Summary Statistics Stata. Summary statistics are a way to explore your dataset find patterns and maybe even refine your question of interest. For instance the last row of the table reveals that the average mileage of domestic cars is 19 83 and that of foreign cars is 24 77 domestic cars yield poorer mileage than foreign cars.
If you want to get the mean standard deviation and five number summary on one line then you want to get the univar command. Once you have a dataset ready to analyze 1 the first step of any good empirical project should be to create summary statistics. Without the by option tabstat is a useful alternative to summarize see r summarize because it allows you to specify the list of statistics to be displayed.
S 2 1 n 1 sum w i x i xbar 2.
Summary statistics for a single quantitative variable for a variable that describes quantities like income the mean tells you what the expected value of the variable is and the standard deviation tells you how much it varies. S 2 1 n 1 sum w i x i xbar 2. Formula for s 2 used by summarize with aweights. But we now see that domestic cars.