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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