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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?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 theaverage change negative in any continental region?2.3) Create a pivot table that shows the number of countries by UN continental region anddirection. In how many countries in Europe is the population increasing? a) rank 16b) no Average changeby continentdemographics.xlsx(life_expectancy)Min and max life expectancyCount by RankNumber of countriesby continent and direction GroupBy 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?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 theaverage change negative in any continental region?2.3) Create a pivot table that shows the number of countries by UN continental region anddirection. In how many countries in Europe is the population increasing? a) rank 16b) no Average changeby continentdemographics.xlsx(life_expectancy)Min and max life expectancyCount by RankNumber of countriesby continent and direction GroupBy Excel Reader GroupBy GroupBy Pivoting Population data

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Created by: Maarit Laukkanen
Created at: 2020-10-09
On NodePit since: 2023-01-18
Last update: 2024-11-21
Created with KNIME version: v4.5.1
Tags: aggregategroupbypivot

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