Iconavocado's prices simple regression 

Trying to predict 2018 avocado's prices. In the mixed data it works well, but when I try to predict only the 2018 prices, R² goes negative! What could be wrong?

Icon02.Generating Unit Test Report - Exercise 

<p>This workflow gets a list of unit tests, executes them gathering their statuses and metadata, and generates a PDF execution report with the compiled […]

Icon01 Development data pipeline - Connect and upload to KNIME Business Hub 

This workflow reads a sample of restaurant orders data, cleans and transforms it. Besides, it captures the data transformation segment and saves it as a […]