You shouldn't need to -round(,)-. This is
a standard precision issue (-search precision, faq-)
and the presentation problem should be soluble using -format-.
Thus we need to know in what sense that "doesn't work".
Nick
[email protected]
Siyam, Amani
> I am dealing with survey data that avails children weights in kgs (int
> %8.0g). The way the weight variable is provided is without decimal
> places as a three digit number, the last digit representing the 1st
> decimal place, that is the variable has to be divided by 10 before it
> can be used for the necessary calculations.
>
> I used the command:
>
> gen tweight=weight/10
>
> The way the variable "tweight" is stored is critical to the subsequent
> user of my programme and rather annoying because I don't understand
> where the extra decimal places are coming from. Below is an
> example of
> the pattern of how the 1 decimal place
>
> DHS weight True tweight Stata-stored tweight
> 30 3.0 3.0
> 31 3.1 3.0999999
> 32 3.2 3.2
> 33 3.3 3.3000002
> 34 3.4 3.4000001
> 35 3.5 3.5
> 36 3.6 3.5999999
> 37 3.7 3.7
> 38 3.8 3.8
> 39 3.9 3.9000001
>
> When you summarise the variable tweight, it neatly displays as a
> 1-decimal place variable.
>
> Variable | Obs Mean Std. Dev. Min Max
> -------------+--------------------------------------------------------
> tweight | 2686 8.617238 3.959973 1.5 80.7
>
> I tried the common formatting commands but none seem to be working:
>
> gen float tweight=weight
> repl tweight=round(tweight, 0.1)
> format tweight %9.1f
>
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