Stata Summary By Group. It is the most widely used measure of central tendency. 2summarize summary statistics syntax summarize varlist if in weight.
This workshop is designed to teach you syntax rather than point and click. In stata you can use different kinds of weights on your data. Summary statistics are a way to explore your dataset find patterns and maybe even refine your question of interest.
Foreign car type foreign price weight mpg rep78 domestic 6072 423 3317 115 19 82692 3 020833 foreign 6384 682 2315 909 24 77273 4 285714 total 6165 257 3019 459 21 2973 3 405797 more summary statistics can be requested via the statistics option.
When n is combined with by however n is the observation number within by group in this case within oldid. In stata you can use different kinds of weights on your data. When this default is used the sum of the weights will equal the number of observations. Summarize v1 with frequency weight wvar summarize v1 fweight wvar menu statistics summaries tables and tests summary and descriptive statistics summary statistics 1.
