Icon

06 Aggregations


Calculate statistics for subgroups of data with the GroupBy and Pivoting nodes.








Exercise: Aggregations1.1) Read the life expectancy data by executing the Excel Reader node below1.2) Calculate the number of countries by rank. Which rank is shared by 5 countries?1.3) Calculate the minimum and maximum overall life expectancy in the data2.1) Read the population data by executing the metanode below2.2) Calculate the average change of population in each UN continental region. Is the average change negative in anycontinental region?2.3) Create a pivot table that shows the number of countries by UN continental region and direction. In how many countriesin Europe is the population increasing? Average changeby countryMin and max Airline IDAirlines by Airline IDMeasure of Altitude by Longitude and LatiudeRoutes.csvGroupBy GroupBy GroupBy Pivoting Population data CSV Reader Exercise: Aggregations1.1) Read the life expectancy data by executing the Excel Reader node below1.2) Calculate the number of countries by rank. Which rank is shared by 5 countries?1.3) Calculate the minimum and maximum overall life expectancy in the data2.1) Read the population data by executing the metanode below2.2) Calculate the average change of population in each UN continental region. Is the average change negative in anycontinental region?2.3) Create a pivot table that shows the number of countries by UN continental region and direction. In how many countriesin Europe is the population increasing? Average changeby countryMin and max Airline IDAirlines by Airline IDMeasure of Altitude by Longitude and LatiudeRoutes.csvGroupBy GroupBy GroupBy Pivoting Population data CSV Reader

Nodes

Extensions

Links