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fixed lambda

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randogoth 2024-03-19 12:49:22 +02:00
parent 31ec2137e4
commit 9c4d3a5a7a
1 changed files with 3 additions and 1 deletions
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4
src/main.rs
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@ -353,7 +353,7 @@ fn dtscan(
fn improbability_z_score(total_area: f32, total_dots: u32, sub_area: f32, sub_dots: u32) -> f32 {
// expected dots for the area under a Complete Spatial Randomness scenario
let csr_lambda: f32 = total_dots as f32 - ( sub_area / total_area);
let csr_lambda: f32 = (total_dots as f32) * ( sub_area / total_area);
// Z-Score to quantify how improbable a cluster or void is in relation to CSR
let z_score: f32 = (sub_dots as f32 - csr_lambda) / csr_lambda.sqrt();
z_score
@ -453,6 +453,8 @@ fn main() {
let clusters: Vec<Vec<usize>> = dtscan(&geometry_data, min_pts, max_closeness);
duration = start.elapsed();
println!("Found {:#?} Attractors using {:#?} bytes of RAM in: {:#?}", clusters.len(), mem::size_of_val(&clusters), duration);
// Postprocess
let area: f64 = std::f64::consts::PI * (radius as f64).powi(2);
let anomalies = postprocess(points, void_polygons, clusters, &geometry_data, area as f32, dots as u32);
println!("{:?}", anomalies)