Student t-distribution: why the dash











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In statistics, the t-distribution is important. It is an approximation to the normal distribution. Of course we don't say "normal-distribution" (with the dash).



Well then, what exactly is the grammatical justification for calling it




t-distribution




as opposed to just




t distribution




?



Or to put it another way, is there a good name for the practice of using a dash in this kind of context?










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  • single letters alone are considered ugly? (except for 'I' and 'a' (unless those are just the letters and not the single-letter words))
    – Mitch
    3 hours ago






  • 2




    These types of things are jargon of the field, they're often ideosyncratic.
    – Barmar
    3 hours ago















up vote
0
down vote

favorite












In statistics, the t-distribution is important. It is an approximation to the normal distribution. Of course we don't say "normal-distribution" (with the dash).



Well then, what exactly is the grammatical justification for calling it




t-distribution




as opposed to just




t distribution




?



Or to put it another way, is there a good name for the practice of using a dash in this kind of context?










share|improve this question
























  • single letters alone are considered ugly? (except for 'I' and 'a' (unless those are just the letters and not the single-letter words))
    – Mitch
    3 hours ago






  • 2




    These types of things are jargon of the field, they're often ideosyncratic.
    – Barmar
    3 hours ago













up vote
0
down vote

favorite









up vote
0
down vote

favorite











In statistics, the t-distribution is important. It is an approximation to the normal distribution. Of course we don't say "normal-distribution" (with the dash).



Well then, what exactly is the grammatical justification for calling it




t-distribution




as opposed to just




t distribution




?



Or to put it another way, is there a good name for the practice of using a dash in this kind of context?










share|improve this question















In statistics, the t-distribution is important. It is an approximation to the normal distribution. Of course we don't say "normal-distribution" (with the dash).



Well then, what exactly is the grammatical justification for calling it




t-distribution




as opposed to just




t distribution




?



Or to put it another way, is there a good name for the practice of using a dash in this kind of context?







dashes






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 2 hours ago

























asked 4 hours ago









Bjørn Kjos-Hanssen

1757




1757












  • single letters alone are considered ugly? (except for 'I' and 'a' (unless those are just the letters and not the single-letter words))
    – Mitch
    3 hours ago






  • 2




    These types of things are jargon of the field, they're often ideosyncratic.
    – Barmar
    3 hours ago


















  • single letters alone are considered ugly? (except for 'I' and 'a' (unless those are just the letters and not the single-letter words))
    – Mitch
    3 hours ago






  • 2




    These types of things are jargon of the field, they're often ideosyncratic.
    – Barmar
    3 hours ago
















single letters alone are considered ugly? (except for 'I' and 'a' (unless those are just the letters and not the single-letter words))
– Mitch
3 hours ago




single letters alone are considered ugly? (except for 'I' and 'a' (unless those are just the letters and not the single-letter words))
– Mitch
3 hours ago




2




2




These types of things are jargon of the field, they're often ideosyncratic.
– Barmar
3 hours ago




These types of things are jargon of the field, they're often ideosyncratic.
– Barmar
3 hours ago










1 Answer
1






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up vote
3
down vote



accepted










A hyphen — not a dash — commonly joins an initial single letter/digit to form a compound word. Left to its own devices, general usage will capitalize:




A-side, B-side, T-shirt, A-shirt, O-level, X-ray




Otherwise, various commercial or scientific fields set their own conventions. There is no particular reason why, for instance, it's t-distribution but T-cell beyond the tendency in mathematics not to capitalize letters except in special circumstances. In other words, it’s E = mc2 by community agreement and convention.



Many e-words such as e-commerce, e-learning, and especially e-mail are dropping their hyphens. I've also seen B movie both ways.






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    1 Answer
    1






    active

    oldest

    votes








    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes








    up vote
    3
    down vote



    accepted










    A hyphen — not a dash — commonly joins an initial single letter/digit to form a compound word. Left to its own devices, general usage will capitalize:




    A-side, B-side, T-shirt, A-shirt, O-level, X-ray




    Otherwise, various commercial or scientific fields set their own conventions. There is no particular reason why, for instance, it's t-distribution but T-cell beyond the tendency in mathematics not to capitalize letters except in special circumstances. In other words, it’s E = mc2 by community agreement and convention.



    Many e-words such as e-commerce, e-learning, and especially e-mail are dropping their hyphens. I've also seen B movie both ways.






    share|improve this answer

























      up vote
      3
      down vote



      accepted










      A hyphen — not a dash — commonly joins an initial single letter/digit to form a compound word. Left to its own devices, general usage will capitalize:




      A-side, B-side, T-shirt, A-shirt, O-level, X-ray




      Otherwise, various commercial or scientific fields set their own conventions. There is no particular reason why, for instance, it's t-distribution but T-cell beyond the tendency in mathematics not to capitalize letters except in special circumstances. In other words, it’s E = mc2 by community agreement and convention.



      Many e-words such as e-commerce, e-learning, and especially e-mail are dropping their hyphens. I've also seen B movie both ways.






      share|improve this answer























        up vote
        3
        down vote



        accepted







        up vote
        3
        down vote



        accepted






        A hyphen — not a dash — commonly joins an initial single letter/digit to form a compound word. Left to its own devices, general usage will capitalize:




        A-side, B-side, T-shirt, A-shirt, O-level, X-ray




        Otherwise, various commercial or scientific fields set their own conventions. There is no particular reason why, for instance, it's t-distribution but T-cell beyond the tendency in mathematics not to capitalize letters except in special circumstances. In other words, it’s E = mc2 by community agreement and convention.



        Many e-words such as e-commerce, e-learning, and especially e-mail are dropping their hyphens. I've also seen B movie both ways.






        share|improve this answer












        A hyphen — not a dash — commonly joins an initial single letter/digit to form a compound word. Left to its own devices, general usage will capitalize:




        A-side, B-side, T-shirt, A-shirt, O-level, X-ray




        Otherwise, various commercial or scientific fields set their own conventions. There is no particular reason why, for instance, it's t-distribution but T-cell beyond the tendency in mathematics not to capitalize letters except in special circumstances. In other words, it’s E = mc2 by community agreement and convention.



        Many e-words such as e-commerce, e-learning, and especially e-mail are dropping their hyphens. I've also seen B movie both ways.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered 33 mins ago









        KarlG

        18.8k52753




        18.8k52753






























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