Struct ConfusionMatrix 

pub struct ConfusionMatrix { /* private fields */ }

Confusion matrix widget for classification visualization.

Implementations

impl ConfusionMatrix

pub fn new(matrix: Vec<Vec<u64>>) -> Self

Create a new confusion matrix.

pub fn with_labels(self, labels: Vec<String>) -> Self

Set class labels.

pub fn with_normalization(self, normalization: Normalization) -> Self

Set normalization mode.

pub fn with_palette(self, palette: MatrixPalette) -> Self

Set color palette.

pub fn with_cell_width(self, width: usize) -> Self

Set cell width.

pub fn with_values(self, show: bool) -> Self

Show or hide values in cells.

pub fn with_percentages(self, show: bool) -> Self

Show percentages instead of counts.

pub fn with_title(self, title: impl Into<String>) -> Self

Set title.

pub fn set_matrix(&mut self, matrix: Vec<Vec<u64>>)

Update matrix data.

pub fn size(&self) -> usize

Get matrix dimensions.

pub fn total(&self) -> u64

Get total count.

pub fn accuracy(&self) -> f64

Get accuracy (correct / total).

pub fn precision(&self, class: usize) -> f64

Get precision for a class.

pub fn recall(&self, class: usize) -> f64

Get recall for a class.

pub fn f1_score(&self, class: usize) -> f64

Get F1 score for a class.

Trait Implementations

impl Brick for ConfusionMatrix

fn brick_name(&self) -> &'static str

Get the brick’s unique type name

fn assertions(&self) -> &[BrickAssertion]

Get all assertions for this brick

fn budget(&self) -> BrickBudget

Get the performance budget

fn verify(&self) -> BrickVerification

Verify all assertions against current state

fn to_html(&self) -> String

Generate HTML for this brick (WASM target)

fn to_css(&self) -> String

Generate CSS for this brick (WASM target)

fn test_id(&self) -> Option<&str>

Get the test ID for DOM queries

fn can_render(&self) -> bool

Check if this brick can be rendered (all assertions pass)

impl Clone for ConfusionMatrix

fn clone(&self) -> ConfusionMatrix

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ConfusionMatrix

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for ConfusionMatrix

fn default() -> Self

Returns the “default value” for a type.

impl Widget for ConfusionMatrix

fn type_id(&self) -> TypeId

Get the type identifier for this widget type.

fn measure(&self, constraints: Constraints) -> Size

Compute intrinsic size constraints.

fn layout(&mut self, bounds: Rect) -> LayoutResult

Position children within allocated bounds.

fn paint(&self, canvas: &mut dyn Canvas)

Generate draw commands for rendering.

fn event(&mut self, _event: &Event) -> Option<Box<dyn Any + Send>>

Handle input events.

fn children(&self) -> &[Box<dyn Widget>]

Get child widgets for tree traversal.

fn children_mut(&mut self) -> &mut [Box<dyn Widget>]

Get mutable child widgets.

fn is_interactive(&self) -> bool

Check if this widget is interactive (can receive focus/events).

fn is_focusable(&self) -> bool

Check if this widget can receive keyboard focus.

fn accessible_name(&self) -> Option<&str>

Get the accessible name for screen readers.

fn accessible_role(&self) -> AccessibleRole

Get the accessible role.

fn test_id(&self) -> Option<&str>

Get the test ID for this widget (if any).

fn bounds(&self) -> Rect

Get the current bounds of this widget.