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03_​Sentiment_​Classification

Sentiment Analysis (Classification) of Documents
The workflow reads IMDb reviews, pre-processes the documents and trains two models to predict the sentiment of moviereviews Data Import and Preprocessing Predictive Modeling and Scoring Extract sentimentlabelColor by sentimentlabelTraining / test setTransformation of strings to documentsPreprocessing of documentsCreate bit vectorsfor documentsRead IMDb reviewsfrom CSV file Category To Class Color Manager Partitioning Decision TreePredictor Document Creation Preprocessing DecisionTree Learner Document Vector CSV Reader XGBoost TreeEnsemble Learner XGBoost Predictor Column Appender Column Filter Gradient BoostedTrees Predictor Gradient BoostedTrees Learner Column Filter Gradient Boosted TreesParameters Optimization Scorer Scorer ROC Curve The workflow reads IMDb reviews, pre-processes the documents and trains two models to predict the sentiment of moviereviews Data Import and Preprocessing Predictive Modeling and Scoring Extract sentimentlabelColor by sentimentlabelTraining / test setTransformation of strings to documentsPreprocessing of documentsCreate bit vectorsfor documentsRead IMDb reviewsfrom CSV file Category To Class Color Manager Partitioning Decision TreePredictor Document Creation Preprocessing DecisionTree Learner Document Vector CSV Reader XGBoost TreeEnsemble Learner XGBoost Predictor Column Appender Column Filter Gradient BoostedTrees Predictor Gradient BoostedTrees Learner Column Filter Gradient Boosted TreesParameters Optimization Scorer Scorer ROC Curve

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Created by: Kilian
Created at: 2014-11-08
On NodePit since: 2022-02-05
Last update: 2024-11-21
Created with KNIME version: v4.1.4
Tags: sentiment analysisNLPNatural Language Processingtext classification

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