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[DEMO] Set the seed #194

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[DEMO] Set the seed #194

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3576563
Set the seed to reproduce runs
ageorgou Sep 14, 2021
a55104e
Set seed at correct place for repetition
ageorgou Sep 20, 2021
6678cde
Allow controlling whether we want to set the seed
ageorgou Sep 20, 2021
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20 changes: 20 additions & 0 deletions hiv_synthesis.sas
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,9 @@ libname a "&outputdir/";
%let population = 100000 ;
%let year_interv = 2021.5;

* Set this to 1 to get repeatable runs. It should be kept to 0 normally.;
%let run_with_fixed_seed = 0;

options ps=1000 ls=220 cpucount=4 spool fullstimer ;

/*
Expand Down Expand Up @@ -102,6 +105,15 @@ between 18-49 can be sampled using %sample_uniform(my_var, 18:49);
%mend sample_uniform;


/*
Macro for setting the seed if so specified.
This will do nothing if run_with_fixed_seed is set to 0 (the default).
*/
%macro fix_seed(seed);
%if &run_with_fixed_seed = 1 %then %do; call streaminit(&seed); %end;
%mend fix_seed;


* creating a file cum_l1 that will be used to save outputs at the end of running each loop of the model , i.e. every 3 months ;
data cum_l1;

Expand All @@ -121,6 +133,9 @@ One row of data defined, containing parameter values that remain fixed for the

data z;

* for reproducing a run;
%fix_seed(5);

run = rand('uniform')*1000000000; run=round(run,1);

dataset_id=trim(left(run));
Expand Down Expand Up @@ -985,6 +1000,8 @@ drop i;

data r1; set r1;

* for reproducing a run;
%fix_seed(10);

%sample_uniform(gender, 1 2);

Expand Down Expand Up @@ -17308,6 +17325,9 @@ s_prop_w_vlg5 s_prop_w_vlg6 s_prop_y181m s_sw s_w_newp ;

data r&da2; set r&da2;

* for reproducing a run;
%fix_seed(&j);

if age >= year_start;


Expand Down