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参考分析详解lab1.pdf

发布:2024-11-26约4.09万字共10页下载文档
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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

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