Hi Everyone,    I followed SAS OR example and made some modification as following. However, there are some error message I have no idea how to sole. Could you give me some suggestions? Thank you!     The error message of the following code are:   read data transport_cost_data into [o_city] _ 771 NOTE 771-782: The name 'o_city' hides an outer declaration. 55 {d_city in D_CITY} <transport_cost[o_city,d_city] = col(d_city)>; ______ 771 NOTE 771-782: The name 'd_city' hides an outer declaration.   data demand_data; input d_city $ Demand; datalines; Boston 150 New_York 150 ; data supply_data; input o_city $ Supply; datalines; Detroit 200 Pittsburgh 100 ; data transport_cost_data; input o_city $ Boston New_York; datalines; Detroit 30 20 Pittsburgh 40 10 ;   proc optmodel; /* specify parameters */ set <str> O_CITY; num Supply {O_CITY}; read data supply_data into O_CITY = [o_city] Supply; print Supply; set <str> D_CITY; num Demand {D_CITY}; read data demand_data into D_CITY = [d_city] Demand; print Demand; num transport_cost {O_CITY, D_CITY}; read data transport_cost_data into [o_city] {d_city in D_CITY} <transport_cost[o_city,d_city] = col(d_city)>; /* model description */ var x{O_CITY,D_CITY} >= 0; min total_cost = sum{i in O_CITY, j in D_CITY}transport_cost[i,j]*x[i,j]; constraint supply_rule {i in O_CITY}: sum{j in D_CITY}x[i,j]=Supply[i]; constraint demand_rule {j in D_CITY}: sum{i in O_CITY}x[i,j]=Demand[j]; /* solve and output */ solve; print x; ... View more

Hi All, I am new to SAS. I am starting to learn and apply proc UCM, and have a couple questions about it. Could you help me understand how can I get the numerical fitted values on the training set (or on the historical record)? For example, if n0 and n1 are the first and last value of actual observation in the historical record separately, how can I get the numerical fitted values after estimation? Are those values stored under "S_NOIRREG" after using OUTFOR? I am also confused by the ACF and PACF plots generated by SAS. Do they reflect ACF and PACF of predicted errors on the "Out of sample set" (or test set)? I re-plot the "Residuals" column by R, but found that they are not the same..... Could you help me to understand these? I appreciate your help so much! Best regards, YH ... View more

Hi All, I am new to SAS. I am starting to learn and apply proc UCM, and have a couple questions about it. Could you help me understand how can I get the numerical fitted values on the training set (or on the historical record)? For example, if n0 and n1 are the first and last value of actual observation in the historical record separately, how can I get the numerical fitted values after estimation? Are those values stored under "S_NOIRREG" after using OUTFOR? I am also confused by the ACF and PACF plots generated by SAS. Do they reflect ACF and PACF of predicted errors on the "Out of sample set" (or test set)? I re-plot the "Residuals" column by R, but found that they are not the same..... Could you help me to understand these? I appreciate your help so much! Best regards, YH ... View more

Hi Everyone, I have some questions about data set definition in an optimization model. One of the constraints is: sum {i in DivBlocks , j in Pages} BlockSize * BlockAssign[i,j] <= MaxDivPrntArea . But I do not know how to create the data set of MaxDivPrntArea, can you tell me how to create it? PS: the length of  MaxDivPrntArea may be different from  MaxDivPrntArea[k'] when k is not equal k'. Thank you very much for your help! ... View more