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04 Data Transformation

04 Data Transformation
Exercise: Data Transformation1) Read the adult.csv file by executing the CSV Reader node2) Create a new column "work-status" with the value "full-time" if the weekly workinghours are >=40 and "part-time" otherwise3) Replace the hyphen in "United-States" by a space character in the "native-country"column4) Create a new column "year-of-birth" by substracting the age number from 1994,which is the year when the data were collected 5) OPTIONAL: Replicate the tasks 3 & 4 with the Column Expressions node6) Take a look at the first row in the data table (ID 177) after completing the datatransformation operations. What is the work status, native country, and year of birth ofthis person? Replace "-"by "" in the nativecountry columnyear-of-birthcolumnComplete the same tasks as aboveNode 30Node 31 String Manipulation Math Formula Column Expressions CSV Reader CSV Reader Exercise: Data Transformation1) Read the adult.csv file by executing the CSV Reader node2) Create a new column "work-status" with the value "full-time" if the weekly workinghours are >=40 and "part-time" otherwise3) Replace the hyphen in "United-States" by a space character in the "native-country"column4) Create a new column "year-of-birth" by substracting the age number from 1994,which is the year when the data were collected 5) OPTIONAL: Replicate the tasks 3 & 4 with the Column Expressions node6) Take a look at the first row in the data table (ID 177) after completing the datatransformation operations. What is the work status, native country, and year of birth ofthis person? Replace "-"by "" in the nativecountry columnyear-of-birthcolumnComplete the same tasks as aboveNode 30Node 31 String Manipulation Math Formula Column Expressions CSV Reader CSV Reader

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Created by: Maarit Laukkanen
Created at: 2020-04-20
On NodePit since: 2022-02-25
Last update: 2024-11-14
Created with KNIME version: v4.5.1
Tags: rule enginestring manipulationmath formulacolumn expressions

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