vuecore.plots.basic.bar module

vuecore.plots.basic.bar module#

vuecore.plots.basic.bar.create_bar_plot(data: DataFrame, engine: EngineType = EngineType.PLOTLY, file_path: str = None, **kwargs) → Any[source]#

Creates, styles, and optionally saves a bar plot using the specified engine.

This function serves as the main entry point for users to generate bar plots. It validates the provided configuration against the BarConfig schema, retrieves the appropriate plotting builder and saver functions based on the selected engine, builds the plot, and optionally saves it to a file.

Parameters:

  • data (pd.DataFrame) – The DataFrame containing the data to be plotted. Each row represents an observation, and columns correspond to variables.

  • engine (EngineType, optional) – The plotting engine to use for rendering the plot. Defaults to EngineType.PLOTLY.

  • file_path (str, optional) – If provided, the path where the final plot will be saved. The file format is automatically inferred from the file extension (e.g., ‘.html’, ‘.png’, ‘.jpeg’, ‘.svg’). Defaults to None, meaning the plot will not be saved.

  • **kwargs –

    Keyword arguments for plot configuration. These arguments are validated against the BarConfig Pydantic model and the engine specific parameters.

    The following parameters are supported:

    • x (str) – Column for x-axis values.

    • y (str) – Column for y-axis values.

    • color (str) – Column to assign color to plot elements.

    • hover_name (str) – Column to appear in bold in the hover tooltip.

    • hover_data (list of str) – Additional columns for the hover tooltip. (default: [])

    • facet_row (str) – Column to create vertical subplots (facets).

    • facet_col (str) – Column to create horizontal subplots (facets).

    • labels (Dict[str, str]) – Dictionary to override column names for titles, legends, etc.

    • color_discrete_map (Dict[str, str]) – Specific color mappings for values in the color column.

    • category_orders (Dict[str, list of str]) – Dictionary to specify the order of categorical values.

    • log_x (bool) – If True, use a logarithmic x-axis. (default: False)

    • log_y (bool) – If True, use a logarithmic y-axis. (default: False)

    • range_x (list of float) – Range for the x-axis, e.g., [0, 100].

    • range_y (list of float) – Range for the y-axis, e.g., [0, 100].

    • title (str) – The main title of the plot. (default: Plotly Plot)

    • x_title (str) – Custom title for the x-axis.

    • y_title (str) – Custom title for the y-axis.

    • subtitle (str) – The subtitle of the plot.

    • template (str) – Plotly template for styling. (default: plotly_white)

    • width (int) – Width of the plot in pixels. (default: 800)

    • height (int) – Height of the plot in pixels. (default: 600)

    • pattern_shape (str) – Column to assign pattern shapes to bars.

    • text (str) – Column for text labels on bars.

    • error_x (str) – Column for x-axis error bars.

    • error_y (str) – Column for y-axis error bars.

    • pattern_shape_map (Dict[str, str]) – Map values to specific pattern shapes.

    • opacity (float) – Overall opacity of markers. (default: 0.8)

    • orientation (str) – Orientation of the bars (‘v’ for vertical, ‘h’ for horizontal). (default: v)

    • barmode (str) – Mode for grouping bars. (default: relative)

Returns:

The final plot object returned by the selected engine. For Plotly, this will typically be a plotly.graph_objects.Figure. The exact type depends on the chosen engine.

Return type:

Any

Raises:

  • pydantic.ValidationError – If the provided keyword arguments do not conform to the BarConfig schema. e.g., a required parameter is missing or a value has an incorrect type.

  • ValueError – Raised by the plotting engine (e.g., Plotly Express) if a column specified in the configuration (e.g., ‘x’, ‘y’, ‘color’) is not found in the provided DataFrame.

Examples

For detailed examples and usage, please refer to the documentation:

  • Jupyter Notebook: docs/api_examples/bar_plot.ipynb -

https://vuecore.readthedocs.io/en/latest/api_examples/bar_plot.html * Python Script: docs/api_examples/bar_plot.py - Multiomics-Analytics-Group/vuecore

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