Libname S3A3 "D:\STAT 3A03\Fall 2017\Data";
* Replace the path above with the path to whatever folder you use for this course;

PROC IMPORT out=CSdata
	datafile="D:\STAT 3A03\Fall 2017\Data\CSData.txt"
       DBMS=DLM
       REPLACE;
   Getnames=yes;
   Datarow=2;
run;

Data Csdata1;
	Set S3A3.CSdata;
	Math=HSM+SATM/80;
run;

PROC REG Data=Csdata1 plots=none;
   Model GPA=Math;
   Model GPA=HSM Math;
   Model GPA=SATM Math;
run;
quit;

PROC REG Data=Csdata1 plots=none;
   Model GPA=SATM HSM;
run;
quit;

* A model in which the X matrix is not of full rank;
PROC REG Data=Csdata1 plots=none;
   Model GPA=HSM SATM Math;
run;
quit;

PROC IMPORT out=S3A3.Fuel
   datafile="Fuel2001.txt"
       DBMS=DLM
       REPLACE;
   Getnames=yes;
   Datarow=2;
run;

Data S3A3.Fuel_trans;
   Set S3A3.Fuel;
   Fuel=1000*FuelC/Pop;
   Dlic=1000*Drivers/Pop;
   LogMiles=log2(Miles);
run;

* Fuel Consumption Example;
PROC REG Data=S3A3.Fuel_trans plots=none outest=S3A3.Fuel_ests Tableout;
	Model Fuel=Tax DLic Income LogMiles;
	Output Out=S3A3.Fuel_out
		Predicted=fitted
		Residual=resid;
	Plot Fuel*Pred.;
run;
quit;

PROC REG Data=S3A3.Fuel_out plots=none;
  Model Fuel=fitted;
  Plot Fuel*fitted;
run;
quit;