could somebody help me? what should I do?
??? Undefined function or variable "i_stat_0".
Error in ==> get_variance_of_endogenous_variables at 63
vx1(i_stat,i_stat) = ghx(:,i_stat_0)*vx(i_stat_0,i_stat_0)*ghx(:,i_stat_0)'+ghu*Sigma_e*ghu';
Error in ==> osr_obj at 54
vx = get_variance_of_endogenous_variables(dr,i_var);
Error in ==> csminwel at 65
[f0,cost_flag] = feval(fcn,x0,varargin{:});
Error in ==> osr1 at 98
[f,p]=csminwel('osr_obj',t0,H0,[],crit,nit,options_.gradient_method,i_params,...
Error in ==> osr at 47
osr1(i_params,i_var,W);
Error in ==> toke at 291
osr(var_list_,osr_params_,obj_var_,optim_weights_);
Error in ==> dynare at 132
evalin('base',fname) ;
I wrote mod file:
optim_weights;
pi 1;
y 1;
end;
osr_params phi_pi phi_y;
phi_pi=1.5;
phi_y=0.5;
osr;