introduction to xtsum
Introduction | Installation | Getting Started | xtsum | Example | Genral example | Using pdata.frame object | Using regular data.frame with id and t specified | Specifying variables to include in the summary | Returning a data.frame object | Other Functions | between_max | Using pdata.frame | between_min | between_sd | Examples | using pdata.frame | within_max | within_min | within_sd | References