Exercises
This directory contains 8 workflows.
01 Document Viewer
Exercise: Exploring documents with the Document Viewer node. 1) Execute the metanodes below. They read and preprocess a sample of TripAdvisor reviews of […]
02 Reading Text Data
Exercise: Encapsulating strings into a document. 1) Read the KNIME-Tweets.table file available in the data folder. It contains a list of tweets about KNIME, […]
03 Tagging
Exercise: Tagging documents. In this exercise you'll add different types of tags to the agenda of the L4-TP instructor-led course. 1) Execute the workflow […]
04 Cleaning and Filtering
Exercise: Document Cleaning and Filtering. In this exercise you'll reduce and clean the agenda text of the L4-TP instructor-led course. 1) Execute the […]
05 Bag of Words and Frequencies
Exercise: Creating a bag of words and calculating frequencies. In this exercise you'll calculate word frequencies in the agendas of two different […]
06 Document Vector
Exercise: Creating and applying a document vector. In this exercise you'll build a document vector and then apply it to a new document. 1) Execute the […]
07 Visualizations
Exercise: Visualizations. In this exercise you'll visualize the agenda text of the L4-TP instructor-led course in a word cloud and a bar chart. 1) Execute […]
08 Topic Detection
Exercise: Topic Detection. In this exercise you'll use the LDA algorithm for topic detection in a document corpus. 1) Execute the Preprocessed Documents […]