Struct GraphStats 

pub struct GraphStats {
    pub subject_count: usize,
    pub object_count: usize,
    pub node_count: usize,
    pub edge_count: usize,
    pub predicate_count: usize,
    pub density: f64,
    pub avg_out_degree: f64,
    pub max_out_degree: usize,
    pub avg_in_degree: f64,
    pub max_in_degree: usize,
    pub self_loop_count: usize,
}

Comprehensive statistics about an RDF graph.

Fields

subject_count: usize

Total number of unique subjects

object_count: usize

Total number of unique objects

node_count: usize

Total number of unique nodes (subjects union objects)

edge_count: usize

Total number of triples (edges)

predicate_count: usize

Number of unique predicates

density: f64

Graph density: edges / (nodes * (nodes-1)) for directed graphs

avg_out_degree: f64

Average out-degree (edges per subject)

max_out_degree: usize

Maximum out-degree

avg_in_degree: f64

Average in-degree (edges per object)

max_in_degree: usize

Maximum in-degree

self_loop_count: usize

Self-loop count (subject == object)

Implementations

impl GraphStats

pub fn compute(triples: &[(String, String, String)]) -> Self

Compute stats from a list of (subject, predicate, object) triples.

pub fn is_empty(&self) -> bool

Is the graph empty?

pub fn summary(&self) -> String

Human-readable summary.

Trait Implementations

impl Clone for GraphStats

fn clone(&self) -> GraphStats

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for GraphStats

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for GraphStats

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for GraphStats

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.