UNIT 6 IS NOW ASSIGNED TO: ranwalk.out |_* Test file to create random walk |_* |_sample 1 400 |_*Generate white noise |_genr white1=nor(1) |_genr white2=nor(1) |_stat white1 white2 / pcor NAME N MEAN ST. DEV VARIANCE MINIMUM MAXIMUM WHITE1 400 -0.36535E-01 0.99372 0.98748 -2.6032 2.6803 WHITE2 400 -0.36035E-01 0.98630 0.97279 -2.5534 3.3344 CORRELATION MATRIX OF VARIABLES - 400 OBSERVATIONS WHITE1 1.0000 WHITE2 -0.86989E-01 1.0000 WHITE1 WHITE2 |_plot white1 white2 REQUIRED MEMORY IS PAR= 7 CURRENT PAR= 500 FOR MAXIMUM EFFICIENCY USE AT LEAST PAR= 13 400 OBSERVATIONS *=WHITE1 M=MULTIPLE POINT 3.0000 | 2.6842 | 2.3684 | * ** * 2.0526 | * * ** 1.7368 | **** **M * 1.4211 | * M MM * ** M 1.1053 | ** * MM M **** 0.78947 | * **MMMM**MMM * * 0.47368 | * *MMMMMMMM**M *M 0.15789 | * * M*M MM*MMMMM* *MM * -0.15789 | * MM**MMMMMMMMMM*M*M** * -0.47368 | * * *MMMMMM*MMMM*MM -0.78947 | *M*M***MM*M * * * -1.1053 | M **M*M*MMMMMMMMM M * -1.4211 | MM * M* M MMM M * -1.7368 | * MMM MMM* * -2.0526 | ** * * *** ** -2.3684 | * * ** ** -2.6842 | * * * -3.0000 | ________________________________________ -4.000 -2.000 0.000 2.000 4.000 WHITE2 |_ols white1 white2 REQUIRED MEMORY IS PAR= 19 CURRENT PAR= 500 OLS ESTIMATION 400 OBSERVATIONS DEPENDENT VARIABLE = WHITE1 ...NOTE..SAMPLE RANGE SET TO: 1, 400 R-SQUARE = 0.0076 R-SQUARE ADJUSTED = 0.0051 VARIANCE OF THE ESTIMATE-SIGMA**2 = 0.98247 STANDARD ERROR OF THE ESTIMATE-SIGMA = 0.99120 SUM OF SQUARED ERRORS-SSE= 391.02 MEAN OF DEPENDENT VARIABLE = -0.36535E-01 LOG OF THE LIKELIHOOD FUNCTION = -563.037 VARIABLE ESTIMATED STANDARD T-RATIO PARTIAL STANDARDIZED ELASTICITY NAME COEFFICIENT ERROR 398 DF P-VALUE CORR. COEFFICIENT AT MEANS WHITE2 -0.87643E-01 0.5031E-01 -1.742 0.082-0.087 -0.0870 -0.0864 CONSTANT -0.39693E-01 0.4959E-01 -0.8004 0.424-0.040 0.0000 1.0864 |_*Generate random walks |_genr walk1=white1 |_genr walk1=lag(walk1)+white1 ..NOTE.LAG VALUE IN UNDEFINED OBSERVATIONS SET TO ZERO |_genr walk2=white2 |_genr walk2=lag(walk2)+white2 ..NOTE.LAG VALUE IN UNDEFINED OBSERVATIONS SET TO ZERO |_sample 2 400 |_stat walk1 walk2 / pcor NAME N MEAN ST. DEV VARIANCE MINIMUM MAXIMUM WALK1 399 -2.3742 8.1761 66.848 -18.612 12.323 WALK2 399 -9.0381 6.1713 38.085 -20.806 2.5632 CORRELATION MATRIX OF VARIABLES - 399 OBSERVATIONS WALK1 1.0000 WALK2 0.71879 1.0000 WALK1 WALK2 |_plot walk1 walk2 REQUIRED MEMORY IS PAR= 13 CURRENT PAR= 500 FOR MAXIMUM EFFICIENCY USE AT LEAST PAR= 19 399 OBSERVATIONS *=WALK1 M=MULTIPLE POINT 20.000 | 17.895 | 15.789 | 13.684 | 11.579 | ** 9.4737 | *** M*MM *** 7.3684 | MMM MM*MMMMM*M M 5.2632 | MMMM * MM MMMM* 3.1579 | MMM * *M *M*M* 1.0526 | *MM MM* *** MMM -1.0526 | MM** M *M*M *MM MMM -3.1579 | **M M**MMMMMMMM* * -5.2632 | * *MM*MM* MMM*** -7.3684 | *M M**M***M -9.4737 | *M* ** MMMM ** -11.579 | M*M*M *MMM*M** -13.684 | *MMMMMMMM -15.789 | MMMMMMMM -17.895 | MM *M*** -20.000 | * ________________________________________ -22.500 -15.000 -7.500 0.000 7.500 WALK2 |_ols walk1 walk2 REQUIRED MEMORY IS PAR= 26 CURRENT PAR= 500 OLS ESTIMATION 399 OBSERVATIONS DEPENDENT VARIABLE = WALK1 ...NOTE..SAMPLE RANGE SET TO: 2, 400 R-SQUARE = 0.5167 R-SQUARE ADJUSTED = 0.5154 VARIANCE OF THE ESTIMATE-SIGMA**2 = 32.392 STANDARD ERROR OF THE ESTIMATE-SIGMA = 5.6914 SUM OF SQUARED ERRORS-SSE= 12860. MEAN OF DEPENDENT VARIABLE = -2.3742 LOG OF THE LIKELIHOOD FUNCTION = -1259.00 VARIABLE ESTIMATED STANDARD T-RATIO PARTIAL STANDARDIZED ELASTICITY NAME COEFFICIENT ERROR 397 DF P-VALUE CORR. COEFFICIENT AT MEANS WALK2 0.95229 0.4623E-01 20.60 0.000 0.719 0.7188 3.6252 CONSTANT 6.2327 0.5057 12.32 0.000 0.526 0.0000 -2.6252 DURBIN-WATSON = 0.0627 VON NEUMANN RATIO = 0.0629 RHO = 0.96920 RESIDUAL SUM = 0.50981E-12 RESIDUAL VARIANCE = 32.392 SUM OF ABSOLUTE ERRORS= 1858.5 R-SQUARE BETWEEN OBSERVED AND PREDICTED = 0.5167