topic allocation matrix in SAS Procedures https://communities.sas.com/t5/SAS-Procedures/allocation-matrix/m-p/8690#M415 Hi,<BR /> <BR /> I am working with IML and I want to obtain a matrix of coefficient by assigning element by element something like this :<BR /> %macro cal(arguments);<BR /> .<BR /> .<BR /> .<BR /> %do ind=1 %to n;<BR /> %do sim=1 %to p;<BR /> .<BR /> .<BR /> .<BR /> proc iml;<BR /> .<BR /> .<BR /> .<BR /> RVCC[&amp;ind,∼]=trace(s)/sqrt(trace(w**2)*trace(w2**2));<BR /> .<BR /> .<BR /> %end;<BR /> %end;<BR /> .<BR /> .<BR /> .<BR /> %mend<BR /> <BR /> <BR /> I have this error : "Matrix RVCC has not been set to a value"<BR /> <BR /> Why do this occur?! Any one can help me?<BR /> <BR /> <BR /> Sincerly,<BR /> <BR /> Nad Wed, 28 Oct 2009 13:55:58 GMT nadra 2009-10-28T13:55:58Z allocation matrix https://communities.sas.com/t5/SAS-Procedures/allocation-matrix/m-p/8690#M415 Hi,<BR /> <BR /> I am working with IML and I want to obtain a matrix of coefficient by assigning element by element something like this :<BR /> %macro cal(arguments);<BR /> .<BR /> .<BR /> .<BR /> %do ind=1 %to n;<BR /> %do sim=1 %to p;<BR /> .<BR /> .<BR /> .<BR /> proc iml;<BR /> .<BR /> .<BR /> .<BR /> RVCC[&amp;ind,∼]=trace(s)/sqrt(trace(w**2)*trace(w2**2));<BR /> .<BR /> .<BR /> %end;<BR /> %end;<BR /> .<BR /> .<BR /> .<BR /> %mend<BR /> <BR /> <BR /> I have this error : "Matrix RVCC has not been set to a value"<BR /> <BR /> Why do this occur?! Any one can help me?<BR /> <BR /> <BR /> Sincerly,<BR /> <BR /> Nad Wed, 28 Oct 2009 13:55:58 GMT https://communities.sas.com/t5/SAS-Procedures/allocation-matrix/m-p/8690#M415 nadra 2009-10-28T13:55:58Z Re: allocation matrix https://communities.sas.com/t5/SAS-Procedures/allocation-matrix/m-p/8691#M416 Suggest you re-post in the IML forum.<BR /> <BR /> Scott Barry<BR /> SBBWorks, Inc. Wed, 28 Oct 2009 14:38:46 GMT https://communities.sas.com/t5/SAS-Procedures/allocation-matrix/m-p/8691#M416 sbb 2009-10-28T14:38:46Z Re: allocation matrix https://communities.sas.com/t5/SAS-Procedures/allocation-matrix/m-p/8692#M417 thanks! I do it ! Wed, 28 Oct 2009 14:45:38 GMT https://communities.sas.com/t5/SAS-Procedures/allocation-matrix/m-p/8692#M417 nadra 2009-10-28T14:45:38Z