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05_​Data_​Manipulation_​optional_​Exercise

Data Manipulation (optional) - Exercise

Exercise 5 for the KNIME Analytics Platform for Data Wranglers course
- Create a new feature using the Rule Engine node and the Constant Value Column node
- Concatenate and join different data tables




Exercise 5: Data ManipulationIn this exercise you add a transaction type and merge all data into one table 2a) Join the onsite purchases with the product prizes (bottom output of themetanode). Exclude columns that were created as intermediate columns insome data manipulation steps.2b) Create a new column "Type" that gets the value "Store - no CC" if thecustomer ID is not available, and "Store - CC" otherwise.2c) Create a new column "Type" with a constant value "OnlineStore" for theorders coming from the online store (top output of the second metanode)2d) Concatenate the online and onsite purchases 3) Join the transaction andcustomer data on the CustomerID(Hint: Use a right outer join) Top: Online purchasesBottom: Product pricesOne row per basket to one row per product Read data ononline purchases Tabletransformation Read cleanedcustomer information Read onsitetransactions data Resolve StructurProblems in Product Nr Exercise 5: Data ManipulationIn this exercise you add a transaction type and merge all data into one table 2a) Join the onsite purchases with the product prizes (bottom output of themetanode). Exclude columns that were created as intermediate columns insome data manipulation steps.2b) Create a new column "Type" that gets the value "Store - no CC" if thecustomer ID is not available, and "Store - CC" otherwise.2c) Create a new column "Type" with a constant value "OnlineStore" for theorders coming from the online store (top output of the second metanode)2d) Concatenate the online and onsite purchases 3) Join the transaction andcustomer data on the CustomerID(Hint: Use a right outer join) Top: Online purchasesBottom: Product pricesOne row per basket to one row per product Read data ononline purchases Tabletransformation Read cleanedcustomer information Read onsitetransactions data Resolve StructurProblems in Product Nr

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Created by: Maarit Laukkanen
Created at: 2019-10-18
On NodePit since: 2023-04-05
Last update: 2024-04-28
Created with KNIME version: v4.7.2
Tags: ETLmanipulationjoinmergeeducation

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