data-scientist
You are a data scientist with expertise in statistical analysis, machine learning, data visualization, and experimental design. Use when: statistical analysi... Skill: data-scientist Owner: mtsatryan Summary: You are a data scientist with expertise in statistical analysis, machine learning, data visualization, and experimental design. Use when: statistical analysi... Tags: latest:1.0.0 Version history: v1.0.0 | 2026-04-30T12:42:45.733Z | user Initial release — part of 188 AI agent skills collection by MTNT Solutions Archive index: Archive v1.0.0: 4 files, 9247 bytes Files: r
Rank
62
Safety
84
Downloads
1.1k
Updated
Oct 11, 2026
Version
1.0.0
Source
CLAWHUB
About
What it does, and when to use it.
Capability contract not published. No trust telemetry is available yet. 1.1K downloads reported by the source. Last updated 10/11/2026.
Avoid when
- Contract metadata is missing or unavailable for deterministic execution.
Risk flags: missing_or_unavailable_contract, trust_data_unavailable, schema_references_missing
Public facts
Every fact links back to the source it came from.
- Vendor
- Clawhubvendor · observed Oct 11, 2026
- Protocol compatibility
- OpenClawcompatibility · observed Oct 11, 2026
- Adoption signal
- 1.1K downloadsadoption · observed Oct 11, 2026
- Latest release
- 1.0.0release · observed Apr 30, 2026
- Handshake status
- UNKNOWNsecurity
Install and run
Setup complexity: low.
clawhub skill install s17bvyvkfhp17ybx0q3ak5dcsn85nqpv:ah-data-scientist- Setup complexity is LOW. This package is likely designed for quick installation with minimal external side-effects.
- Final validation: Expose the agent to a mock request payload inside a sandbox and trace the network egress before allowing access to real customer data.
Contract: missing
curl -s "https://www.xpersona.co/api/v1/agents/clawhub-mtsatryan-ah-data-scientist/snapshot"
Documentation
CLAWHUB
29,706 characters of source documentation, loaded on request.
Extracted files
4 files captured from the source.
SKILL.md
--- name: data-scientist description: 'You are a data scientist with expertise in statistical analysis, machine learning, data visualization, and experimental design. Use when: statistical analysis and hypothesis testing, machine learning model development and evaluation, data visualization and storytelling, experimental design and a/b testing, feature engineering and selection.' --- # Data Scientist You are a data scientist with expertise in statistical analysis, machine learning, data visualization, and experimental design. ## Core Expertise - Statistical analysis and hypothesis testing - Machine learning model development and evaluation - Data visualization and storytelling - Experimental design and A/B testing - Feature engineering and selection - Time series analysis and forecasting - Deep learning and neural networks - Causal inference and econometrics ## Technical Skills - **Languages**: Python, R, SQL, Scala, Julia - **ML Libraries**: scikit-learn, XGBoost, LightGBM, CatBoost - **Deep Learning**: TensorFlow, PyTorch, Keras, JAX - **Data Manipulation**: pandas, numpy, polars, dplyr - **Visualization**: matplotlib, seaborn, plotly, ggplot2, Tableau - **Big Data**: Spark, Dask, Ray, Databricks - **Cloud Platforms**: AWS SageMaker, Google AI Platform, Azure ML ## Statistical Analysis Framework > 📎 **Code example 1** (python) — see [references/examples.md](references/examples.md) ## Machine Learning Pipeline > 📎 **Code example 2** (python) — see [references/examples.md](references/examples.md) ## Time Series Analysis > 📎 **Code example 3** (python) — see [references/examples.md](references/examples.md) ## A/B Testing Framework > 📎 **Code example 4** (python) — see [references/examples.md](references/examples.md) ## Data Visualization Suite > 📎 **Code example 5** (python) — see [references/examples.md](references/examples.md) ## Best Practices 1. **Data Quality**: Always validate and clean data before analysis 2. **Reproducibility**: Use random seeds and version control for experiments 3. **Cross-Validation**: Use proper validation techniques to avoid overfitting 4. **Feature Engineering**: Invest time in creating meaningful features 5. **Model Interpretability**: Use SHAP, LIME for model explanation 6. **Statistical Significance**: Don't confuse statistical and practical significance 7. **Documentation**: Document assumptions, methodologies, and findings ## Experimental Design - Design experiments with proper controls and randomization - Calculate required sample sizes before data collection - Account for multiple testing corrections - Use appropriate statistical tests for your data type - Consider confounding variables and bias sources - Plan for missing data and outlier handling ## Approach - Start with exploratory data analysis and data quality assessment - Define clear hypotheses and success metrics - Choose appropriate statistical methods and models - Validate results using multiple approaches - Communicate findings with
_meta.json
{
"ownerId": "kn7fhxm2kjnxpxwkk5x3h3xj1985nhw1",
"slug": "ah-data-scientist",
"version": "1.0.0",
"publishedAt": 1777552965733
}references/examples.md
# Data Scientist — Code Examples
## Example 1
```python
import pandas as pd
import numpy as np
import scipy.stats as stats
from scipy.stats import ttest_ind, chi2_contingency, mannwhitneyu
import matplotlib.pyplot as plt
import seaborn as sns
from sklearn.preprocessing import StandardScaler
from sklearn.model_selection import train_test_split
from sklearn.metrics import classification_report, confusion_matrix
class StatisticalAnalyzer:
def __init__(self, data):
self.data = data
self.results = {}
def descriptive_statistics(self, columns=None):
"""Generate comprehensive descriptive statistics"""
if columns is None:
columns = self.data.select_dtypes(include=[np.number]).columns
stats_summary = {}
for col in columns:
stats_summary[col] = {
'count': self.data[col].count(),
'mean': self.data[col].mean(),
'median': self.data[col].median(),
'std': self.data[col].std(),
'min': self.data[col].min(),
'max': self.data[col].max(),
'q25': self.data[col].quantile(0.25),
'q75': self.data[col].quantile(0.75),
'skewness': stats.skew(self.data[col].dropna()),
'kurtosis': stats.kurtosis(self.data[col].dropna())
}
return pd.DataFrame(stats_summary).T
def hypothesis_testing(self, group_col, target_col, test_type='auto'):
"""Perform appropriate hypothesis tests"""
groups = self.data[group_col].unique()
if len(groups) != 2:
raise ValueError("Currently supports only two-group comparisons")
group1 = self.data[self.data[group_col] == groups[0]][target_col].dropna()
group2 = self.data[self.data[group_col] == groups[1]][target_col].dropna()
# Normality tests
_, p_norm1 = stats.shapiro(group1.sample(min(5000, len(group1))))
_, p_norm2 = stats.shapiro(group2.sample(min(5000, len(group2))))
# Equal variance test
_, p_var = stats.levene(group1, group2)
results = {
'group1_size': len(group1),
'group2_size': len(group2),
'group1_mean': group1.mean(),
'group2_mean': group2.mean(),
'normality_p1': p_norm1,
'normality_p2': p_norm2,
'equal_variance_p': p_var
}
# Choose appropriate test
if test_type == 'auto':
if p_norm1 > 0.05 and p_norm2 > 0.05:
# Both normal, use t-test
if p_var > 0.05:
# Equal variances
stat, p_value = ttest_ind(group1, group2)
test_used = "Independent t-test (equal variances)"
else:
# Unequal variances
stat, p_value = ttest_ind(group1, group2, equal_var=False)
skill-card.md
## Description: You are a data scientist with expertise in statistical analysis, machine learning, data visualization, and experimental design. This skill is ready for commercial/non-commercial use. ## Publisher: [mtsatryan](https://clawhub.ai/user/mtsatryan) ### License/Terms of Use: MIT-0 ## Use Case: Developers, analysts, and data science teams use this skill to plan and produce statistical analyses, machine learning workflows, visualizations, experimental designs, and reproducible data science deliverables. ### Deployment Geography for Use: Global ## Known Risks and Mitigations: Risk: Generated analysis code may process local or sensitive datasets and may rely on third-party Python libraries in the user's environment. Mitigation: Review generated analysis code before running it, especially on sensitive data, and confirm dependencies and data handling practices fit the deployment environment. Risk: Statistical or machine learning guidance can be misapplied if assumptions, validation choices, or data quality issues are not checked. Mitigation: Validate datasets, methods, assumptions, and model results before using outputs for decisions. ## Reference(s): - [Data Scientist Code Examples](references/examples.md) ## Skill Output: **Output Type(s):** [text, markdown, code, guidance] **Output Format:** [Markdown with code examples and analysis guidance] **Output Parameters:** [1D] **Other Properties Related to Output:** [May include reproducible analysis code, statistical interpretations, visualizations, notebook-style explanations, assumptions, limitations, and recommendations.] ## Skill Version(s): 1.0.0 (source: server release evidence) ## Ethical Considerations: Users should evaluate whether this skill is appropriate for their environment, review any generated or modified files before relying on them, and apply their organization's safety, security, and compliance requirements before deployment.
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Machine-readable data
The same record, as JSON, for agents and crawlers.
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}Record generated Oct 11, 2026.
