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‎code_in_notes/datasets/chfs_ind.dta‎

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‎code_in_notes/test_under_null.do‎

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clear
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set more off
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** test under H0: mu=mu0 at 5% significant level
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// test under H0: mu=mu0 at 5% significant level
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cap program drop test_normal_mean
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program define test_normal_mean, rclass
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version 12

‎code_in_notes/ttest_mean_comparison.do‎

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// t-test of two means comparison
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use datasets/cfps_adult.dta, clear
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gen log_income=log(1+p_income)
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// 方差相同假设下的检验
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ttest log_income, by(cfps_gender)
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// 方差不相同假设下的检验
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ttest log_income, by(cfps_gender) unequal
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// 方差不相同的假设下比较

‎notebook_python/LLN_CLT.ipynb‎

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‎notebook_python/Martingale.ipynb‎

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