Summary:
This script is designed to perform a comparative analysis of yearly data, visualizing the changes in various values across consecutive years. It starts by importing data from a KNIME workflow, focusing on a set of values recorded over multiple years. The script calculates the percentage change for each value from one year to the next, providing a clear year-over-year comparison.
The core of the script lies in its ability to visually represent these changes through a bar chart, where each year is represented on the X-axis and is accompanied by a group of bars. Each bar in a group corresponds to a specific value, illustrating how it has evolved from the previous year. The bars are annotated with the actual numerical value and the calculated percentage change, offering an immediate and clear understanding of the data's trajectory.
This visualization is particularly useful for identifying trends, patterns, and anomalies in the dataset, making it an invaluable tool for data analysis, financial review, or performance tracking. The final output is a comprehensive and interactive plot, which is then integrated back into the KNIME workflow for further use or presentation purposes.
Workflow
Python graphics: Annual Comparative Analysis: Visualizing Year-over-Year Value Changes
External resources
Used extensions & nodes
Created with KNIME Analytics Platform version 4.7.7
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