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MathGroup Archive 2005

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Re: formatting table with integers and floats in a column

  • To: mathgroup at smc.vnet.net
  • Subject: [mg61369] Re: formatting table with integers and floats in a column
  • From: "Ray Koopman" <koopman at sfu.ca>
  • Date: Mon, 17 Oct 2005 02:29:33 -0400 (EDT)
  • References: <disloi$mjg$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

How about something like

myForm[x_Integer,{n_,f_}] := ToString@NumberForm[x, n-f ];
myForm[x_,       {n_,f_}] := ToString@NumberForm[x,{n,f}]

then

TableForm[Transpose[{statNames, myForm[#,{4,1}]&/@statNumbers}]]

Murray Eisenberg wrote:
> I have a 2-column table whose first column consists of strings --
>
>   statNames = {"N", "Max", "Min", "Mean", "Std.dev.", "Median"};
>
> -- and a column of corresponding numbers:
>
>   statNumbers = {40, 103, 2, 56.8, 22.5, 59};
>
> If I use
>
>    TableForm[Transpose[{statNames, statNumbers}]]
>
> then of course all the numbers will be left-aligned on their leftmost
> digits.
>
> I want to format the numbers in the table so that they will appear as
> follows:
>
> N         40
> Max      103
> Min        2
> Mean      56.8
> Std.dev.  22.5
> Median    59
>
> Notice that I want the integers to appear as integers -- WITHOUT any
> trailing decimal point; but the alignment is to be as if the numbers
> were aligned on the decimal points including the implicit, but
> unprinted, decimal points in the integers.
>
> How??
>
> I've tried various things with mapping NumberForm onto the individual
> numbers but cannot quite get the correct effect.
>
> --
> Murray Eisenberg                     murray at math.umass.edu
> Mathematics & Statistics Dept.
> Lederle Graduate Research Tower      phone 413 549-1020 (H)
> University of Massachusetts                413 545-2859 (W)
> 710 North Pleasant Street            fax   413 545-1801
> Amherst, MA 01003-9305


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