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+//Caption: Linear regression and Time series
+//Simple regression
+//Example10.8
+//Page388
+clear;
+clc;
+x = [1997,1998,1999,2000,2001,2002];//Year
+X = x-2000;
+y = [50,60,50,80,72,90];//Demand
+[b,a,sig]=reglin(X,y);//Linear Regression
+disp(b,'Regression coefficient b=')
+disp(a,'Regression coefficient a=')
+D = 2008;
+Y = a+b*(D-2000);
+disp(Y,'Demand for the year 2008 Y=')
+disp(Y*100000,'Demand in lakhs tons Y=')
+//Result
+//Regression coefficient b=   
+// 
+//    7.6  
+// 
+// Regression coefficient a=   
+// 
+//    70.8  
+// 
+// Demand for the year 2008 Y=   
+// 
+//    131.6  
+// 
+// Demand in lakhs tons Y=   
+// 
+//    13160000.  
+//
+\ No newline at end of file