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Determine the data types of a data frame's columns

...(my.data) 'data.frame': 5 obs. of 4 variables: $ y : num 1.03 1.599 -0.818 0.872 -2.682 $ x1: int 1 2 3 4 5 $ x2: logi TRUE TRUE FALSE FALSE FALSE $ X3: Factor w/ 5 levels "a","b","c","d",..: 1 2 3 4 5 @Gavin Simpson's approach is also streamlined, but provides slightly different information ...
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How to convert string to char array in C++?

... | edited Apr 17 '18 at 17:33 G. Sliepen 4,09011 gold badge1010 silver badges2424 bronze badges ...
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Run git pull over all subdirectories [duplicate]

...is. – ThorSummoner Jun 24 '14 at 22:18 77 since git 1.8.5 it is possible to replace --git-dir and...
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Any reason to write the “private” keyword in C#?

... answered Dec 12 '11 at 18:44 Reed CopseyReed Copsey 509k6868 gold badges10681068 silver badges13251325 bronze badges ...
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C++ preprocessor __VA_ARGS__ number of arguments

...2, _3, _4, _5, _6, _7, _8, _9,_10, \ _11,_12,_13,_14,_15,_16,_17,_18,_19,_20, \ _21,_22,_23,_24,_25,_26,_27,_28,_29,_30, \ _31,_32,_33,_34,_35,_36,_37,_38,_39,_40, \ _41,_42,_43,_44,_45,_46,_47,_48,_49,_50, \ _51,_52,_53,_54,_55,_56,_57,_58,_59,_60, \ ...
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With arrays, why is it the case that a[5] == 5[a]?

... – Mehrdad Afshari Dec 19 '08 at 17:18 13 ...
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Remove last character from C++ string

...ge..! – James Bedford Aug 26 '16 at 18:21 1 The behavior is undefined if the string is empty. fr...
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Run function from the command line

...ending on my need – xappppp Apr 15 '18 at 4:16 1 For some reason, this didn't work for me, while ...
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JavaScript style for optional callbacks

...allback=noop) { ... – Keith Mar 19 '18 at 6:34  |  show 1 more comment ...
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Ignore outliers in ggplot2 boxplot

...nion. – Bram Visser Mar 24 '15 at 3:18 2 @Ramnath what does the $stats[c(1,5)] do? ...