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11 Visualization - solution

Workflow

Text Mining Course: Visualisation (solution)
educationsolution
Solution: Visualization- Inspect decision tree via its view- Visualize bag of words using a tag cloud- Assign colors to terms in tag cloud.- Green if term occurs mostly in Chinese reviews, blue if term occurs mostly in Italian reviews. Reading Textual Data Enrichment Preprocessing Transformation Visualization Solution Compute relativeterm frequencyAppend colorsRead Tripadvisor dataSan Francisco ReviewsFilter documentcolumnTagging (POS)Creation ofdocument vectorsConvert stringsto documentsFiltering, Stemming, ...Filtering based onoccurrencesAppend colorsby binsBy terms (strings)By termspivots: categoryvalue: sum of tfItalian -ChinesescoreAdd scoreand bins0 - 13 binsExtract categoryfor prediction (class label) TF Color Manager Table Reader Column Filter Enrichment Transformation Document Creation Preprocessing I Preprocessing II Color Manager GroupBy Pivoting Math Formula Joiner Normalizer Missing Value DecisionTree Learner Auto-Binner Document DataExtractor Tag Cloud Solution: Visualization- Inspect decision tree via its view- Visualize bag of words using a tag cloud- Assign colors to terms in tag cloud.- Green if term occurs mostly in Chinese reviews, blue if term occurs mostly in Italian reviews. Reading Textual Data Enrichment Preprocessing Transformation Visualization Solution Compute relativeterm frequencyAppend colorsRead Tripadvisor dataSan Francisco ReviewsFilter documentcolumnTagging (POS)Creation ofdocument vectorsConvert stringsto documentsFiltering, Stemming, ...Filtering based onoccurrencesAppend colorsby binsBy terms (strings)By termspivots: categoryvalue: sum of tfItalian -ChinesescoreAdd scoreand bins0 - 13 binsExtract categoryfor prediction (class label) TF Color Manager Table Reader Column Filter Enrichment Transformation Document Creation Preprocessing I Preprocessing II Color Manager GroupBy Pivoting Math Formula Joiner Normalizer Missing Value DecisionTree Learner Auto-Binner Document DataExtractor Tag Cloud

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Nodes

11 Visualization - solution consists of the following 33 nodes(s):

Plugins

11 Visualization - solution contains nodes provided by the following 4 plugin(s):