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Re: st: how to keep number after comma only
From
Nick Cox <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: how to keep number after comma only
Date
Tue, 25 Feb 2014 17:00:05 +0000
This crossed with my previous.
-mod(abs(x), 1)- is a modified suggestion.
Nick
[email protected]
On 25 February 2014 16:53, Sergiy Radyakin <[email protected]> wrote:
> . local x=-3.1415
> . di mod(`x',1)
> .8585
>
> . di `x'-floor(`x')
> .8585
>
> Though this is not your case, probably. But I would still put an
> 'assert (term>=0)' before getting the fraction in a way like this.
>
> Also note that Stata defines mod(x,y) as x - y*int(x/y) on domain (-inf;+inf).
> I don't think it is working for negatives:
> . di mod(`x',1)
> .8585
>
> . di mod(`x',2)
> .8585
>
> Best, Sergiy
>
> On Tue, Feb 25, 2014 at 11:36 AM, Nick Cox <[email protected]> wrote:
>> The fractional part is the remainder on division by 1.
>>
>> . di mod(_pi, 1)
>> .14159265
>>
>> . di mod(3.1,1)
>> .1
>>
>> or the difference between a number and its floor.
>>
>> Nick
>> [email protected]
>>
>>
>> On 25 February 2014 16:24, Dao Kim <[email protected]> wrote:
>>
>>
>> I am trying to keep only the digits of a number, for example 37.1
>> weeks in order to convert it into days. I could keep the first 2
>> numbers with "gen long term_days = floor(term/10)", how does it work
>> for the number after the comma?
>> *
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> *
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*
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