Listing of file='STATS.BAS;01' on disk='vmedia/execugraph_instructions-sector.ccvf'
14900 PLOT 6,2,12,15,29,3,9,13:PRINT "PLEASE NOTE THAT THE DEMO GRAPHS HAVE BEEN REMOVED" 14910 PLOT 3,23,17:PRINT "BECAUSE OF LACK OF SPACE." 14920 PLOT 3,18,27:PRINT "PRESS RETURN TO CONTINUE" 14930 PLOT 3,46,27:INPUT "";T$ 15000 PLOT 6,2,12,15,29,3,13,3:PRINT "STATISTICAL MANUPULATOR COMMANDS :-" 15010 PLOT 15,3,7,6:PRINT "1) SMOOTH";SPC( 23);"8) DIFFERENTIATE" 15020 PLOT 3,7,7:PRINT "2) MOVING";SPC( 23);"9) SUMMATION" 15030 PLOT 3,7,8:PRINT "3) TREND";SPC( 23);"10) LEAD" 15040 PLOT 3,7,9:PRINT "4) ARITHMETIC";SPC( 18);"11) LAG" 15050 PLOT 3,7,10:PRINT "5) CONSTANT";SPC( 20);"12) PERIOD" 15060 PLOT 3,7,11:PRINT "6) BASELINE";SPC( 20);"13) LOG" 15070 PLOT 3,7,12:PRINT "7) INFLATION"SPC( 19);"14) EXPONENTIAL" 15090 PLOT 3,5,18:PRINT "THE VARIOUS COMMANDS TAKE RAW DATA FROM THE 0 FILE," 15100 PLOT 3,5,19:PRINT "PERFORMS SOME SORT OF MATHAMATICAL COMPUTATION AND" 15110 PLOT 3,5,20:PRINT "RETURNS THE RESULTS TO THE 0 FILE. SOME COMMANDS" 15120 PLOT 3,5,21:PRINT "ALSO PROCEED TO GRAPH THE RESULTS IN THE FORM OF A" 15130 PLOT 3,5,22:PRINT "LINE GRAPH. OTHER TYPES OF GRAPHS CAN BE PRODUCED," 15140 PLOT 3,5,23:PRINT "HOWEVER, WITH A LITTLE MORE DIFFICULTY." 15150 PLOT 3,17,27:PRINT "PRESS RETURN TO CONTINUE" 15160 PLOT 3,44,27:INPUT "";T$ 15200 PLOT 6,2,12,15,29,3,18,3:PRINT "SMOOTH COMMAND :-" 15210 PLOT 15,3,5,6:PRINT "THIS IS ONE OF THE MANIPULATOR COMMANDS THAT CAN" 15220 PLOT 3,5,7:PRINT "SMOOTH OUT DATA THAT IS ERATIC AND DIFFICULT TO SEE" 15230 PLOT 3,5,8:PRINT "ANY TRENDS. A NUMBER BETWEEN 0.01 AND 1.0 MUST FOLLOW" 15240 PLOT 3,5,9:PRINT "THE COMMAND. THE NUMBER, CALLED THE SMOOTHING COEFFICENT" 15250 PLOT 3,5,10:PRINT "CAUSES EXPONENTIAL SMOOTHING OF THE DATA, GIVING MORE" 15260 PLOT 3,5,11:PRINT "WEIGHT TO THE MOST RECENT DATA. THE LOWER THE NUMBER" 15270 PLOT 3,5,12:PRINT "THE MORE THE SMOOTHING." 15280 PLOT 3,5,15:PRINT "IF YOU WANT THE SMOOTHED DATA TO APPEAR AS A DIFFERENT" 15290 PLOT 3,5,16:PRINT "GRAPH TO A LINE GRAPH THEN YOU WILL NEED TO FIRST CREATE" 15300 PLOT 3,5,17:PRINT "A LINE GRAPH, CLEAR THE SCREEN, THEN REGRAPH TO THE" 15310 PLOT 3,5,18:PRINT "FORMAT REQUIRED. THIS IS ACHIEVED AS WE ARE ACCESSING" 15320 PLOT 3,5,19:PRINT "THE 0 FILE WHICH WOULD NOW HOLD THE DATA CREATING THE" 15330 PLOT 3,5,20:PRINT "SMOOTHED LINE GRAPH. WE HAVE ENTERED THE FOLLOWING" 15340 PLOT 3,5,21:PRINT "COMMANDS TO GENERATE A SMOOTHED LINE GRAPH." 15350 PLOT 3,18,23:PRINT "SCA TOTSAL" 15360 PLOT 3,18,24:PRINT "COL (PRESS RED KEY)" 15370 PLOT 3,18,25:PRINT "SMOOTH 0.2" 15380 PLOT 3,16,29:PRINT "PRESS RETURN TO CONTINUE" 15390 PLOT 3,43,29:INPUT "";T$ 15450 PLOT 12:GOTO 15800 15455 PLOT 3,15,15:PRINT "LOADING EXAMPLE GRAPH" 15460 A$= "SMO1" 15470 PLOT 27,4 15480 PRINT "LDSCR "+ A$+ ".DSP 7000" 15490 PLOT 27,27 15500 PLOT 3,18,30:PRINT "PRESS RETURN TO CONTINUE" 15510 PLOT 3,47,30:INPUT "";T$ 15560 PLOT 12 15565 PLOT 3,15,15:PRINT "LOADING EXAMPLE GRAPH" 15570 B$= "SMO2" 15580 PLOT 27,4 15590 PRINT "LDSCR "+ B$+ ".DSP 7000" 15600 PLOT 27,27 15610 PLOT 3,10,4:PRINT "WE HAVE ADDED THE COMMANDS" 15620 PLOT 3,10,5:PRINT "CLEAR, 2BAR 0 AND 2BAR TOTSAL" 15630 PLOT 3,10,6:PRINT "TO COMPARE THE ORIGINAL DATA WITH" 15640 PLOT 3,10,7:PRINT "SMOOTHED DATA IN BAR GRAPH FORMAT" 15700 PLOT 3,18,30:PRINT "PRESS RETURN TO CONTINUE" 15710 PLOT 3,47,30:INPUT "";T$ 15800 PLOT 6,2,12,15,29,3,15,2:PRINT "MOVING AVERAGE COMMAND :-" 15810 PLOT 3,5,5:PRINT "MOVING AVERAGES ARE AMONG THE MORE POPULAR ALGORITHMS." 15820 PLOT 3,5,6:PRINT "THEY ARE USEFUL IN ANALYZING SALES TRENDS, ETC., IN" 15830 PLOT 3,5,7:PRINT "BOTH THE SHORT AND LONG TERM. THIS COMMAND REQUIRES" 15840 PLOT 3,5,8:PRINT "A NUMBER BETWEEN 1.0 AND THE TOTAL NUMBER OF DATA POINTS" 15850 PLOT 3,5,9:PRINT "HELD IN THE 0 FILE. FOR EXAMPLE, IF WE WISHED TO PRODUCE" 15860 PLOT 3,5,10:PRINT "A GRAPH WHICH AVERAGED THE RESULTS OF FOUR DATA POINTS" 15870 PLOT 3,5,11:PRINT "WE WOULD ENTER MOV 4." 15880 PLOT 3,5,13:PRINT "MOVING AVERAGES GENERALLY TAKE THE AVERAGE OF THE MONTHS" 15890 PLOT 3,5,14:PRINT "PRIOR TO THE CURRENT MONTHS. THUS THE FOUR MONTH MOVING" 15900 PLOT 3,5,15:PRINT "AVERAGE FOR JUNE 1980 WOULD BE THE SUM OF THE DATA FOR" 15910 PLOT 3,5,16:PRINT "MARCH, APRIL, MAY AND JUNE DIVIDED BY FOUR." 15920 PLOT 3,5,18:PRINT "THIS GRAPH IS PRODUCED BY ENTERING" 15930 PLOT 3,20,20:PRINT "SCA TOTSAL" 15940 PLOT 3,20,21:PRINT "COL (PRESS RED KEY)" 15950 PLOT 3,20,22:PRINT "MOV 4" 15960 PLOT 3,14,27:PRINT "PRESS RETURN TO CONTINUE" 15970 PLOT 3,40,27:INPUT "";T$ 15980 PLOT 12:GOTO 16150 15990 C$= "MOV1" 15995 PLOT 3,15,15:PRINT "LOADING EXAMPLE GRAPH" 16000 PLOT 27,4 16010 PRINT "LDSCR "+ C$+ ".DSP 7000" 16020 PLOT 27,27 16100 PLOT 3,18,30:PRINT "PRESS RETURN TO CONTINUE" 16110 PLOT 3,47,30:INPUT "";T$ 16150 PLOT 6,2,12,15,29,3,17,2:PRINT "TREND COMMAND :-" 16160 PLOT 3,3,4:PRINT "THE TREND COMMAND CALCULATES THE BEST FITTING STRAIGHT" 16170 PLOT 3,3,5:PRINT "LINE APPROXIMATION FOR THE DATA IN THE 0 FILE. IT IS" 16180 PLOT 3,3,6:PRINT "USEFUL TO SEE DIFFERENCES BETWEEN LONG AND SHORT TERM" 16190 PLOT 3,3,7:PRINT "TRENDS AS WELL AS COMPARING RESULTS TO SMOOTHED DATA." 16200 PLOT 3,3,8:PRINT "FOR EXAMPLE, IF THE SMOOTHED DATA STARTS FALLING" 16210 PLOT 3,3,9:PRINT "CONSISTENTLY BELOW THE LONG TERM TREND LINE THEN," 16220 PLOT 3,3,10:PRINT "CERTAINLY THE SHORT TERM TREND IS HEADING DOWN WITH" 16230 PLOT 3,3,11:PRINT "RESPECT TO THE LONG TERM TREND." 16240 PLOT 3,3,13:PRINT "THE TREND COMMAND MAY BE FOLLOWED BY A SPACE THEN A DATE." 16250 PLOT 3,3,14:PRINT "THIS WILL CAUSE THE TREND LINE TO COMMENCE AT THE DATE" 16260 PLOT 3,3,15:PRINT "SPECIFIED. TWO SUB COMMANDS ARE ATTACHED TO THE TREND" 16270 PLOT 3,3,16:PRINT "COMMAND. THESE ARE LTREND AND ETREND, REPRESENTING A" 16280 PLOT 3,3,17:PRINT "TREND MATCHING A LOGARITHMIC CURVE AND AN EXPONENTIAL" 16290 PLOT 3,3,18:PRINT "CURVE RESPECTIVELY. THESE ARE HELPFUL IF DATA STARTS OFF" 16300 PLOT 3,3,19:PRINT "STEEPLY AND THEN LEVELS OFF, OR FOR DATA THAT GROWS AT AN" 16310 PLOT 3,3,20:PRINT "EVER-INCREASING RATE." 16320 PLOT 3,3,22:PRINT "THE GRAPH FOLLOWING HAS BEEN CREATED WITH THE FOLLOWING" 16330 PLOT 3,3,23:PRINT "COMMANDS." 16340 PLOT 3,6,26:PRINT "SCA TOTSAL, SAVE 1, TREND, TITLE TOTAL TREND LINE," 16350 PLOT 3,6,27:PRINT "LOAD 1, COL (RED), TREND 8/81, TITLE 12 MONTH TREND LINE" 16360 PLOT 3,13,30:PRINT "PRESS RETURN TO CONTINUE" 16370 PLOT 3,40,30:INPUT "";T$ 16380 PLOT 12:GOTO 16500 16385 PLOT 3,15,15:PRINT "LOADING EXAMPLE GRAPH" 16390 D$= "TRE1" 16400 PLOT 27,4 16410 PRINT "LDSCR "+ D$+ ".DSP 7000" 16420 PLOT 27,27 16430 PLOT 3,10,4:PRINT "NOTE HOW SHORT TERM TREND IS" 16440 PLOT 3,10,5:PRINT "DOWNWARDS COMPARED TO LONG TERM" 16450 PLOT 3,20,31:INPUT "PRESS RETURN TO CONTINUE ";T$ 16500 PLOT 6,2,12,15,29,3,16,2:PRINT "ARITHMETIC COMMANDS :-" 16510 PLOT 3,7,4:PRINT "THIS IS ONE OF THE MORE POWERFUL COMMANDS OF THE" 16520 PLOT 3,7,5:PRINT "OF THE PACKAGE AS IT ALLOWS ARITHMETIC OPERATIONS" 16530 PLOT 3,7,6:PRINT "ON TWO OR MORE DATA FILES. THE COMMAND MUST BE" 16540 PLOT 3,7,7:PRINT "FOLLOWED BY A SPACE THEN ONE OF THE FOLLOWING" 16550 PLOT 3,7,8:PRINT "ARITHMETIC OPERATIONS:- + (ADDITION), - (SUBTRACTIO)," 16560 PLOT 3,7,9:PRINT "* (MULTIPLICATION) AND / (DIVISION), THEN IMMEDIATELY" 16570 PLOT 3,7,10:PRINT "FOLLOWED BY THE NAME OF THE FILE WHICH IS TO BE" 16580 PLOT 3,7,11:PRINT "COMPUTED WITH THE 0 FILE. E.G. ARI +CARSAL." 16590 PLOT 3,7,13:PRINT "WE HAVE CREATED ANOTHER FILE TITLED COMPETITOR CAR" 16600 PLOT 3,7,14:PRINT "SALES (COMSAL) REPRESENTING A FIRM WHICH WE ARE" 16610 PLOT 3,7,15:PRINT "CONSIDERING TO TAKE OVER. IF WE WISHED TO SEE WHAT" 16620 PLOT 3,7,16:PRINT "OUR TOTAL MARKET CAPTURE WOULD BE INCLUDING THE" 16630 PLOT 3,7,17:PRINT "COMPETITORS SALES WE COULD TYPE IN THE FOLLOWING" 16640 PLOT 3,7,18:PRINT "COMMANDS:" 16650 PLOT 3,8,20:PRINT "LOAD COMSAL, ARI +CARSAL, BAR 0 WE COULD ADD THE" 16660 PLOT 3,8,21:PRINT "COMMANDS LIN TOTSAL TO SEE THE TOTAL MARKET, THEN" 16670 PLOT 3,8,22:PRINT "COL (BLACK), BAR CARSAL TO GIVE AN INTERESTING" 16680 PLOT 3,8,23:PRINT "EFFECT. THE BLANK BASE OF THE GRAPH WOULD REPRESENT" 16690 PLOT 3,8,24:PRINT "OUR CAR SALES." 16700 PLOT 3,20,29:PRINT "PRESS RETURN TO CONTINUE" 16710 PLOT 3,47,29:INPUT "";T$ 16720 PLOT 12:GOTO 16765 16725 PLOT 3,15,15:PRINT "LOADING EXAMPLE GRAPH" 16730 E$= "ARI1" 16740 PLOT 27,4 16750 PRINT "LDSCR "+ E$+ ".DSP 7000" 16760 PLOT 27,27 16765 PLOT 3,10,2:PRINT "COMMANDS USED ARE:-" 16770 PLOT 3,10,3:PRINT "LOAD COMSAL" 16780 PLOT 3,10,4:PRINT "ARI +CARSAL" 16790 PLOT 3,10,5:PRINT "BAR 0" 16800 PLOT 3,10,6:PRINT "LIN TOTSAL" 16810 PLOT 3,10,7:PRINT "COL (BLACK)" 16820 PLOT 3,10,8:PRINT "BAR CARSAL" 16825 PLOT 3,20,20:PRINT "THIS BLANK AREA REPRESENTS OUR CAR SALES" 16830 PLOT 3,20,31:INPUT "PRESS RETURN TO CONTINUE ";T$ 16850 PLOT 6,2,12,15,29,3,16,2:PRINT "ARITHMETIC COMMAND (CONTINUED)" 16860 PLOT 3,2,5:PRINT "SOMETIMES DATA EXHIBITS SHORT TERM UP AND DOWN FLUCTUATIONS" 16870 PLOT 3,2,6:PRINT "THAT ARE INDEPENDENT OF THE LONG TERM TREND. DETRENDING" 16880 PLOT 3,2,7:PRINT "REMOVES THE OVERALL LONG TERM TREND FROM THE DATA SO THAT" 16890 PLOT 3,2,8:PRINT "YOU SEE ONLY THE SHORT TERM FLUCTUATIONS. ONE METHOD OF" 16900 PLOT 3,2,9:PRINT "DETRENDING IS TO SMOOTH THE RAW DATA (E.G. BY USING A MOVING" 16910 PLOT 3,2,10:PRINT "AVERAGE) AND THEN TAKE THE LONG TERM TREND FROM THE MOVING" 16920 PLOT 3,2,11:PRINT "AVERAGE." 16930 PLOT 3,2,13:PRINT "THE GRAPH THAT FOLLOWS IS SOMETHING WE HAVE NOT SEEN BEFORE" 16940 PLOT 3,2,14:PRINT "AS IT HAS NEGATIVE AS WELL AS POSITIVE VALUES. IT HIGHLIGHTS" 16950 PLOT 3,2,15:PRINT "VERY QUICKLY THE SHORT TERM MOVEMENTS IN OUR CAR SALES. TO" 16960 PLOT 3,2,16:PRINT "ACHIEVE THE GRAPH, THE FOLLOWING COMMANDS ARE REQUIRED." 16970 PLOT 3,20,19:PRINT "LOAD CARSAL" 16980 PLOT 3,20,20:PRINT "MOV 3" 16990 PLOT 3,20,21:PRINT "SAVE 1" 17000 PLOT 3,20,22:PRINT "TREND" 17010 PLOT 3,20,23:PRINT "ARI -1" 17020 PLOT 3,20,24:PRINT "NEW" 17030 PLOT 3,20,25:PRINT "BAR 0" 17040 PLOT 3,16,29:INPUT "PRESS RETURN TO CONTINUE ";T$ 17050 PLOT 12:GOTO 17200 17055 PLOT 3,15,15:PRINT "LOADING EXAMPLE GRAPH" 17060 F$= "ARI2" 17070 PLOT 27,4 17080 PRINT "LDSCR "+ F$+ ".DSP 7000" 17090 PLOT 27,27 17100 PLOT 3,20,30:INPUT "PRESS RETURN TO CONTINUE ";T$ 17200 PLOT 6,2,12,15,29,3,18,3:PRINT "CONSTANT COMMAND :-" 17210 PLOT 3,2,6:PRINT "THIS COMMAND ALLOWS YOU TO SUBTRACT, MULTIPLY, ADD OR DIVIDE" 17220 PLOT 3,2,7:PRINT "A FILE BY A CONTSTANT NUMBER STARTING AT ANY DATE ALONG THE" 17230 PLOT 3,2,8:PRINT "FILE. THE COMMAND MUST BE FOLLOWED BY A SPACE, THEN ONE OF" 17240 PLOT 3,2,9:PRINT "THE FOUR ARITHMETIC SYMBOLS, A NUMBER, A COMMA THEN THE" 17250 PLOT 3,2,10:PRINT "STARTING DATE. EG CON *1.2,1/81 WILL INCREASE ALL NUMBERS" 17260 PLOT 3,2,11:PRINT "FROM 1/81 ONWARDS BY 20%." 17270 PLOT 3,2,14:PRINT "THIS COMMAND IS HANDY WHEN GENERATING GRAPHS WHERE SOME OF" 17280 PLOT 3,2,15:PRINT "THE DATA IS NEGATIVE, BECAUSE LOGARITHMS OF ZERO OR NEGATIVE" 17290 PLOT 3,2,16:PRINT "NUMBERS ARE SET TO ZERO. TO OVERCOME THIS PROBLEM, THE" 17300 PLOT 3,2,17:PRINT "CONSTANT COMMAND CAN BE USED TO INCREASE ALL DATA TO POSITIVE" 17310 PLOT 3,2,18:PRINT "VALUES, THEN THE PARTICULAR ARITHEMTIC FUNCTION CAN BE" 17320 PLOT 3,2,19:PRINT "PERFORMED AND FINALLY BEFORE GRAPHING THE RESULTING DATA CAN" 17330 PLOT 3,2,20:PRINT "BE REDUCED BY THE CONSTANT TO ITS TRUE VALUES." 17340 PLOT 3,17,27:PRINT "PRESS RETURN TO CONTINUE" 17350 PLOT 3,45,27:INPUT "";T$ 17400 PLOT 6,2,12,15,29,3,16,1:PRINT "BASELINE COMMAND :-" 17410 PLOT 3,0,3:PRINT "THE BASELINE COMMAND IS USED TO CREATE HORIZONTAL REFERENCE" 17420 PLOT 3,0,4:PRINT "LINES. TO CREATE A SIMPLE HORIZONTAL LINE AT ANY POINT ON THE" 17430 PLOT 3,0,5:PRINT "GRAPH, TWO METHODS CAN BE USED. FIRSTLY, BY ENTERING A NUMBER" 17440 PLOT 3,0,6:PRINT "AFTER THE COMMAND. EG BASE 25 WILL CAUSE A LINE TO APPEAR AT" 17450 PLOT 3,0,7:PRINT "VALUE 25 ON THE NEXT GRAPH. SECONDLY, BY ENTERING A DATE THAT" 17460 PLOT 3,0,8:PRINT "EXISTS IN THE FILE. USING THE DATE CAUSES THE LINE TO APPEAR" 17470 PLOT 3,0,9:PRINT "AT AN EQUIVALENT VALUE AT THE DATES SPECIFIED. EG BASE 4/80" 17480 PLOT 3,0,10:PRINT "WOULD GENERATE THE LINE AT VALUE 15, IF THE DEMONSTRATION FILE" 17490 PLOT 3,0,11:PRINT "CARSAL WAS BEING USED. THE PURPOSE OF THE BASELINE COMMAND IS" 17500 PLOT 3,0,12:PRINT "TO PROVIDE A CONSTANT NUMBER SERIES FROM WHICH OTHER FUNCTIONS" 17510 PLOT 3,0,13:PRINT "CAN BE CREATED." 17520 PLOT 3,0,15:PRINT "A STEPPED LINE CAN BE GENERATED WITH THE AID OF THE CONSTANT" 17530 PLOT 3,0,16:PRINT "COMMAND. A REASON FOR COMBINING THE TWO COMMANDS COULD BE IF" 17540 PLOT 3,0,17:PRINT "WE WISHED TO DETERMINE THE TOTAL ESTIMATED MONTHLY DOLLAR SALES" 17550 PLOT 3,0,18:PRINT "OF OUR CAR SALES, ASSUMING WE INCREASE THE PRICE BY 10% EACH SIX" 17560 PLOT 3,0,19:PRINT "MONTHS. I.E. AT 7/80, 1/81, 7/81 AND 1/82 WITH A COMMENCING" 17570 PLOT 3,0,20:PRINT "SELLING PRICE OF $10,000. THE PURPLE COMMANDS WOULD BE USED TO" 17580 PLOT 3,0,21:PRINT "GENERATE THE STEPPED BASELINE AS PER THE NEXT DISPLAY. THE" 17590 PLOT 3,0,22:PRINT "ADDITIONAL RED COMMANDS WILL GIVE US THE GRAPH REQUIRED." 17600 PLOT 3,2,24:PRINT "LOAD CARSAL";SPC( 11);"ARI *CARSAL" 17610 PLOT 3,2,25:PRINT "BASE 10000";SPC( 12);"NEW" 17620 PLOT 3,2,26:PRINT "CON *1.1,7/80";SPC( 9);"LINE 0" 17630 PLOT 3,2,27:PRINT "CON *1.1,1/81";SPC( 9);"TITLE ESTIMATED MONTHLY SALES" 17640 PLOT 3,2,28:PRINT "CON *1.1,7/81";SPC( 9);"UNIT TITLE $MILLIONS" 17650 PLOT 3,2,29:PRINT "CON *1.1,1/82" 17660 PLOT 3,2,30:PRINT "NEW" 17670 PLOT 3,2,31:PRINT "LINE 0";SPC( 18):INPUT "PRESS RETURN TO CONTINUE ";T$ 17680 PLOT 12:GOTO 17850 17685 PLOT 3,15,15:PRINT "LOADING EXAMPLE GRAPH" 17690 G$= "BAS1" 17700 PLOT 27,4 17710 PRINT "LDSCR "+ G$+ ".DSP 7000" 17720 PLOT 27,27 17730 PLOT 3,18,30:INPUT "PRESS RETURN TO CONTINUE ";T$ 17800 PLOT 12 17805 PLOT 3,15,15:PRINT "LOADING EXAMPLE GRAPH" 17810 H$= "BAS2" 17820 PLOT 27,4 17830 PRINT "LDSCR "+ H$+ ".DSP 7000" 17840 PLOT 27,27 17850 PLOT 3,10,2:PRINT "THE WHITE LINE WAS NOT GENERATED BY THE" 17860 PLOT 3,10,3:PRINT "COMMANDS SHOWN, BUT WE HAVE INCLUDED IT" 17870 PLOT 3,10,4:PRINT "TO INDICATED WHAT THE SALES WOULD BE LIKE" 17880 PLOT 3,10,5:PRINT "IF NO INCREASE IN SELLING PRICES IS TO BE MADE." 17890 PLOT 3,18,30:INPUT "PRESS RETURN TO CONTINUE ";T$ 17900 PLOT 6,2,12,15,29,3,17,2:PRINT "INFLATION COMMAND :-" 17910 PLOT 3,3,5:PRINT "THIS COMMAND COMPUTES THE MONTHLY OR THE QUARTELY INFLATION" 17920 PLOT 3,3,6:PRINT "RATE THAT WILL, WHEN COMPOUNDED, PRODUCE AN ANNUAL INFLATION" 17930 PLOT 3,3,7:PRINT "RATE AS SPECIFIED IN THE ARGUMENT TO THE COMMAND. THE DATE" 17940 PLOT 3,3,8:PRINT "ENTERED IN THE USUAL FORMAT SPECIFIES THE FIRST PERIOD IN" 17950 PLOT 3,3,9:PRINT "WHICH THE INFLATION FACTOR STARTS. INFLATION CAN BE POSITIVE" 17960 PLOT 3,3,10:PRINT "OR NEGATIVE." 17970 PLOT 3,3,12:PRINT "WE WILL TAKE THE GRAPH PREVIOUSLY DISPLAYED WITH THE BASELINE" 17980 PLOT 3,3,13:PRINT "COMMAND AND FIND OUT WHAT OUR MINIMUM SALES NEED TO BE TO" 17990 PLOT 3,3,14:PRINT "HAVE REAL GROWTH ASSUMING A 12% INFLATION." 18000 PLOT 3,3,16:PRINT "THE ADDITIONAL COMMANDS WE NEED TO USE (EXCLUDING THE TITLE" 18010 PLOT 3,3,17:PRINT "CHANGE COMMANDS) ARE:" 18020 PLOT 3,10,19:PRINT "SAV 1" 18030 PLOT 3,10,20:PRINT "LOAD CARSAL" 18040 PLOT 3,10,21:PRINT "BASE 10000" 18050 PLOT 3,10,22:PRINT "ARI *CARSAL" 18060 PLOT 3,10,23:PRINT "INF 12,1/80" 18070 PLOT 3,10,24:PRINT "SAV 2" 18080 PLOT 3,10,25:PRINT "NEW" 18090 PLOT 3,10,26:PRINT "2BAR 1" 18100 PLOT 3,10,27:PRINT "COL (RED KEY)" 18110 PLOT 3,10,28:PRINT "2BAR 2" 18120 PLOT 3,15,31:INPUT "PRESS RETURN TO CONTINUE ";T$ 18140 PLOT 12:GOTO 18250 18150 PLOT 3,15,15:PRINT "LOADING EXAMPLE GRAPH" 18160 I$= "INF1" 18170 PLOT 27,4 18180 PRINT "LDSCR "+ I$+ ".DSP 7000" 18190 PLOT 27,27 18200 PLOT 3,18,30:INPUT "PRESS RETURN TO CONTINUE ";T$ 18250 PLOT 6,2,12,15,29,3,14,2:PRINT "DIFFERENTIATION COMMAND :-" 18260 PLOT 3,5,5:PRINT "THIS COMMAND ALLOWS US TO SEE THE DIFFERENCE BETWEEN" 18270 PLOT 3,5,6:PRINT "EACH DATA POINT. THIS IS CALLED THE RATE OF CHANGE." 18280 PLOT 3,5,7:PRINT "FOR EXAMPLE, IN OUR FILE TOTSAL SIX OF THE DATA POINTS" 18290 PLOT 3,5,8:PRINT "ARE 30,28,27,26,28,29. THE DIFFERENTIATED DATA WOULD" 18300 PLOT 3,5,9:PRINT "BE -2,-1,-1,+2,+1. IN GRAPH FORMAT IT INDICATES" 18310 PLOT 3,5,10:PRINT "WHETHER THE RATE OF GROWTH OR DECLINE IS SPEEDING UP" 18320 PLOT 3,5,11:PRINT "OR SLOWING DOWN." 18330 PLOT 3,5,13:PRINT "BY ADDING A % SIGN IN FRONT OF THE COMMAND, A GRAPH" 18340 PLOT 3,5,14:PRINT "DISPLAYING THE % RATE OF CHANGE ON A MONTH TO MONTH" 18350 PLOT 3,5,15:PRINT "BASIS CAN BE GENERATED." 18360 PLOT 3,5,17:PRINT "A SIMPLE EXAMPLE TO DEMONSTRATE BOTH COMMANDS ON THE" 18370 PLOT 3,5,18:PRINT "ONE GRAPH USES THE FOLLOWING COMMANDS." 18380 PLOT 3,14,20:PRINT "LOAD TOTSAL" 18390 PLOT 3,14,21:PRINT "DIF" 18400 PLOT 3,14,22:PRINT "LIN 0" 18410 PLOT 3,14,23:PRINT "LOAD TOTSAL" 18420 PLOT 3,14,24:PRINT "%DIF" 18430 PLOT 3,14,25:PRINT "LIN 0" 18440 PLOT 3,16,28:PRINT "PRESS RETURN TO CONTINUE" 18450 PLOT 3,43,28:INPUT "";T$ 18460 PLOT 12:GOTO 18600 18470 PLOT 3,15,15:PRINT " LOADING EXAMPLE GRAPH" 18480 J$= "DIF1" 18490 PLOT 27,4 18500 PRINT "LDSCR "+ J$+ ".DSP 7000" 18510 PLOT 27,27 18520 PLOT 3,18,30:INPUT "PRESS RETURN TO CONTINUE ";T$ 18600 PLOT 6,2,12,15,29,3,15,2:PRINT "LEAD AND LAG COMMAND :-" 18610 PLOT 3,0,4:PRINT "THE LEAD AND LAG COMMANDS CAN BE USED TO SHIFT THE STARTING" 18620 PLOT 3,0,5:PRINT "DATE OF A FILE FORWARD OR BACKWARD IN TIME. THE LEAD COMMAND" 18630 PLOT 3,0,6:PRINT "CAUSES THE STARTING DATE TO BE MOVED TO AN EARLIER TIME AND" 18640 PLOT 3,0,7:PRINT "VISA VERSA FOR THE LAG COMMAND." 18650 PLOT 3,0,9:PRINT "WITH THE COMMANDS IT IS POSSIBLE TO SEE THE RELATIONSHIP" 18660 PLOT 3,0,10:PRINT "BETWEEN TWO SEPERATE FILES. FOR EXAMPLE, IF WE HAD A FILE" 18670 PLOT 3,0,11:PRINT "WHICH SHOWED MONEY SPENT ON AN ADVERTISING CAMPAIGN TO SELL" 18680 PLOT 3,0,12:PRINT "OUR CARS, WE MAY WISH TO KNOW WHAT EFFECT THE CAMPAIGN HAD" 18690 PLOT 3,0,13:PRINT "ON OUR SALES. AS THERE MAY BE SEVERAL MONTHS BEFORE THE SALES" 18700 PLOT 3,0,14:PRINT "FOLLOW THE PATTERNS OF THE ADVERTISING CAMPAIGN, BY USING THE" 18710 PLOT 3,0,15:PRINT "LAG COMMAND WE COULD SHIFT THE ADVERTISING DATA SO THAT IT" 18720 PLOT 3,0,16:PRINT "CO-INSIDES WITH THE SALES DATA, AND THEN COMPARE THE TWO GRAPHS." 18730 PLOT 3,0,18:PRINT "A NUMBER REPRESENTING THE PERIODS THAT YOU WISH TO SHIFT A" 18740 PLOT 3,0,19:PRINT "GRAPH IS REQUIRED AFTER THE COMMANDS. E.G. LAG 4 REGRESSES A" 18750 PLOT 3,0,20:PRINT "GRAPH BY 4 PERIODS." 18760 PLOT 3,0,22:PRINT "THE FOLLOWING GRAPH SHOWS THE EFFECT OF THE LAG AND LEAD" 18770 PLOT 3,0,23:PRINT "COMMANDS." 18780 PLOT 3,16,28:PRINT "PRESS RETURN TO CONTINUE" 18790 PLOT 3,44,28:INPUT "";T$ 18800 PLOT 12:GOTO 18900 18810 PLOT 3,15,15:PRINT "LOADING EXAMPLE GRAPH" 18820 K$= "LEAD1" 18830 PLOT 27,4 18840 PRINT "LDSCR "+ K$+ ".DSP 7000" 18850 PLOT 27,27 18860 PLOT 3,18,30:INPUT "PRESS RETURN TO CONTINUE ";T$ 18900 PLOT 6,2,12,15,29,3,22,2:PRINT "PERIOD COMMAND :-" 18910 PLOT 3,3,5:PRINT "THIS COMMAND SIMPLY ALLOWS YOU TO CONVERT A GRAPH FROM" 18920 PLOT 3,3,6:PRINT "MONTHLY ANALYSIS TO QUARTERLY OR YEARLY ANALYSIS, AND" 18930 PLOT 3,3,7:PRINT "VISA VERSA. THE ONLY THING TO BEAR IN MIND IS THAT ON" 18940 PLOT 3,3,8:PRINT "CONVERTING FROM ANNUAL TO EITHER MONTHLY OR QUARTERLY" 18950 PLOT 3,3,9:PRINT "ANALYSIS IS THAT THE ANNUAL FIGURES WILL BE DIVIDED" 18960 PLOT 3,3,10:PRINT "EQUALLY INTO 12 OR 4 PERIODS. THE COMMAND REQUIRES" 18970 PLOT 3,3,11:PRINT "EITHER M, Q OR Y TO THE FOLLOW THE COMMAND." 18980 PLOT 3,3,12:PRINT "E.G. PERIOD M." 18990 PLOT 3,20,15:PRINT "SUMMATION COMMAND :-" 19000 PLOT 3,3,18:PRINT "THIS COMMAND ACCUMULATES EACH PERIOD WITH THE PREVIOUS" 19010 PLOT 3,3,19:PRINT "PERIOD SO THAT THE LAST PERIOD REPRESENTS THE CUMULATIVE" 19020 PLOT 3,3,20:PRINT "TOTAL OF ALL PERIODS ON THE GRAPH. THIS COMMAND CAN BE" 19030 PLOT 3,3,21:PRINT "USED WITH DATA THAT HAS BOTH POSITIVE OR NEGATIVE VALUES." 19040 PLOT 3,3,22:PRINT "A CUMULATIVE VALUE WOULD INDICATE A NET PLUS OR MINUS IN" 19050 PLOT 3,3,23:PRINT "VALUES OVER THE PERIOD OF THE GRAPH. WHEN YOU USE THE" 19060 PLOT 3,3,24:PRINT "COMMAND YOU HAVE TO SPECIFY THE DATE FROM WHICH THE" 19070 PLOT 3,3,25:PRINT "SUMMATION TAKES PLACE. E.G. SUM 1/80" 19080 PLOT 3,3,27:PRINT "THE NEXT GRAPH WILL DISPLAY THE SUMMATION COMMAND." 19100 PLOT 3,21,30:PRINT "PRESS RETURN TO CONTINUE" 19110 PLOT 3,48,30:INPUT "";T$ 19120 PLOT 12:GOTO 19170 19130 PLOT 3,15,15:PRINT "LOADING EXAMPLE GRAPH" 19140 L$= "SUM1" 19145 PLOT 27,4 19150 PRINT "LDSCR "+ L$+ ".DSP 7000" 19160 PLOT 27,27 19170 PLOT 3,10,2:PRINT "COMMANDS USED" 19180 PLOT 3,10,3:PRINT "LOAD CARSAL" 19190 PLOT 3,10,4:PRINT "HOR 11" 19200 PLOT 3,10,5:PRINT "HIG 198" 19210 PLOT 3,10,6:PRINT "COL (RED)" 19220 PLOT 3,10,7:PRINT "BAR 0" 19230 PLOT 3,10,8:PRINT "SUM 1/80" 19240 PLOT 3,10,9:PRINT "COL (YELLOW)" 19250 PLOT 3,10,10:PRINT "LIN 0" 19260 PLOT 3,18,30:INPUT "PRESS RETURN TO CONTINUE ";T$ 19300 PLOT 6,2,12,15,29,3,12,2:PRINT "LOGARITHMIC AND EXPONENTIAL COMMANDS :-" 19310 PLOT 3,4,5:PRINT "THE LOGARITHMIC COMMAND CONVERTS THE DATA IN THE 0 FILE" 19320 PLOT 3,4,6:PRINT "TO BASE 10 LOGARITHM. AS A RESULT, THE SCALE OF THE" 19330 PLOT 3,4,7:PRINT "VERTICAL AXIS WILL THEN REPRESENT POWERS OF TWO." 19340 PLOT 3,4,8:PRINT "FOR EXAMPLE, 2 REPRESENTS 100 (10 TO THE POWER OF 2)" 19350 PLOT 3,4,9:PRINT "THE EXPONENTIAL COMMAND IS THE OPPOSITE COMMAND TO THE" 19360 PLOT 3,4,10:PRINT "LOGARITHM, AND CAN BE USED TO BRING A LOGARITHMIC FILE" 19370 PLOT 3,4,11:PRINT "BACK TO NORMAL SCALE." 19380 PLOT 3,4,15:PRINT "THIS NOW COVERS THE STATISTICAL MANIPULATOR COMMANDS." 19390 PLOT 3,4,17:PRINT "PRESSING RETURN KEY WILL RETURN YOU TO BASIC MODE." 19400 PLOT 3,4,19:PRINT "IF YOU WISH TO REVIEW THIS SECTION THEN TYPE R AND PRESS" 19410 PLOT 3,4,21:PRINT "RETURN KEY. TO EITHER REVIEW THE DATABASE PROGRAM OR THE" 19420 PLOT 3,4,23:PRINT "REMAINDER OF THE DISPLAY PROGRAM, AFTER PRESSING RETURN KEY," 19430 PLOT 3,4,25:PRINT "TURN DISK OVER TO SIDE ONE AND THEN PRESS AUTO KEY." 19440 PLOT 3,24,29:PRINT "YOUR CHOICE ?" 19450 PLOT 3,42,29:INPUT "";T$ 19460 IF T$= "R"GOTO 15000 19470 PLOT 12 19999 END