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(Russian лягушка [lʲɪˈɡuʂkə]: frog)
Lyagushka is a Rust command-line tool inspired by Fatum Project's 'Zhaba' algorithm (Russian 'жаба': toad) that analyzes a one-dimensional dataset of integers to identify clusters of closely grouped "attractor" points and significant "void" gaps between these clusters. It calculates z-scores for each cluster or gap to measure their statistical significance relative to the dataset's mean density and distance between points. The analysis results, including attractors, voids, and their z-scores, are output as a JSON string.
Lyagushka is a Rust command-line tool inspired by Fatum Project's ['Zhaba' algorithm](https://gist.github.com/randogoth/ab5ab9e8665303be176f16241e7b26b5) (Russian 'жаба': toad) and expands upon it for more versatility.
It is an algorithm that analyzes a one-dimensional dataset of integers to identify clusters of closely grouped "attractor" points and significant "void" gaps between these clusters. It calculates z-scores for each cluster or gap to measure their statistical significance relative to the dataset's mean density and distance between points. The analysis results, including attractors, voids, and their z-scores, are output as a JSON string.
## Building
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### Output
The tool outputs a JSON string that includes details about the identified clusters and gaps, along with their respective z-scores. Here's an example of the JSON output format:
The tool outputs a JSON string that includes details about the identified attractors and voids, along with their respective z-scores. Here's an example of the JSON output format:
```json
[
...
{
"span_length": 1.0,
"num_elements": 2,
"centroid": 1.5,
"z_score": -1.23
},
{
"span_length": 8.0,
"num_elements": 0,
"centroid": 6.0,
"z_score": 2.45
}
"elements": [ 722, 722, 722, 725, 725, 726, 726, 726],
"start": 722,
"end": 726,
"span_length": 4,
"num_elements": 8,
"centroid": 724.0,
"z_score": 1.19528
},
{
"elements": [],
"start": 732,
"end": 740,
"span_length": 8,
"num_elements": 0,
"centroid": 736.0,
"z_score": -1.13359
},
...
]
```