Icon

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

Nodes

Extensions

Links

Download

To use this workflow in KNIME, download it from the below URL and open it in KNIME:

Download Workflow
Created by: Maarit Laukkanen
Created at: 2020-04-20
On NodePit since: 2022-02-25
Last update: 2024-11-21
Created with KNIME version: v4.5.1
Tags: rule enginestring manipulationmath formulacolumn expressions

Deploy, schedule, execute, and monitor your KNIME workflows locally, in the cloud or on-premises – with our brand new NodePit Runner.

Try NodePit Runner!