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data preprocessing

Data Preprocessing for ML Models

This workflow demonstrates the following standard preprocessing steps before training a machine learning model:
- Partitioning
- Outlier detection
- Missing value handling
- Dimensionality reduction
- Conversion
- Feature selection

URL: House Prices Dataset https://www.kaggle.com/marcopale/housing

Nodes

  • Component Input6 ×
  • Component Output6 ×
  • Reference Column Filter6 ×
  • PCA Apply2 ×
  • Partitioning2 ×
  • Rule-based Row Filter2 ×
  • Box Plot (JavaScript)1 ×
  • CSV Reader1 ×
  • Column Appender1 ×
  • Column Filter1 ×
  • Column Splitter1 ×
  • Constant Value Column Filter1 ×
  • Correlation Filter1 ×
  • Feature Selection Filter1 ×
  • Feature Selection Loop End1 ×
  • Feature Selection Loop Start (1:1)1 ×
  • GroupBy1 ×
  • Linear Correlation1 ×
  • Linear Regression Learner1 ×
  • Math Formula1 ×
  • Missing Value1 ×
  • Missing Value (Apply)1 ×
  • Missing Value Column Filter1 ×
  • Normalizer1 ×
  • Normalizer (Apply)1 ×
  • Numeric Outliers1 ×
  • Numeric Outliers (Apply)1 ×
  • Numeric Scorer1 ×
  • One to Many (PMML)1 ×
  • PCA Compute1 ×
  • PMML Transformation Apply1 ×
  • Regression Predictor1 ×
  • RowID1 ×
  • Table Row to Variable1 ×
  • Top k Row Filter1 ×
  • Tree Ensemble Learner (Regression)1 ×

Extensions

  • FeatureKNIME Base nodes
  • FeatureKNIME Ensemble Learning Wrappers
  • FeatureKNIME JavaScript Views
  • FeatureKNIME Javasnippet
  • FeatureKNIME Math Expression (JEP)
  • Show all 7 modules

Links

  • No links available

Download

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

Download Workflow
Created by: Lada.Rudnitckaia
Created at: 2021-08-18
On NodePit since: 2025-02-05
Last update: 2025-06-18
Created with KNIME version: v5.4.0
Tags: preprocessingpartitioningoutlier detectionmissing valuePCAencodingconversionforward feature selectionmachine learningML

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