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10	DIMV(9,61),F(6),G(6),U(6),H(6),B(6),S(6,6),T(6,6)
11	LETR=0
12	LETR=R+1
13	LETF(R)=0
15	LETG(R)=0
16	LETU(R)=1
17	LETH(R)=0
18	LETB(R)=0
19	LETJ=0
20	LETJ=J+1
21	LETT(R,J)=0
22	LETS(R,J)=0
23	IFJ<6THEN20
24	IFR<6THEN12
25	LETI=0
27	LETJ=0
28	LETJ=J+1
29	LETV(I,J)=1E37
30	IFJ<61THEN28
31	LETI=I+1
32	IFI>9THEN27
33	LETL=0
40	LETI=0
50	LETI=I+1
60	READV(0,I)
70	IFV(0,I)<>1E37THEN50
80	LETP=I-1
100	GOTO2000
109	DATA 1E37
110	LETU(1)=0
120	LETU(2)=0
130	LETU(3)=0
140	LETU(4)=0
150	LETU(5)=0
160	LETU(6)=0
170	FORJ=6TO1STEP-1
171	IFU(J)=1THEN173
172	NEXTJ
173	LETQ=J
174	FORK=1TOQ
175	FORI=1TOP
176	READV(K,I)
177	NEXTI
178	NEXTK
179	FORI=1TOP
181	LETX1=V(1,I)
182	LETX2=V(2,I)
183	LETX3=V(3,I)
184	LETX4=V(4,I)
185	LETX5=V(5,I)
186	LETX6=V(6,I)
187	GOSUB210
191	LETV(1,I)=W1
192	LETV(2,I)=W2
193	LETV(3,I)=W3
194	LETV(4,I)=W4
195	LETV(5,I)=W5
196	LETV(6,I)=W6
197	NEXTI
200	LETL=1
201	READM
202	IFL<>1THEN205
203	LETN=Q
204	GOTO435
205	LETN=M
206	GOTO435
210	LETW1=X1
220	LETW2=X2
230	LETW3=X3
240	LETW4=X4
250	LETW5=X5
260	LETW6=X6
270	RETURN
435	IFP>NTHEN455
440	PRINT"*** THE NUMBER OF OBSERVATIONS MUST EQUAL OR EXCEED THE"
445	PRINT"    NUMBER OF VARIABLES."
450	GOTO5000
455	FORI=1TON
460	FORJ=1TOP
465	IFV(I,J)<>0THEN490
470	NEXTJ
475	LETI=I+1
480	PRINT"*** ALL OBSERVATIONS OF VARIABLE ";I;" ARE ZERO"
485	GOTO5000
490	NEXTI
495	FORI=0TON
500	LETF(I)=0
505	FORJ=0TON
510	LETS(I,J)=0
515	NEXTJ
520	NEXTI
525	FORK=1TOP
530	FORI=0TON
535	LETF(I)=F(I)+V(I,K)/P
540	FORJ=0TON
545	LETS(I,J)=S(I,J)+V(I,K)*V(J,K)
550	NEXTJ
555	NEXTI
560	NEXTK
565	FORI=0TON
570	FORJ=0TON
575	LETT(I,J)=S(I,J)-P*F(I)*F(J)
580	NEXTJ
585	NEXTI
590	FORJ=0TON
595	LETG(J)=SQR(T(J,J)/P)
600	NEXTJ
610	GOSUB1000
620	FORI=1TON
625	LETB(I)=0
630	FORJ=1TON
635	LETB(I)=B(I)+T(0,J)*T(I,J)
640	NEXTJ
645	NEXTI
650	LETA1=F(0)
655	LETW5=0
660	FORI=1TON
665	LETA1=A1-B(I)*F(I)
670	NEXTI
675	FORI=1TOP
680	LETV(7,I)=A1
685	FORJ=1TON
690	LETV(7,I)=V(7,I)+B(J)*V(J,I)
693	NEXTJ
695	LETV(8,I)=V(7,I)-V(0,I)
700	LETV(9,I)=100*V(8,I)/V(7,I)
705	LETW5=W5+V(8,I)^2
710	NEXTI
715	IF(P-N-1)<>0THEN745
720	LETW2=0
725	LETS2=0
730	LETW3=1
735	LETR2=1
740	GOTO795
745	LETW4=W5/(P-N-1)
750	LETW1=T(0,0)/(P-1)
755	IFW4>=W1THEN770
760	LETW4=W4
765	GOTO775
770	LETW4=W1
775	LETR2=1-W4/W1
780	LETW3=1-W5/T(0,0)
785	LETS2=SQR(W4)
790	LETW2=SQR(W5/P)
795	PRINT
800	PRINT
805	FORJ=1TON
810	LETH(J)=B(J)*(G(J)/G(0))
815	NEXTJ
820	PRINT"     M U L T I P L E   R E G R E S S I O N   A N A L Y S I S"
825	PRINT
830	PRINT
835	PRINT"VARIABLE","REGR COEFF","BETA COEFF","MEAN VALUE","STD DEV"
840	PRINT
845	PRINT" 0 (DEP VAR)",A1;"(= CONSTANT)",F(0),G(0)
850	PRINT
855	FORI=1TON
860	PRINTI,B(I),H(I),F(I),G(I)
863	NEXTI
865	PRINT
870	PRINT"   UNADJUSTED STD ERROR OF ESTIMATE =";W2
875	PRINT"      STD ERROR (ADJUSTED FOR D.F.) =";S2
880	PRINT
885	PRINT"  UNADJUSTED INDEX OF DETERMINATION =";W3
890	PRINT"          INDEX (ADJUSTED FOR D.F.) =";R2
895	PRINT
900	PRINT
905	PRINT"    (NOW TYPE '7' FOR ACTUAL VERSUS CALCULATED VALUES OF"
910	PRINT"     THE DEPENDENT VARIABLE, OR '3' TO STOP.)  WHICH ";
915	INPUTQ
920	IFQ<>7THEN5000
925	PRINT
930	PRINT
935	PRINT"Y-ACTUAL","Y-CALCULATED","DIFFERENCE","PCT. DIFF."
940	PRINT
945	FORI=1TOP
950	PRINTV(0,I),V(7,I),V(8,I),V(9,I)
955	NEXTI
960	GOTO5000
1000	FORK=1TON
1010	FORJ=1TON
1030	IFJ=KTHEN1050
1040	LETT(K,J)=T(K,J)/T(K,K)
1050	NEXTJ
1060	LETT(K,K)=1/T(K,K)
1070	FORI=1TON
1080	IFI=KTHEN1140
1090	FORJ=1TON
1100	IFJ=KTHEN1120
1110	LETT(I,J)=T(I,J)-T(I,K)*T(K,J)
1120	NEXTJ
1130	LETT(I,K)=-(T(I,K)*T(K,K))
1140	NEXTI
1150	NEXTK
1160	RETURN
2000	PRINT
2100	PRINT"LIST 'MULTEX*' FOR INSTRUCTIONS ON USING THIS PROGRAM"
4999	DATA 0
5000	END