CSV Reader imports the climate dataset and should auto-detect delimiter, encoding, header, and data types.
Statistics View inspects structure and distributions. Statistics generates summary metrics. GroupBy compares values by Year and Country.
Missing Value handles nulls, Duplicate Row Filter removes repeated records, String to Number fixes numeric imports, One to Many encodes Country, and Column Filter keeps model features. A categorical target should be created here if needed.
Partition data into 80/20, train a Decision Tree on the training split, predict on validation data, and evaluate with Scorer using confusion matrix and accuracy.
To use this workflow in KNIME, download it from the below URL and open it in KNIME:
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