参考分析详解lab1.pdf
Exercise:
1.Obtaindescriptivestatisticsfor“income”and“edu”.Thestatisticsshouldincludenumberof
observations,min,max,mean,median,std,skewness,kurtosis,quantile(0.25),quantile(0.75).
IncomeEdu
Observations5778.000Observations5778.000
Min30.00000Min0.000000
Max400000.0Max20.00000
Mean10165.39Mean8.696262
Median6000.000Median9.000000
Std14259.29Std4.234267
Skewness7.549850Skewness-0.386088
Kurtosis132.1436Kurtosis2.563698
Quantile(0.25)2500.000Quantile(0.25)6.000000
Quantile(0.75)12000.00Quantile(0.75)12.00000
2.Obtainhistogramsanddensitiesforboth“income”and“logy”(logofincome).Comparethe
distributionsofthesetwovariables.
Histograms:
6,000