Struct InteractiveROCVisualizer 

pub struct InteractiveROCVisualizer<'a, T, S>
where
    T: Clone + PartialOrd,
    S: Data<Elem = T>,
{ /* private fields */ }

Interactive ROC curve visualizer

This struct provides methods for visualizing interactive ROC curves with threshold adjustment and performance metrics display.

Implementations

impl<'a, T, S> InteractiveROCVisualizer<'a, T, S>

where T: Clone + PartialOrd + 'static, S: Data<Elem = T>, f64: From<T>,

pub fn new( fpr: Vec<f64>, tpr: Vec<f64>, thresholds: Option<Vec<f64>>, auc: Option<f64>, ) -> Self

Create a new InteractiveROCVisualizer from pre-computed ROC curve data

Arguments

• fpr - False positive rates
• tpr - True positive rates
• thresholds - Optional thresholds
• auc - Optional AUC value

Returns

• A new InteractiveROCVisualizer

pub fn from_labels( y_true: &'a ArrayBase<S, Ix1>, y_score: &'a ArrayBase<S, Ix1>, pos_label: Option<T>, ) -> Self

Create a ROCCurveVisualizer from true labels and scores

Arguments

• y_true - True binary labels
• y_score - Target scores (probabilities or decision function output)
• pos_label - Label of the positive class

Returns

• A new InteractiveROCVisualizer

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

Set the title for the plot

Arguments

• title - Title for the plot

Returns

• Self for method chaining

pub fn with_show_auc(self, showauc: bool) -> Self

Set whether to display the AUC in the legend

Arguments

• show_auc - Whether to display the AUC

Returns

• Self for method chaining

pub fn with_show_baseline(self, showbaseline: bool) -> Self

Set whether to display the baseline

Arguments

• show_baseline - Whether to display the baseline

Returns

• Self for method chaining

pub fn with_auc(self, auc: f64) -> Self

Set the AUC value

Arguments

• auc - AUC value

Returns

• Self for method chaining

pub fn with_show_metrics(self, showmetrics: bool) -> Self

Set whether to display metrics on the plot

Arguments

• show_metrics - Whether to display metrics

Returns

• Self for method chaining

pub fn with_interactive_options(self, options: InteractiveOptions) -> Self

Set interactive options

Arguments

• options - Interactive options

Returns

• Self for method chaining

pub fn with_threshold_index(self, idx: usize) -> Self

Set current threshold index

Arguments

• idx - Threshold index

Returns

• Self for method chaining

pub fn with_threshold_value(self, threshold: f64) -> Result<Self>

Set current threshold value

Arguments

• threshold - Threshold value

Returns

• Result containing self for method chaining

pub fn calculate_confusion_matrix( &self, threshold_idx: usize, ) -> Result<(usize, usize, usize, usize)>

Calculate confusion matrix values at a given threshold index

Arguments

• threshold_idx - Index of the threshold

Returns

• Result containing confusion matrix values (TP, FP, TN, FN)

pub fn calculate_metrics( &self, thresholdidx: usize, ) -> Result<HashMap<String, f64>>

Calculate metrics at a given threshold index

Arguments

• threshold_idx - Index of the threshold

Returns

• Result containing a HashMap with metric names and values

pub fn get_current_threshold_idx(&self) -> Result<usize>

Get the current threshold index or a default

Returns

• The current threshold index or the middle index if not set

Trait Implementations

impl<'a, T, S> Clone for InteractiveROCVisualizer<'a, T, S>

where T: Clone + PartialOrd + Clone, S: Data<Elem = T> + Clone,

fn clone(&self) -> InteractiveROCVisualizer<'a, T, S>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a, T, S> Debug for InteractiveROCVisualizer<'a, T, S>

where T: Clone + PartialOrd + Debug, S: Data<Elem = T> + Debug,

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

Formats the value using the given formatter.

impl<T, S> MetricVisualizer for InteractiveROCVisualizer<'_, T, S>

where T: Clone + PartialOrd + 'static, S: Data<Elem = T>, f64: From<T>,

fn prepare_data(&self) -> Result<VisualizationData, Box<dyn Error>>

Prepare data for visualization

fn get_metadata(&self) -> VisualizationMetadata

Get visualization metadata