hrv

Heart Rate Variability (HRV) reflects the variation in time intervals between consecutive heartbeats, providing insights into autonomic nervous system regulation, cardiovascular health, and psychological state. NeuroKit2 provides…

Skills
Scientific
0

What it does and how to use it

A skill that teaches Claude Code to do scientific tasks well. It is packaged knowledge the model uses whenever it is relevant.

Install the skill (command above).
In Claude Code, describe what you need - the skill turns on by itself when the context fits.
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Install (Claude Code)

mkdir -p .claude/skills/hrv && curl -fsSL https://doutorai.pt/data/lib/skills__hrv.md -o .claude/skills/hrv/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

# Heart Rate Variability (HRV) Analysis

## Overview

Heart Rate Variability (HRV) reflects the variation in time intervals between consecutive heartbeats, providing insights into autonomic nervous system regulation, cardiovascular health, and psychological state. NeuroKit2 provides comprehensive HRV analysis across time, frequency, and nonlinear domains.

## Main Function

### hrv()

Compute all available HRV indices at once across all domains.

```python
hrv_indices = nk.hrv(peaks, sampling_rate=1000, show=False)
```

**Input:**
- `peaks`: Dictionary with `'ECG_R_Peaks'` key or array of R-pe

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