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Re: st: Input data from keyboard combined with Monte Carlo


From   Austin Nichols <austinnichols@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Input data from keyboard combined with Monte Carlo
Date   Wed, 19 Jun 2013 12:54:32 -0400

Nick--
A -program- cannot include -input- because -end- is ambiguous. Easy
enough to put the data in a matrix, which the program turns into a
variable.

On Wed, Jun 19, 2013 at 12:50 PM, Nick Cox <njcoxstata@gmail.com> wrote:
> I see. If n is not fixed, the -display- directive to input numbers
> would need to be supplemented by input of how many numbers you intend
> to give, which probably rules it out.
>
> I don't see why your program should not allow -input- in the middle,
> but I've not tried that, or at least recently. Seems easiest to input
> some numbers, then run the program.
> Nick
> njcoxstata@gmail.com
>
>
> On 19 June 2013 17:42, John Antonakis <John.Antonakis@unil.ch> wrote:
>> Hi Nick:
>>
>> Thanks for your suggestions.
>>
>> The n=11 was just indicative....I did not want to have a wieldy example.
>>
>> Best,
>>
>> J.
>>
>> __________________________________________
>>
>> John Antonakis
>> Professor of Organizational Behavior
>> Director, Ph.D. Program in Management
>>
>> Faculty of Business and Economics
>> University of Lausanne
>> Internef #618
>> CH-1015 Lausanne-Dorigny
>> Switzerland
>> Tel ++41 (0)21 692-3438
>> Fax ++41 (0)21 692-3305
>> http://www.hec.unil.ch/people/jantonakis
>>
>> Associate Editor
>> The Leadership Quarterly
>> __________________________________________
>>
>> On 19.06.2013 12:36, Nick Cox wrote:
>>>
>>> You perhaps don't want to hear the advice not to do that, but
>>> -display- has a _request() directive that is one way to do it.
>>>
>>> Even if you're the only user, either you'll crash this repeatedly with
>>> silly little errors or you'll spend time writing code to catch such
>>> errors. Perhaps you don't mind.
>>>
>>> With 11 as the sample size, I'd consider typing them as a Stata matrix
>>> (vector) or as a numlist in an option. The two can be combined.
>>>
>>> Nick
>>> njcoxstata@gmail.com
>>>
>>>
>>> On 19 June 2013 11:20, John Antonakis <John.Antonakis@unil.ch> wrote:
>>>>
>>>> Suppose that I want to run the below program.
>>>>
>>>> clear
>>>> capture program drop sim
>>>> version 12
>>>> program define sim, rclass
>>>> drop _all
>>>> set obs 11
>>>> foreach var of newlist x1-x5 {
>>>> gen `var' = rnormal()
>>>> }
>>>> reg y x*
>>>> end
>>>> simulate explvar=e(r2), reps(50) seed(123): sim
>>>>
>>>> Now I want to generate y by using fixed-values that I input, e.g.,
>>>>
>>>> input y
>>>> 4.715581
>>>> 4.296504
>>>> 4.170745
>>>> 2.065717
>>>> 3.648136
>>>> 8.156727
>>>> 2.280866
>>>> 2.817171
>>>> 2.647611
>>>> 3.272532
>>>> end
>>>>
>>>> How can I combine inputting the data within the MC program so that the
>>>> y-values are always fixed and that the x's are randomly generated?
>>>>
>>>> Best,
>>>> John.
>>>>
>>>>
>>>> __________________________________________
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