Flutter Confusion Matrix

A Flutter package for creating and visualizing Confusion Matrices with a customizable heatmap. This package is ideal for machine learning and data analysis applications where a visual representation of prediction accuracy is required.

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🌟 Features

• Customizable heatmap colors and cell dimensions.
• Configurable X-axis and Y-axis labels.
• Adjustable background opacity for enhanced visibility.
• Customizable divider colors between cells.
• Support for custom text styles for axis labels.

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🚀 Installation

Add the package to your pubspec.yaml file:

dependencies:
  flutter_confusion_matrix: <latest_version>

Usage

  ConfusionMatrix(
    xAxis: const ['A', 'B', 'C'],
    yAxis: const ['A', 'B', 'C'],
    data: const [
      [100, 33, 5],
      [20, 150, 70],
      [10, 30, 100],
    ],
    color: Colors.green,
    cellWidth: 100,
    cellHeight: 100,
    backgroundOpacity: 3,
    xAxisStyle: const TextStyle(color: Colors.black, fontSize: 16),
    yAxisStyle: const TextStyle(color: Colors.black, fontSize: 16),
  ),

🎨 Customization Options

Parameter	Type	Description	Default Value
xAxis	List<String>	Labels for the X-axis (columns).	Required
yAxis	List<String>	Labels for the Y-axis (rows).	Required
data	List<List<num>>	2D list representing the confusion matrix data.	Required
color	Color	Base color for the heatmap cells.	Required
cellWidth	double	Width of each individual cell in the heatmap.	Required
cellHeight	double	Height of each individual cell in the heatmap.	Required
backgroundOpacity	num	Opacity factor for the cell background.	3
xAxisStyle	TextStyle?	Style for the X-axis labels.	null
yAxisStyle	TextStyle?	Style for the Y-axis labels.	null
reverseColor	bool	Flag to reverse the color gradient of the heatmap.	true
padding	EdgeInsetsGeometry?	Padding around the heatmap.	EdgeInsets.all(20)
dividerColor	Color	Color of the dividers between the cells.	Colors.white

🔗 Contributing

Contributions are welcome! If you encounter any issues or have suggestions for improvements, feel free to create an issue or submit a pull request.