Setting up a basic visual for single values
- Open a new visual.
 - In the Visuals menu, select the Table visual type.
 - 
                Populate the shelves of the visual from the fields listed in the Data
                    menu:
                
- Dimensions
Add the fields
country,life_expectancy,gdp_per_capita, andpopulation. - Filters
Add the field
year, and select the value 2010.Add the field
un_subregion, and set it to Africa. 
 - Dimensions
 - 
                Specify descending order on 
life_expectancy. - Optional: 
                In the Enter/Edit Expression editor, change the
                        
gdp_per_capitacalculation on the shelf, and rename it:[gdp_per_capita]*[population] as 'GDP' - Optional: Change the Display Format options for the fields on the shelves to remove extra decimals, specify currency, and so on.
 - Optional: 
                Change the Alias for the fields on the shelves. Click
                        Refresh Visual to update the table visual.
                
                     - Name the visual Basic Table.
 - Click Save.
 
