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Data Visualization - Violin Chart


The Violin Chart is a powerful tool for visualizing the distribution of a dataset. It combines aspects of a box plot and a density plot, providing comprehensive insights into data distribution and variability. OtasML, a visual machine learning tool, includes a Violin Chart feature within its data preparation model. This article details how to configure the Violin Chart feature for effective data visualization.


The Violin Chart tool in OtasML offers various configuration options, allowing users to customize the visualization to meet their specific needs. Below are the key configurations and options available:


  • Default Value: None
  • Description: This option allows users to select specific columns for visualizing their data. By specifying the subset of columns, users can focus on the distribution of interest, ensuring the violin chart provides meaningful insights.


  • Default Value: None
  • Description: This option allows users to provide a specific height value for the chart. Only integer values are allowed, and this helps maintain the aspect ratio of the chart, ensuring the visualization remains clear and proportional.


  • Default Value: None
  • Description: This option allows users to specify the color of different elements in the chart. By customizing the colors, users can enhance the visual appearance of the chart, making it easier to distinguish between different parts of the violin plot.


  • Default Value: None
  • Description: The x-axis represents the categorical values of the dataset. Users can define which categories will be represented along the x-axis, ensuring the violin chart accurately reflects the distribution across different categories.


  • Default Value: None
  • Description: The y-axis represents the distribution of data points within each category on the x-axis. Users can define how the data distribution will be represented, with the density of the data shown along the y-axis.

Interactive Button: Preview

To enhance user experience and provide greater control over the violin chart visualization, the tool includes a Preview button:

  • Preview: This button allows users to see the effects of their configuration in real-time without permanently applying the changes. By clicking Preview, users can visually assess how the violin chart will appear based on the current configurations, ensuring that the visualization is appropriate before committing to any changes.


The Violin Chart tool in OtasML provides a versatile solution for visualizing data distributions. By allowing users to select specific columns, customize colors, and define the x and y axes, the tool offers flexibility and control over the data visualization process. The inclusion of an interactive Preview button further enhances the user experience, ensuring confidence in the violin chart configuration. OtasML continues to empower users with intuitive and effective tools, making data visualization a seamless and integral part of the machine learning workflow.


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