RE: st: doubt on the output format %w.dg

[Grace Jessie <gracejessie@hotmail.com>]

Nick,
thank you very much!
Grace

> Date: Fri, 18 Mar 2011 09:14:55 +0000
> Subject: Re: st: doubt on the output format %w.dg
> From: njcoxstata@gmail.com
> To: statalist@hsphsun2.harvard.edu
> 
> Pleased you solved your problem.
> 
> As the original link in particular gave advice to a different question
> in the context of a particular example, and your examples appear now
> to be quite unrepresentative of your real data, then it does not
> surprise that the advice needs some modification for your case.
> 
> Indeed. I find for example
> 
> . di %2.1f 1e5 + 1/10
> 100000.1
> 
> . di %2.1f 1e6 + 1/10
> 1.0e+06
> 
> and I regard 1e6 as very greatly bigger than numbers like 1e2. I think
> only trial and error will show you how to produce your own favoured
> format. It's also a case of your own degree of aversion to unnecessary
> spaces, which you don't spell out.
> 
> Nick
> 
> 2011/3/18 Grace Jessie <gracejessie@hotmail.com>:
> 
> > I need to show an entire variable, so what you typed is helpful but with a little modification.
> >
> > generate toshow = string(numvar, "%12.2f")
> > replace toshow = string(numvar, "%12.0f") if substr(toshow, -2, 2) == "00"
> > replace toshow = string(numvar, "%12.1f") if substr(toshow, -1, 1) == "0" & substr(toshow, -3, 1) == "."
> >
> > Additionally, why did you set "w" one bigger than the decimal places in "%w.df"? If I do so, most of the values are
> > showed in exponential format. In an early posting, you mentioned "Use something like %2.1f and Stata will just assign enough space automagically, unless the number is very greatly bigger." Maybe my number is too big. How to decide "w"? What I can do is to set the "w"
> > large enough.
> 
> Nick Cox
> 
> >> You are inventing your own format -- unless someone recognises this as
> >> an existing format.
> >>
> >> For an individual number, the choice could be something like
> >>
> >> local number = <whatever>
> >> local show : display %3.2f `number'
> >> if substr("`show'", -2, 2) == "00" {
> >> di `number'
> >> }
> >> else if substr("`show'", -1, 1) == "0" {
> >> di %2.1f `number'
> >> }
> >> else di "`show'"
> >>
> >> To show an entire variable this way I guess you'd need to work with
> >> something like
> >>
> >> generate toshow = string(numvar, "%3.2f")
> >> replace toshow = string(numvar, "%1.0f") if substr(toshow, -2, 2) == "00"
> >> replace toshow = string(numvar, "%2.1f") if substr(toshow, -1, 1) == "0"
> 
> Grace Jessie
> 
> >> > I want to set one variable to display with two digits to the right of the decimal point if the number of digits to the right of the decimal point is more than 2, otherwise display as it is.
> >> > For example.
> >> > The value of one variable is "1.2 3.2345 3 5.45"
> >> > I hope it to display as "1.2 3.23 3 5.45"
> >> > Is there any way?
> 
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