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06 Aggregations

Exercise for data aggregation.

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? 161.3) Calculate the minimum and maximum overall life expectancy in the data 2.1) 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? It was increasing overall2.3) 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? 30 Average changeby continentdemographics.xlsx(life_expectancy)Min and max life expectancyCount by RankNumber of countriesby continent and directionGroupBy Excel Reader GroupBy GroupBy Pivoting Population data 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? 161.3) Calculate the minimum and maximum overall life expectancy in the data 2.1) 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? It was increasing overall2.3) 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? 30 Average changeby continentdemographics.xlsx(life_expectancy)Min and max life expectancyCount by RankNumber of countriesby continent and directionGroupBy Excel Reader GroupBy GroupBy Pivoting Population data

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Created by: Maarit Laukkanen
Created at: 2020-10-09
On NodePit since: 2023-03-09
Last update: 2026-01-10
Created with KNIME version: v4.7.0
Tags: aggregategroupbypivot

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