¡Descarga practica economitria y más Ejercicios en PDF de Econometría solo en Docsity!
ASCII data correctly imported >> stat {union} =========================================================== ============= Variable Obs Mean uStd Min Max
union 1000 0.216000 0.411720 0 1
>> stat { union }
============= Variable Obs Mean uStd Min Max
union 1000 0.216000 0.411720 0 1
>> Frequency distribution =========================================================== = union Count Percent CumCnt CumPct
0 784 78.40 784 78. 1 216 21.60 1000 100
_ >> Frequency distribution =========================================================== = grade Count Percent CumCnt CumPct
0 1 0.100000 1 0. 2 1 0.100000 2 0. 3 1 0.100000 3 0. 4 2 0.200000 5 0. 5 3 0.300000 8 0. 6 6 0.600000 14 1. 7 8 0.800000 22 2. 8 17 1.700000 39 3. 9 30 3 69 6. 10 45 4.500000 114 11. 11 40 4 154 15. 12 412 41.20 566 56. 13 76 7.600000 642 64. 14 102 10.20 744 74. 15 21 2.100000 765 76.
___________________________________________________________
_
>> mean { union } Two-sided confidence interval for the mean (unknown standard deviation) =========================================================== ========================= Variable Obs Mean Std. Dev. Std. Error [95.0% conf interval ]
union 1000 0.216000 0.411720 0.013020 0.190451 0.
>> mean { union } -by[married] Two-sided confidence interval for the mean (unknown standard deviation) Group 0 =========================================================== ========================= Variable Obs Mean Std. Dev. Std. Error [95.0% conf interval ]
union 359 0.150418 0.357979 0.018893 0.113262 0.
Group 1
========================= Variable Obs Mean Std. Dev. Std. Error [95.0% conf interval ]
union 641 0.252730 0.434917 0.017178 0.218998 0.
>> crosstab {married union} Rows: married Columns: union 0 1 All
0 305 54 359 (tc) 1 479 162 641 (tc)
All 784 216 1000
Pearson Chi-square test statistic
Stat. p-value
S.D. dependent var 0.411720 S.E. regression 0. R-squared 0.014225 Adjusted R-squared 0. Log-likelihood -523.86 Akaike info 1.
>> ls union 1 single Dependent variable: union Sample: U 1000 Observations: 1000 Estimation method: ordinary least squares Date: Wednesday, February 15 2012 09:35: =========================================================== ========================= Variable Coefficient Std. Error t-ratio p-value [95.0% conf interval]
1 0.2527301 0.016154 15.65 0 0.2210 0. single -0.102312 0.026961 -3.794857 0.0002 -0. -0.
Mean of dependent var 0.216000 Mean of residuals 3.12e- Total sum of squares 169.34 Resid sum of squares 166. S.D. dependent var 0.411720 S.E. regression 0. R-squared 0.014225 Adjusted R-squared 0. Log-likelihood -523.86 Akaike info 1. F-statistic 14.40 p-value 0.
>>>> stat {potexp exp2 grade married high } -by[union ]
Group 0
Variable Obs Mean uStd Min Max
potexp 784 17.81 12.94 1 55
exp2 784 484.43 595.76 1 3025
grade 784 13.14 2.676191 0 18
married 784 0.610969 0.487842 0 1
high 784 0.514031 0.500122 0 1
______________________________________________________
__________________
Group 1
Variable Obs Mean uStd Min Max
potexp 216 22.78 11.42 1 49
exp2 216 648.57 563.34 1 2401
grade 216 12.56 2.273423 5 18
married 216 0.750000 0.434019 0 1
high 216 0.763889 0.425678 0 1
______________________________________________________
__________________
>> ls union potexp exp2 grade married high 1
Dependent variable: union
Sample: U 1000
Observations: 1000
Estimation method: ordinary least squares
Date: Wednesday, February 15 2012 09:49:
Variable Coefficient Std. Error t-ratio p-value [95.0%
conf interval]
potexp 0.0200388 0.003897 5.142214 3.27e-007 0.
exp2 -0.000371 0.000082 -4.525723 6.75e-006 -0.
grade -0.012464 0.005100 -2.443623 0.0147 -0.
married 0.013343 0.030001 0.444745 0.6566 -0.
high 0.143940 0.025679 5.605447 2.69e-008 0.
______________________________________________________
______________________________
Mean of dependent var 0.216000 Mean of residuals 0
Total sum of squares 169.34 Resid sum of squares
S.D. dependent var 0.411720 S.E. regression 0.
R-squared 0.083728 Adjusted R-squared 0.
Log-likelihood -487.31 Akaike info 0.
F-statistic 18.17 p-value 0
______________________________________________________
______________________________
>>>> stat { _fitted }
Variable Obs Mean uStd Min Max
_fitted 1000 0.216000 0.119134 -0.083612 0.
