How does R decide on the mode of a vector?





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I'd started learning R recently and in one of the practice questions, this was asked




What will be the output of mode(c(12, 45, "30", 34*56))




Now, since the numeric data was in majority, I thought the answer would be numeric. But the given answer (which I'd later verified in R console) was character.



What is the reason behind this?






r







share|improve this question


















  • 1





    numeric can always coerced to character.

    – jogo
    Nov 16 '18 at 14:13






  • 3





    run debugonce(mode) and mode(c(12, 45, "30", 34*56)) again for playing with the internals, hence the why.

    – Nutle
    Nov 16 '18 at 14:14













  • adv-r.had.co.nz/Data-structures.html

    – hrbrmstr
    Nov 16 '18 at 14:14











  • @Nutle I'm new to R, basically coding and I really didn't understand what was happening there

    – John Cleaver
    Nov 16 '18 at 14:17






  • 1





    @JohnCleaver so it's a useful tool to learn then! You basically enter a debug mode, where you can see the internal code of the function, can run and evaluate the code line by line and see how does the result change. Here, for example, you can try is.expression(x), is.call(x), etc, and understand which part will be executed by the mode function in the end. Finally, just type x and see how does your input look like, when passed to mode.

    – Nutle
    Nov 16 '18 at 14:22




















1















I'd started learning R recently and in one of the practice questions, this was asked




What will be the output of mode(c(12, 45, "30", 34*56))




Now, since the numeric data was in majority, I thought the answer would be numeric. But the given answer (which I'd later verified in R console) was character.



What is the reason behind this?






r







share|improve this question


















  • 1





    numeric can always coerced to character.

    – jogo
    Nov 16 '18 at 14:13






  • 3





    run debugonce(mode) and mode(c(12, 45, "30", 34*56)) again for playing with the internals, hence the why.

    – Nutle
    Nov 16 '18 at 14:14













  • adv-r.had.co.nz/Data-structures.html

    – hrbrmstr
    Nov 16 '18 at 14:14











  • @Nutle I'm new to R, basically coding and I really didn't understand what was happening there

    – John Cleaver
    Nov 16 '18 at 14:17






  • 1





    @JohnCleaver so it's a useful tool to learn then! You basically enter a debug mode, where you can see the internal code of the function, can run and evaluate the code line by line and see how does the result change. Here, for example, you can try is.expression(x), is.call(x), etc, and understand which part will be executed by the mode function in the end. Finally, just type x and see how does your input look like, when passed to mode.

    – Nutle
    Nov 16 '18 at 14:22
















1












1








1








I'd started learning R recently and in one of the practice questions, this was asked




What will be the output of mode(c(12, 45, "30", 34*56))




Now, since the numeric data was in majority, I thought the answer would be numeric. But the given answer (which I'd later verified in R console) was character.



What is the reason behind this?






r







share|improve this question














I'd started learning R recently and in one of the practice questions, this was asked




What will be the output of mode(c(12, 45, "30", 34*56))




Now, since the numeric data was in majority, I thought the answer would be numeric. But the given answer (which I'd later verified in R console) was character.



What is the reason behind this?






r




r






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 16 '18 at 14:09









John CleaverJohn Cleaver

285




285








  • 1





    numeric can always coerced to character.

    – jogo
    Nov 16 '18 at 14:13






  • 3





    run debugonce(mode) and mode(c(12, 45, "30", 34*56)) again for playing with the internals, hence the why.

    – Nutle
    Nov 16 '18 at 14:14













  • adv-r.had.co.nz/Data-structures.html

    – hrbrmstr
    Nov 16 '18 at 14:14











  • @Nutle I'm new to R, basically coding and I really didn't understand what was happening there

    – John Cleaver
    Nov 16 '18 at 14:17






  • 1





    @JohnCleaver so it's a useful tool to learn then! You basically enter a debug mode, where you can see the internal code of the function, can run and evaluate the code line by line and see how does the result change. Here, for example, you can try is.expression(x), is.call(x), etc, and understand which part will be executed by the mode function in the end. Finally, just type x and see how does your input look like, when passed to mode.

    – Nutle
    Nov 16 '18 at 14:22
















  • 1





    numeric can always coerced to character.

    – jogo
    Nov 16 '18 at 14:13






  • 3





    run debugonce(mode) and mode(c(12, 45, "30", 34*56)) again for playing with the internals, hence the why.

    – Nutle
    Nov 16 '18 at 14:14













  • adv-r.had.co.nz/Data-structures.html

    – hrbrmstr
    Nov 16 '18 at 14:14











  • @Nutle I'm new to R, basically coding and I really didn't understand what was happening there

    – John Cleaver
    Nov 16 '18 at 14:17






  • 1





    @JohnCleaver so it's a useful tool to learn then! You basically enter a debug mode, where you can see the internal code of the function, can run and evaluate the code line by line and see how does the result change. Here, for example, you can try is.expression(x), is.call(x), etc, and understand which part will be executed by the mode function in the end. Finally, just type x and see how does your input look like, when passed to mode.

    – Nutle
    Nov 16 '18 at 14:22










1




1





numeric can always coerced to character.

– jogo
Nov 16 '18 at 14:13





numeric can always coerced to character.

– jogo
Nov 16 '18 at 14:13




3




3





run debugonce(mode) and mode(c(12, 45, "30", 34*56)) again for playing with the internals, hence the why.

– Nutle
Nov 16 '18 at 14:14







run debugonce(mode) and mode(c(12, 45, "30", 34*56)) again for playing with the internals, hence the why.

– Nutle
Nov 16 '18 at 14:14















adv-r.had.co.nz/Data-structures.html

– hrbrmstr
Nov 16 '18 at 14:14





adv-r.had.co.nz/Data-structures.html

– hrbrmstr
Nov 16 '18 at 14:14













@Nutle I'm new to R, basically coding and I really didn't understand what was happening there

– John Cleaver
Nov 16 '18 at 14:17





@Nutle I'm new to R, basically coding and I really didn't understand what was happening there

– John Cleaver
Nov 16 '18 at 14:17




1




1





@JohnCleaver so it's a useful tool to learn then! You basically enter a debug mode, where you can see the internal code of the function, can run and evaluate the code line by line and see how does the result change. Here, for example, you can try is.expression(x), is.call(x), etc, and understand which part will be executed by the mode function in the end. Finally, just type x and see how does your input look like, when passed to mode.

– Nutle
Nov 16 '18 at 14:22







@JohnCleaver so it's a useful tool to learn then! You basically enter a debug mode, where you can see the internal code of the function, can run and evaluate the code line by line and see how does the result change. Here, for example, you can try is.expression(x), is.call(x), etc, and understand which part will be executed by the mode function in the end. Finally, just type x and see how does your input look like, when passed to mode.

– Nutle
Nov 16 '18 at 14:22














1 Answer
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R has a hierarchy of returning the mode.



As given in the documentation for mode, (?mode to open its documentation)




"logical", "integer", "double", "complex", "raw", "character", "list", "expression", "name", "symbol" and "function"




gives the way how R returns the mode.



Here, if the vector has even one function, the mode is function. If there is no function present, R checks for symbol and so on.






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    1 Answer
    1






    active

    oldest

    votes








    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    3














    R has a hierarchy of returning the mode.



    As given in the documentation for mode, (?mode to open its documentation)




    "logical", "integer", "double", "complex", "raw", "character", "list", "expression", "name", "symbol" and "function"




    gives the way how R returns the mode.



    Here, if the vector has even one function, the mode is function. If there is no function present, R checks for symbol and so on.






    share|improve this answer




























      3














      R has a hierarchy of returning the mode.



      As given in the documentation for mode, (?mode to open its documentation)




      "logical", "integer", "double", "complex", "raw", "character", "list", "expression", "name", "symbol" and "function"




      gives the way how R returns the mode.



      Here, if the vector has even one function, the mode is function. If there is no function present, R checks for symbol and so on.






      share|improve this answer


























        3












        3








        3







        R has a hierarchy of returning the mode.



        As given in the documentation for mode, (?mode to open its documentation)




        "logical", "integer", "double", "complex", "raw", "character", "list", "expression", "name", "symbol" and "function"




        gives the way how R returns the mode.



        Here, if the vector has even one function, the mode is function. If there is no function present, R checks for symbol and so on.






        share|improve this answer













        R has a hierarchy of returning the mode.



        As given in the documentation for mode, (?mode to open its documentation)




        "logical", "integer", "double", "complex", "raw", "character", "list", "expression", "name", "symbol" and "function"




        gives the way how R returns the mode.



        Here, if the vector has even one function, the mode is function. If there is no function present, R checks for symbol and so on.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 16 '18 at 14:24









        MoltresMoltres

        390116




        390116
































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