1.3 Working with Data: An Introduction to R

1.3 Working with Data: An Introduction to R

Quick Question

Use the tapply function to find the average child mortality rate of countries in each region.

Which region has the lowest average child mortality rate across all countries in that region?

 Africa  close
  
 Americas  close
  
 Eastern Mediterranean  close
  
 Europe  check
  
 South-East Asia  close
  
 Western Pacific  close
  
Check Show Solution

Explanation You can find the average child mortaility rate of countries in each region by using the following command: tapply(WHO$ChildMortality, WHO$Region, mean) The output tells us that Europe has the lowest average child mortality rate across all countries, with an average of 10.05.

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