WalrusQuant

26 mods across 2 repositories, 51 stars between them.

anti-slop-analytics

01

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Review sports figures, tables, notebooks, and reports for chartjunk, fake certainty, cropped axes, baseline erasure, metric laundering, and weak reproducibility. Use when asked to clean up or audit analytical presentation.

46 4d ago A 49 tokens

baseline-models

02

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Design and evaluate simple sports prediction baselines before accepting more complex models. Use for constant-rate, home-advantage, logistic, Elo-style, or market-reference comparisons.

46 4d ago A 38 tokens

calibration-check

03

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Evaluate whether sports-model probabilities match observed frequencies. Use for Brier score, log loss, reliability bins, ECE, segment checks, and recalibration decisions.

46 4d ago A 36 tokens

data-sources

04

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Choose public sports data sources for a modeling question across NFL, NBA, MLB, NHL, college sports, soccer, and more. Use before acquisition code or whenever source coverage, grain, licensing, or historical depth is unclear.

46 4d ago A 49 tokens

eda-sports

05

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Exploratory data analysis for user-provided sports data: grain, key integrity, coverage, missingness, entity balance, base rates, outliers, structural breaks, and leakage red flags. Use before feature engineering or model fitting.

46 4d ago A 51 tokens

environment-setup

06

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Create and verify a portable Python environment for sports analysis. Use for machine setup, onboarding, dependency diagnosis, or reproducibility checks.

46 4d ago A 30 tokens

experiment-log

07

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Record sports-modeling experiments with the hypothesis, data cut, validation charter, metrics, leakage status, decision, commands, and artifacts. Use for trials, model comparisons, and reproducible research history.

46 4d ago A 43 tokens

feature-rules

08

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Define, review, and document point-in-time legal sports-model features. Use when creating rolling form, rest, matchup, rating, roster, injury, or contextual predictors.

46 4d ago A 38 tokens

leakage-audit

09

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Audit sports modeling tables and workflows for target, temporal, join, preprocessing, and split leakage. Use before trusting backtests or reported predictive performance.

46 4d ago A 35 tokens

model-card

10

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Write a durable sports model card covering identity, intended use, target, decision time, data, features, baselines, validation, results, limits, maintenance, and kill conditions. Use when freezing or sharing a model.

46 4d ago A 47 tokens

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Interpret sports models using held-out predictions, coefficients, error slices, largest misses, calibration context, and stability checks. Use after time-aware evaluation when explaining what drives a model and where it fails.

46 4d ago A 44 tokens

nflreadpy

12

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Load NFL schedules, play-by-play, rosters, and player or team statistics directly from nflverse with nflreadpy. Use for NFL acquisition, schema review, bounded snapshots, and preparing user-owned analysis artifacts.

46 4d ago A 48 tokens

predictive-modeling

13

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Build and evaluate predictive sports models from user-provided modeling data. Use for binary outcome models, feature/model selection, chronological backtests, probability scoring, and comparison to baselines.

46 4d ago A 41 tokens

pybaseball

14

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Load MLB Statcast, batting, pitching, standings, and player lookup data directly with pybaseball. Use for bounded pitch-level pulls, season tables, schema checks, and user-owned baseball data artifacts.

46 4d ago A 45 tokens

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Build and evaluate sports strength models, including sequential Elo ratings, offense/defense splits, power ratings, and strict pre-event matchup features. Use for rankings, opponent adjustment, and strong prediction baselines.

46 4d ago A 46 tokens

results-reporting

16

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Report sports analysis and modeling results with the question, data, methods, validation, baselines, metrics, interpretation, limits, figures, and reproduction pointers. Use for research notes, reports, and final answers.

46 4d ago A 46 tokens

simulation-sports

17

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Simulate game and season outcomes from user-supplied probabilities or ratings, summarize uncertainty, and test sensitivity to assumptions. Use for standings, win totals, matchup distributions, and scenario analysis.

46 4d ago A 42 tokens

sports-ds-bridge

18

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Connect the optional sportsds Python toolkit to the standalone sports analytics skills. Use when the user explicitly mentions sportsds, wants its NFL/NBA/MLB public-data loaders or CLI, needs toolkit setup/troubleshooting, or wants to convert toolkit output into a skill's documented input artifact.

46 4d ago A 64 tokens

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Define a sports analysis or prediction question, grain, decision time, baselines, primary metrics, validation, and acceptance criteria before choosing algorithms. Use at the start of any sports modeling project.

46 4d ago A 44 tokens

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Create honest sports-analysis figures from user-owned data, including distributions, rates, rating trajectories, calibration plots, and walk-forward metric comparisons. Use for exploration and communication.

46 4d ago A 38 tokens

sportsdataverse-py

21

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Load public multi-sport data directly with SportsDataverse Python. Use for NBA, MLB, NHL, college sports, soccer, and other supported league sources when a user needs schedules, box scores, rosters, or event data.

46 4d ago A 53 tokens

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Guided statistical modeling for user-provided sports data: selecting models for binary, continuous, and count outcomes; assumption checks; effect sizes; time-aware inference; GLM diagnostics; and complete reporting.

46 4d ago A 45 tokens

time-series-sports

23

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Engineer and compare time-safe sports form features. Use for rolling windows, EWMA, rest, schedule gaps, early-season handling, and chronological evaluation.

46 4d ago A 35 tokens

validation-design

24

WalrusQuant/sports-analytic-skills

Skill Claude CodeCodex

Design chronological sports-model validation and a written evaluation charter. Use for walk-forward splits, grouped time folds, metric locking, tuning boundaries, and go/no-go rules.

46 4d ago A 36 tokens