In this lesson you have:
•been introduced to the R>
•opened and accessed the help
•been introduced to the command syntax
•used commands at the R>
•created and calculated variables at the R>
To check your knowledge, try answering the following questions:
| 1. | What hot keys are used to open the R>? |
| 2. | What function key launches the help? |
| 3. | Give one example of a single word command. |
| 4. | What command is used to add conditions to restrict the data returned? |
| 5. | Give one example of a system variable. |
| 6. | Give one reason why you would use a variable. |
