MODELE LINIARE SI NELINIARE

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REZULTATE:- STATISTICA DESCRIPTIVA- MODEL REGRASIE LINIARA- MODELE NELINIARE: *LOGARITMIC*EXPONENTIAL*HIPERBOLIC*POLINOMIAL DE ORDIN 2*POLINOMIAL DE ORDIN 3

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  • GERMANIA

    1. STATISTIC DESCRIPTIV

    PIB 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

    Trim.1 515,500.0 591,220.8 584,319.1 582,126.0 591,478.8 587,157.2 612,441.7 638,887.4 652,239.2 609,474.7 625,342.0 662,946.4 672,944.2 661,656.4 679,007.3

    Trim.2 523,900.0 596,703.4 597,606.4 589,737.2 599,218.9 606,765.6 621,278.5 642,434.9 662,236.9 610,248.7 639,016.4 662,752.9 664,752.5 669,461.1 676,040.2

    Trim.3 536,120.0 606,701.1 613,215.8 608,055.6 611,603.2 619,472.4 641,273.9 662,494.9 669,719.1 632,050.2 661,075.9 682,167.9 682,941.9 689,650.0 697,906.2

    Trim.4 540,960.0 604,185.6 603,605.0 601,670.0 607,217.1 613,151.3 641,209.4 654,496.7 642,370.4 627,083.6 654,690.2 666,494.0 664,817.0 672,621.6 683,393.4

    0

    100000

    200000

    300000

    400000

    500000

    600000

    700000

    800000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

    PIB

    TRIM 1

    TRIM 2

    TRIM 3

    TRIM 4

  • 1.1. INDICATORI STATISTIC DESCRIPTIV

    2000

    2001

    2002

    2003

    2004

    2005

    2006

    2007

    Mean 529120 Mean 599702.725 Mean 599686.58 Mean 595397.2 Mean 602379.5 Mean 606636.625 Mean 629050.9 Mean

    Standard Error 5787.474982 Standard

    Error 3535.68031

    Standard Error

    6047.5918 Standard

    Error 5829.118428

    Standard Error

    4446.849712 Standard

    Error 6992.035607

    Standard Error

    7265.825 Standard

    Error

    Median 530010 Median 600444.5 Median 600605.7 Median 595703.6 Median 603218 Median 609958.45 Median 631244 Median

    Mode #N/A Mode #N/A Mode #N/A Mode #N/A Mode #N/A Mode #N/A Mode #N/A Mode

    Standard Deviation

    11574.94996 Standard Deviation

    7071.36062 Standard Deviation

    12095.184 Standard Deviation

    11658.23686 Standard Deviation

    8893.699423 Standard Deviation

    13984.07121 Standard Deviation

    14531.65 Standard Deviation

    Sample Variance

    133979466.7 Sample

    Variance 50004141

    Sample Variance

    146293466 Sample

    Variance 135914486.6

    Sample Variance

    79097889.43 Sample

    Variance 195554247.7

    Sample Variance

    2.11E+08 Sample

    Variance

    Kurtosis -2.87682921 Kurtosis -2.7559703 Kurtosis 0.4442144 Kurtosis -2.805009556 Kurtosis -1.7761818 Kurtosis 1.57324884 Kurtosis -4.23641 Kurtosis

    Skewness -0.28630671 Skewness -0.3852736 Skewness -0.415053 Skewness -0.102477149 Skewness -0.40647695 Skewness -1.21896455 Skewness -0.31021 Skewness

    Range 25460 Range 15480.3 Range 28896.7 Range 25929.6 Range 20124.4 Range 32315.2 Range 28832.2 Range

    Minimum 515500 Minimum 591220.8 Minimum 584319.1 Minimum 582126 Minimum 591478.8 Minimum 587157.2 Minimum 612441.7 Minimum

    Maximum 540960 Maximum 606701.1 Maximum 613215.8 Maximum 608055.6 Maximum 611603.2 Maximum 619472.4 Maximum 641273.9 Maximum

    Sum 2116480 Sum 2398810.9 Sum 2398746.3 Sum 2381588.8 Sum 2409518 Sum 2426546.5 Sum 2516204 Sum

    Count 4 Count 4 Count 4 Count 4 Count 4 Count 4 Count 4 Count

    Eroare SP 1.09379252

    0.58957216

    1.0084588

    0.979030205

    0.738213985

    1.152590417

    1.155046

    2008 2009 2010 2011 2012 2013 2014

    Mean 656641.4 Mean 619714.3 Mean 645031.1 Mean 668590.3 Mean 671363.9 Mean 673347.3 Mean 684086.8

    Standard Error 5953.827 Standard Error 5780.196

    Standard Error 8034.152

    Standard Error 4606.83

    Standard Error 4311.998

    Standard Error 5902.573

    Standard Error 4847.729

    Median 657238.1 Median 618666.2 Median 646853.3 Median 664720.2 Median 668880.6 Median 671041.4 Median 681200.4

    Mode #N/A Mode #N/A Mode #N/A Mode #N/A Mode #N/A Mode #N/A Mode #N/A

    Standard Deviation 11907.65

    Standard Deviation 11560.39

    Standard Deviation 16068.3

    Standard Deviation 9213.659

    Standard Deviation 8623.996

    Standard Deviation 11805.15

    Standard Deviation 9695.458

    Sample Variance 1.42E+08

    Sample Variance 1.34E+08

    Sample Variance 2.58E+08

    Sample Variance 84891514

    Sample Variance 74373314

    Sample Variance 1.39E+08

    Sample Variance 94001904

    Kurtosis -1.5488 Kurtosis -5.07774 Kurtosis -2.17088 Kurtosis 3.234944 Kurtosis -0.409 Kurtosis 1.868999 Kurtosis 2.090954

    Skewness -0.22899 Skewness 0.153488 Skewness -0.45294 Skewness 1.802821 Skewness 1.025242 Skewness 1.08437 Skewness 1.45331

    Range 27348.7 Range 22575.5 Range 35733.9 Range 19415 Range 18189.4 Range 27993.6 Range 21866

    Minimum 642370.4 Minimum 609474.7 Minimum 625342 Minimum 662752.9 Minimum 664752.5 Minimum 661656.4 Minimum 676040.2

    Maximum 669719.1 Maximum 632050.2 Maximum 661075.9 Maximum 682167.9 Maximum 682941.9 Maximum 689650 Maximum 697906.2

    Sum 2626566 Sum 2478857 Sum 2580125 Sum 2674361 Sum 2685456 Sum 2693389 Sum 2736347

    Count 4 Count 4 Count 4 Count 4 Count 4 Count 4 Count 4

    Eroare SP 0.906709

    0.932719

    1.245545

    0.689036

    0.642274

    0.876602

    0.708642

  • 2. Model Regresie Liniar Simpl

    YEAR GDP General Government expenditure

    2000 2,116,480.0 947,098.0

    2001 2,179,850.0 1,022,525.0

    2002 2,209,290.0 1,044,200.0

    2003 2,220,080.0 1,061,545.0

    2004 2,270,620.0 1,051,570.0

    2005 2,300,860.0 1,062,999.0

    2006 2,393,250.0 1,069,695.0

    2007 2,513,230.0 1,076,099.0

    2008 2,561,740.0 1,116,223.0

    2009 2,460,280.0 1,170,508.0

    2010 2,580,060.0 1,219,219.0

    2011 2,703,120.0 1,208,565.0

    2012 2,754,860.0 1,224,500.0

    2013 2,820,820.0 1,255,570.0

    2014 2,915,650.0 1,290,699.0

  • Regression Statistics

    Multiple R 0.943560064

    R Square 0.890305594

    Adjusted R Square 0.881867563

    Standard Error 86821.85785

    Observations 15

    ANOVA

    df SS MS

    F

    Significance F

    Regression 1 7.95E+11 7.95346E+11

    105.5110574 1.31689E-

    07

    Residual 13 9.8E+10 7538035000

    FINV

    2.483

    Total 14 8.93E+11

    Coefficients Standard

    Error t Stat T INV P-value Lower 95%

    Upper 95%

    Lower 95.0%

    Upper 95.0%

    Intercept -

    209899.5086 261536.5

    -0.802562988

    2.144786681 0.436654386 -

    774914.7476 355115.7 -774915 355115.7

    Government revenue, expenditure and main aggregates

    2.386816885 0.232365 10.27185755

    1.31689E-07 1.884823516 2.88881 1.884824 2.88881

    0.0

    500,000.0

    1,000,000.0

    1,500,000.0

    2,000,000.0

    2,500,000.0

    3,000,000.0

    3,500,000.0

    0.0 400,000.0 800,000.0 1,200,000.0

    GD

    P

    Government revenue, expenditure and main aggregates

    Government revenue, expenditure and main aggregates Line Fit Plot

    GDP

    Predicted GDP

  • 3. Model Regresie Liniar Multipl

    YEAR GDP(mil euro) (Y) EXPORTS of good and services Imports of goods and services DOMESTIC DEMAND Final consumption

    expenditure of households, services

    Government expenditure

    2000 2,116,480.0 683,550.0 677,250.0 2,041,200.0 554,420.0 923,360.0

    2001 2,179,850.0 731,230.0 689,550.0 2,060,220.0 575,080.0 1,000,780.0

    2002 2,209,290.0 760,570.0 664,670.0 2,036,300.0 584,650.0 1,022,330.0

    2003 2,220,080.0 767,080.0 682,930.0 2,063,350.0 603,750.0 1,040,720.0

    2004 2,270,620.0 846,440.0 735,670.0 2,084,930.0 618,400.0 1,033,600.0

    2005 2,300,860.0 919,070.0 803,080.0 2,108,410.0 634,440.0 1,043,450.0

    2006 2,393,250.0 1,053,140.0 923,090.0 2,183,850.0 648,950.0 1,049,290.0

    2007 2,513,230.0 1,145,410.0 975,430.0 2,258,520.0 666,310.0 1,056,760.0

    2008 2,561,740.0 1,191,190.0 1,035,360.0 2,317,970.0 673,930.0 1,090,460.0

    2009 2,460,280.0 1,008,090.0 891,370.0 2,257,480.0 683,210.0 1,146,270.0

    2010 2,580,060.0 1,188,590.0 1,048,390.0 2,354,800.0 712,180.0 1,194,130.0

    2011 2,703,120.0 1,321,430.0 1,185,780.0 2,474,250.0 733,840.0 1,178,650.0

    2012 2,754,860.0 1,381,030.0 1,223,120.0 2,508,490.0 749,410.0 1,191,490.0

    2013 2,820,820.0 1,387,190.0 1,219,360.0 2,569,770.0 770,400.0 1,223,130.0

  • 3.1. Analiz 1 Model Regresie liniar multipl

    Regression Statistics

    Multiple R 0.999920801

    R Square 0.999841608

    Adjusted R Square 0.999742613

    Standard Error 3662.133646

    Observations 14

    ANOVA

    df SS MS F

    Significance F

    FINV T INV

    Regression 5 6.7726E+11 1.35452E+11 10099.90465 5.67839E-15 2.576927085 2,160

    Residual 8 107289782.7 13411222.84

    Total 13 6.77368E+11

    Coefficients

    Standard Error

    t Stat P-value Lower 95% Upper 95% Lower 95.0%

    Upper 95.0%

    INTERCEPT 93875.55859 51057.23983 1.838633638 0.103261504 -

    23862.64748 211613.7647

    -23862.64748

    211613.7647

    EXPORTS of good and services 1.046888567 0.052350652 19.99762247 4.07773E-08 0.926167748 1.167609386 0.926167748 1.167609386

    Imports of goods and services -0.974111032 0.075318222 -

    12.93327168 1.20915E-06

    -1.147795164

    -0.8004269 -

    1.147795164 -0.8004269

    DOMESTIC DEMAND 0.980728738 0.048510821 20.2167006 3.74304E-08 0.868862585 1.092594891 0.868862585 1.092594891

    Final consumption expenditure of households, services

    -0.257072656 0.153245601 -

    1.677520631 0.13196175

    -0.610457645

    0.096312332 -

    0.610457645 0.096312332

    Government revenue, expenditure and main aggregates

    0.11767892 0.058396442 2.01517277 0.078645037 -

    0.016983517 0.252341357

    -0.016983517

    0.252341357

  • 3.2. Analiz 2 Model Regresie liniar multipl

    Regression Statistics

    Multiple R 0.99999887

    R Square 0.999997741

    Adjusted R Square 0.909088239

    Standard Error 4145.002879

    Observations 14

    ANOVA

    df SS MS F Significance F

    Regression 3 8.36597E+13 2.79E+13 1623101.152 9.88904E-29

    Residual 11 188991537.5 17181049

    Total 14 8.36599E+13

    Coefficients Standard Error

    t Stat P-value Lower 95% Upper 95%

    Lower 95.0%

    Upper 95.0%

    Intercept 0 #N/A #N/A #N/A #N/A #N/A #N/A #N/A

    EXPORTS of good and services 1.040244248 0.040223322 25.86172 3.34075E-11 0.951713314 1.128775 0.951713 1.128775

    Imports of goods and services -1.053262486 0.049576492 -21.2452 2.79306E-10 -1.162379609

    -0.94415 -1.16238 -0.94415

    DOMESTIC DEMAND 1.03946821 0.003819985 272.1132 2.0724E-22 1.031060479 1.047876 1.03106 1.047876

    T inv = 2,160

  • 4. MODELE NELINIARE

    YEAR GDP(mil. euro)(Y) Final consumption expenditure (% of GDP) (X) 1/x lnX lnY X^2 X^3

    2000 2,116,480.0 54.1 0.018484288 3.990834 14.56526489 2,926.81 158,340.421

    2001 2,179,850.0 54.3 0.018416206 3.994524 14.59476663 2,948.49 160,103.007

    2002 2,209,290.0 53.8 0.018587361 3.985273 14.60818175 2,894.44 155,720.872

    2003 2,220,080.0 54.4 0.018382353 3.996364 14.61305379 2,959.36 160,989.184

    2004 2,270,620.0 54.3 0.018416206 3.994524 14.63556348 2,948.49 160,103.007

    2005 2,300,860.0 54.7 0.018281536 4.001864 14.64879352 2,992.09 163,667.323

    2006 2,393,250.0 54.1 0.018484288 3.990834 14.68816283 2,926.81 158,340.421

    2007 2,513,230.0 52.3 0.019120459 3.956996 14.73707934 2,735.29 143,055.667

    2008 2,561,740.0 52.4 0.019083969 3.958907 14.75619727 2,745.76 143,877.824

    2009 2,460,280.0 54.5 0.018348624 3.998201 14.71578572 2,970.25 161,878.625

    2010 2,580,060.0 53.2 0.018796992 3.974058 14.76332321 2,830.24 150,568.768

    2011 2,703,120.0 52.5 0.019047619 3.960813 14.80991722 2,756.25 144,703.125

    2012 2,754,860.0 52.7 0.018975332 3.964615 14.82887718 2,777.29 146,363.183

    2013 2,820,820.0 52.3 0.019120459 3.956996 14.85253818 2,735.29 143,055.667

    2014 2,915,650.0 51.5 0.019417476 3.941582 14.88560334 2,652.25 136,590.875

  • 4.1. Modelul Hiperbolic

    Regression Statistics

    Multiple R 0.855619557

    R Square 0.732084827

    Adjusted R Square 0.711475967

    Standard Error 135686.1408

    Observations 15

    ANOVA

    df SS MS F `Significance F

    Regression 1 6.54001E+11 6.54001E+11 35.52282103

    4.75E-05

    Residual 13 2.39339E+11 18410728806

    Total 14 8.9334E+11

    Coefficients Standard Error t Stat P-value Lower 95%

    Upper 95%

    Lower 95.0%

    Upper 95.0%

    Intercept -8599095.615 1856972.248 -4.630707662 0.0004707 -1.3E+07 -

    4587351 -1.3E+07 -4587351

    1/x 590777164.5 99121981.71 5.960102435 4.74504E-05 3.77E+08 8.05E+08 3.77E+08 8.05E+08

    0.0

    500,000.0

    1,000,000.0

    1,500,000.0

    2,000,000.0

    2,500,000.0

    3,000,000.0

    3,500,000.0

    0.018 0.0185 0.019 0.0195

    GD

    P(m

    il. e

    uro

    )(Y

    )

    1/x

    1/x Line Fit Plot

    GDP(mil. euro)(Y)

    Predicted GDP(mil. euro)(Y)

  • 4.2. Model logaritmic

    Regression Statistics

    Multiple R 0.854854755

    R Square 0.730776651

    Adjusted R Square 0.710067163

    Standard Error 136017.0014

    Observations 15

    ANOVA df SS MS F Significance

    F

    Regression 1 6.53E+11 6.53E+11 35.28705 4.9E-05

    Residual 13 2.41E+11 1.85E+10

    Total 14 8.93E+11

    Coefficients

    Standard Error

    t Stat P-value Lower 95% Upper 95%

    Lower 95.0%

    Upper 95.0%

    Intercept 46590518.15 7427976 6.272303 2.87E-05 30543351 62637685 30543351 62637685

    LN X Cht consum final -11092637.17 1867356 -5.94029 4.9E-05 -1.5E+07 -7058459 -1.5E+07 -7058459

    0.0

    500,000.0

    1,000,000.0

    1,500,000.0

    2,000,000.0

    2,500,000.0

    3,000,000.0

    3,500,000.0

    3.92 3.94 3.96 3.98 4 4.02

    GD

    P(m

    il. e

    uro

    )(Y

    )

    lnx

    lnx Line Fit Plot

    GDP(mil. euro)(Y)

    Predicted GDP(mil. euro)(Y)

  • 4.3. Model exponenial

    Regression Statistics

    Multiple R 0.84713654

    R Square 0.717640317

    Adjusted R Square 0.695920341

    Standard Error 0.056038455

    Observations 15

    ANOVA

    df SS MS F Significance F

    Regression 1 0.103758 0.103758 33.04057 6.73E-05

    Residual 13 0.040824 0.00314

    Total 14 0.144582

    Coefficients Standard Error

    t Stat P-value Lower 95% Upper 95%

    Lower 95.0%

    Upper 95.0%

    Intercept 19.15101141 0.772126 24.80297 2.48E-12 17.48294 20.81909 17.48294 20.81909

    Final consumption expenditure (% of GDP) (X) -0.083088332 0.014455 -5.74809 6.73E-05 -0.11432 -0.05186 -0.11432 -0.05186

    14.5

    14.55

    14.6

    14.65

    14.7

    14.75

    14.8

    14.85

    14.9

    14.95

    51.0 52.0 53.0 54.0 55.0

    lny

    Final consumption expenditure (% of GDP) (X)

    Final consumption expenditure (% of GDP) (X) Line Fit Plot

    lny

    Predicted lny

  • 4.4. Model Parabolic (polinomial de ordin 2)

    Regression Statistics

    Multiple R 0.86257956

    R Square 0.744043497

    Adjusted R Square 0.70138408

    Standard Error 138038.7355

    Observations 15

    ANOVA

    df SS MS F Significance F

    Regression 2 6.64684E+11 3.32E+11 17.44148 0.000281188

    Residual 12 2.28656E+11 1.91E+10

    Total 14 8.9334E+11

    Coefficients

    Standard Error

    t Stat P-value Lower 95% Upper 95%

    Lower 95.0%

    Upper 95.0%

    Intercept 126148457.5 135782949.2 0.929045 0.371177 -169697174 4.22E+08 -1.7E+08 4.22E+08

    Final consumption expenditure (% of GDP) (X)

    -4438628.314

    5102764.644 -0.86985 0.401448 -15556597.37 6679341 -1.6E+07 6679341

    x^2 39733.50075 47925.78205 0.829063 0.423254 -64687.80793 144154.8 -64687.8 144154.8

    0.0

    500,000.0

    1,000,000.0

    1,500,000.0

    2,000,000.0

    2,500,000.0

    3,000,000.0

    3,500,000.0

    51.0 52.0 53.0 54.0 55.0

    GD

    P(m

    il. e

    uro

    )(Y

    )

    Final consumption expenditure (% of GDP) (X)

    Final consumption expenditure (% of GDP) (X) Line Fit Plot

    GDP(mil. euro)(Y)

    Predicted GDP(mil. euro)(Y)

    0.0

    500,000.0

    1,000,000.0

    1,500,000.0

    2,000,000.0

    2,500,000.0

    3,000,000.0

    3,500,000.0

    2,600.002,700.002,800.002,900.003,000.003,100.00

    GD

    P(m

    il. e

    uro

    )(Y

    )

    x^2

    x^2 Line Fit Plot

    GDP(mil. euro)(Y)

    Predicted GDP(mil. euro)(Y)

  • 4.5. Model polinomial de ordin 3

    Regression Statistics

    Multiple R 0.87734291

    R Square 0.769730583

    Adjusted R Square 0.706929832

    Standard Error 136750.9336

    Observations 15

    ANOVA

    df SS MS F

    Significance F

    Regression 3 6.87632E+11 2.29E+11 12.25671 0.000787 Residual 11 2.05709E+11 1.87E+10

    Total 14 8.9334E+11

    Coefficients Standard Error t Stat P-value Lower 95%

    Upper 95%

    Lower 95.0%

    Upper 95.0%

    Intercept -

    7554866883 6935291381 -1.08934 0.299295 -2.3E+10 7.71E+09 -2.3E+10 7.71E+09

    Final consumption expenditure (% of GDP) (X)

    430111140 392319551.8 1.096329 0.296356 -4.3E+08 1.29E+09 -4.3E+08 1.29E+09

    x^2 -

    8153452.086 7396497.477 -1.10234 0.293848 -2.4E+07 8126129 -2.4E+07 8126129

    x^3 51482.30557 46475.31709 1.107734 0.291611 -50809.2 153773.8 -50809.2 153773.8

    0.0500,000.0

    1,000,000.01,500,000.02,000,000.02,500,000.03,000,000.03,500,000.0

    51.0 52.0 53.0 54.0 55.0

    GD

    P(m

    il. e

    uro

    )(Y

    )

    Final consumption expenditure (% of GDP) (X)

    Final consumption expenditure (% of GDP) (X) Line Fit Plot

    GDP(mil. euro)(Y)

    Predicted GDP(mil. euro)(Y)

    0.0

    500,000.0

    1,000,000.0

    1,500,000.0

    2,000,000.0

    2,500,000.0

    3,000,000.0

    3,500,000.0

    2,600.002,700.002,800.002,900.003,000.003,100.00

    GD

    P(m

    il. e

    uro

    )(Y

    )

    x^2

    x^2 Line Fit Plot

    GDP(mil. euro)(Y)

    Predicted GDP(mil. euro)(Y)

    0.0

    1,000,000.0

    2,000,000.0

    3,000,000.0

    4,000,000.0

    130000 140000 150000 160000 170000

    GD

    P(m

    il. e

    uro

    )(Y

    )

    x^3

    x^3 Line Fit Plot

    GDP(mil. euro)(Y)

    Predicted GDP(mil. euro)(Y)

  • 5. REZULTATE MODELE NELINIARE

    Column1 Model

    Hiperbolic Model

    Logaritmic Model

    exponential Model polinomial de

    ord 2 Model polinomial de

    ord 3

    Multiple R

    0.855619557 0.854854755 0.84713654 0.86257956 0.87734291

    R Square 0.732084827 0.730776651 0.717640317 0.744043497 0.769730583

    F 35.52282103 35.28704517 33.0405673 17.44148295 12.25670999

    T stat (a) -4.630707662 6.272303196 24.80296967 0.929044908 -1.089336622

    T stat (b) 5.960102435 -5.94028999 -5.748092492 -0.869847744 1.096328587

    T stat (b2)

    0.829063169 -1.102339602

    T stat (b3)

    1.107734359