Key points

1. In STATA, commands are issued by typing them into the command panel.
2. When issuing a command, you type the name of the command, followed by parameters needed for the command to work.
3. Parameters can be mandatory while others can be optional to the command
4. The summarize command allows users to summarize a specific variable or all variables in a dataset.
5. When specifying variables, always use their variable names, not the variable labels.