 cjscjs 20.4k66 gold badges7373 silver badges9090 bronze badges ...
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C compile error: “Variable-sized object may not be initialized”

... | edited Jun 21 '10 at 8:33 answered Jun 21 '10 at 8:06 ...