10  COM X[103,22],M[19,19],U[19,19],Q[20],V[20],P[78]
30  COM M$[60],N$[72]
40  COM N,K,N8,K8,N9,K9,Q9,Q7,Q5,Q4,Q3,Q2,Q1
45  COM I3,I4,U9,X$[20]
50  REM:13JUN4
52  REM; > EXPL FOR COMMANDS WITH Q1>96. SEE IDAE21 AND IDAE22 FOR OTHERS
60  GOTO (Q2-96) OF 970,980,990,1000
70  GOTO (Q2-100) OF 1010,1020,1030,1040,1050,1060,1070,1080,1090,1100
80  GOTO (Q2-110) OF 1110,1120,1130,1140,1150,1160,1170
970  PRINT "APPEND A BLOCK OF ROWS TO DATA MATRIX"
972  PRINT "===  ="
974  GOTO 9900
980  PRINT "ZERO SCRATCH PAD."
982  PRINT "===  ="
984  GOTO 9998
990  PRINT "ZERO COLUMN IN SCRATCH PAD"
992  PRINT "===  ="
994  GOTO 9998
1000  PRINT "ZERO ROW IN SCRATCH PAD"
1002  PRINT "===  ="
1004  GOTO 9998
1010  PRINT "CREATE A CATEGORICAL VARIABLE TO PLACE IN DATA OR SCRATCH COLUMN"
1012  PRINT "         ===="
1014  GOTO 9900
1020  PRINT "SELECT ROWS TO BE DELETED FROM THE DATA MATRIX"
1022  PRINT "===    ="
1024  GOTO 9900
1030  PRINT "MOVE VALUES IN A DATA COLUMN TO A SCRATCH COLUMN OR VICE VERSA"
1032  PRINT "===="
1034  GOTO 9900
1040  PRINT "DELETE A VARIABLE (COLUMN) FROM THE DATA MATRIX"
1042  PRINT "===      ="
1044  GOTO 9900
1050  PRINT "START A DATA MATRIX OF ZEROES "
1052  PRINT "===="
1054  GOTO 9900
1060  PRINT "SCRATCH PAD COLUMNS SET ASIDE FROM DATA MATRIX"
1062  PRINT "=       ==="
1064  GOTO 9900
1070  PRINT "MULTIPLE PLOTS OF UP TO THREE SERIES"
1072  PRINT "=        ==  ="
1074  GOTO 9998
1080  PRINT "ENTER DATA FROM COMPUSTAT FILES"
1082  PRINT "                ===="
1084  GOTO 9998
1090  PRINT "DUMP PART OF IDA COMMON IN SCRATCH FILE"
1092  PRINT "===="
1094  GOTO 9998
1100  PRINT "SUBTRACT VECTOR FROM OTHER VECTOR"
1102  PRINT "===      ="
1104  PRINT "  COLUMN(K) = COLUMN(I) - COLUMN(J)"
1105  PRINT "  I,J,K USER SPECIFIED"
1106  GOTO 9998
1110  PRINT "PARTIAL AUTOCORRELATION FUNCTION ESTIMATE"
1112  PRINT "==          =           ="
1114  GOTO 9900
1120  PRINT "CREATE A DATA FILE"
1122  PRINT "==            =="
1124  GOTO 9900
1130  PRINT "CROSS CORRELATION FUNCTION ESTIMATE"
1132  PRINT "===="
1134  GOTO 9900
1140  PRINT "ENTER SELECTED DATA USING OBSERVATION #'S AND RANDOM ACCESS DATA"
1142  PRINT "=                         ==                  =             FILE"
1144  GOTO 9900
1150  PRINT "MISSING VALUES IN DATA MATRIX--PRINTOUT OF CURRENT STATUS AND"
1152  PRINT "====    OPTION TO CHANGE STATUS"
1154  GOTO 9998
1160  PRINT "ENTER SELECTED DATA USING OBSERVATION #'S AND SERIAL DATA FILE"
1162  PRINT "=                         ==                  ="
1164  GOTO 9998
1170  PRINT "BOX-JENKINS ESTIMATION OF ARIMA MODELS BY UNCONDITIONAL NON-"
1172  PRINT "=== =       LINEAR LEAST-SQUARES WITH BACK FORECASTING. ALSO"
1174  PRINT "            POINT FORECASTS TO FUTURE PERIODS."
1176  GOTO 9998
9900  PRINT "FURTHER DETAILED EXPLANATION AVAILABLE BY EXECUTING COMMAND TO BE"
9902  PRINT "EXPLAINED AT FIRST PROMPT LEVEL."
9998  CHAIN "$IDA",150
9999  END 
