Daniel@0: function CPD = set_fields(CPD, varargin)
Daniel@0: % SET_PARAMS Set the parameters (fields) for a tabular_CPD object
Daniel@0: % CPD = set_params(CPD, name/value pairs)
Daniel@0: %
Daniel@0: % The following optional arguments can be specified in the form of name/value pairs:
Daniel@0: %
Daniel@0: % CPT, prior, clamped, counts
Daniel@0: %
Daniel@0: % e.g., CPD = set_params(CPD, 'CPT', 'rnd')
Daniel@0: 
Daniel@0: args = varargin;
Daniel@0: nargs = length(args);
Daniel@0: for i=1:2:nargs
Daniel@0:   switch args{i},
Daniel@0:    case 'CPT', 
Daniel@0:     if ischar(args{i+1})
Daniel@0:       switch args{i+1}
Daniel@0:        case 'unif', CPD.CPT = mk_stochastic(myones(CPD.sizes));
Daniel@0:        case 'rnd',  CPD.CPT = mk_stochastic(myrand(CPD.sizes));
Daniel@0:        otherwise,   error(['invalid type ' args{i+1}]);       
Daniel@0:       end
Daniel@0:     elseif isscalarBNT(args{i+1})
Daniel@0:       p = args{i+1};
Daniel@0:       k = CPD.sizes(end);
Daniel@0:       % Bug fix by Hervé Boutrouille 10/1/01
Daniel@0:       CPD.CPT = myreshape(sample_dirichlet(p*ones(1,k), prod(CPD.sizes(1:end-1)), CPD.sizes));   
Daniel@0:       %CPD.CPT = myreshape(sample_dirichlet(p*ones(1,k), prod(CPD.sizes(1:end-1))), CPD.sizes);
Daniel@0:     else
Daniel@0:       CPD.CPT = myreshape(args{i+1}, CPD.sizes);
Daniel@0:     end
Daniel@0:    
Daniel@0:    case 'prior',       
Daniel@0:     if ischar(args{i+1}) & strcmp(args{i+1}, 'unif')
Daniel@0:       CPD.prior = myones(CPD.sizes);
Daniel@0:     elseif isscalarBNT(args{i+1})
Daniel@0:       CPD.prior = args{i+1} * normalise(myones(CPD.sizes));
Daniel@0:     else
Daniel@0:       CPD.prior = myreshape(args{i+1}, CPD.sizes);
Daniel@0:     end
Daniel@0:     
Daniel@0:    %case 'clamped',      CPD.clamped = strcmp(args{i+1}, 'yes');
Daniel@0:    %case 'clamped',      CPD = set_clamped(CPD, strcmp(args{i+1}, 'yes'));
Daniel@0:    case 'clamped',      CPD = set_clamped(CPD, args{i+1});
Daniel@0:     
Daniel@0:    case 'counts',      CPD.counts = args{i+1};
Daniel@0:    
Daniel@0:    otherwise,  
Daniel@0:     %error(['invalid argument name ' args{i}]);       
Daniel@0:   end
Daniel@0: end
Daniel@0: 
Daniel@0: