Re: [Gretl-users] randgen question
On Tue, 17 Nov 2009, Talha Yalta wrote:
On Tue, Nov 17, 2009 at 4:12 PM, Allin Cottrell
<cottrell(a)wfu.edu> wrote:
>
> On Tue, 17 Nov 2009, Talha Yalta wrote:
>
>> I am trying to perpare a ML tutorial where there are T balls
>> in a bag with a ratio of P=0.75 black balls and there will be
>> 250 independent trials where 0<X<10 randomly chosen balls
>> from the bag will show Y blacks.
>> I create a new data set with 250 observations and create X
>> with genr X = floor(randgen(u,0,11)
>> After this, however, the command genr Y = randgen(b,0.75,X)
>> does not work. Any suggestions?
>
> Giving a series for the third argument is not supported.
I see but is it possible to do what I am trying to do in gretl?
nulldata 250
X = floor(randgen(u,0,11))
series Y
series tmp
loop i=1..250
if X[i] = 0
Y[i] = 0
else
tmp = randgen(b,0.75,X[i])
Y[i] = tmp[1]
endif
endloop
Allin Cottrell