Youcheng Li
Community@xjtulyc · Peking
Machine Learning, Medical Imaging, Spatial Transcriptome
Agent Skills by Youcheng Li
Showing 168 vetted skills indexed across 1 GitHub repositories.
xjtulyciiif-digital-collections
Fetches and parses IIIF Presentation manifests to extract metadata, images, and annotations.
xjtulyclibrosa-audio
Extract MIR features from audio and retrieve similar tracks via k-NN.
xjtulycmusic21-score
Extract harmonies, melodic contours, and voice-leading violations from music21 scores.
xjtulycimage-analysis-art
Extract CNN embeddings and color/texture descriptors from painting images.
xjtulycagri-remote-sensing
Extract cloud-masked NDVI/EVI/LSWI time series and phenological metrics from Sentinel-2 imagery.
xjtulycfood-systems-data
Download FAOSTAT production, trade, and food balance sheet data into pandas DataFrames.
xjtulyccrop-modeling
Generate crop growth simulations and yield-gap decomposition using PCSE models with NASA POWER weather data.
xjtulycsoil-data
Retrieve soil properties from SoilGrids 2.0 and SSURGO, then compute SOC stocks and USDA texture classes.
xjtulycphotogrammetry-3d
Reconstruct archaeological 3D geometry from photogrammetry point clouds with Open3D.
xjtulycarchaeological-gis
Transform archaeological site coordinates into spatial clustering, density, and territory outputs.
xjtulycartifact-analysis
Transform coded ceramic and lithic attributes into contingency tables and statistical summaries.
xjtulycradiocarbon-dating
Calibrate radiocarbon measurements into calendar-age probability distributions with HPD intervals.
xjtulycfinancial-time-series
Fit GARCH-family volatility models and run cointegration tests on financial time series.
xjtulycoptions-pricing
Compute option prices and implied volatility using Black-Scholes, Monte Carlo, and CRR binomial tree methods.
xjtulycfactor-models
Estimate Fama-French factor models with OLS regression and GRS tests.
xjtulycportfolio-optimization
Optimize multi-asset allocations using mean-variance, Black-Litterman, and risk parity methods.
xjtulycevent-study
Estimate abnormal returns and test event significance with CAR and BHAR.
xjtulycwrds-data-access
Retrieve Compustat, CRSP, and TAQ datasets from WRDS via the Python API.
xjtulycfixed-income
Price bonds and compute duration, convexity, and DV01 with Python.
xjtulycirt-psychometrics-edu
Estimate 2PL/3PL IRT item parameters and compute ICC, IIF, TIF, and SEM.
xjtulycedm-learning-analytics
Predict student learning outcomes from LMS event logs and assessment data.
xjtulycpisa-international
Analyzes PISA/TIMSS plausible values and BRR weights to compute country estimates and uncertainties.
xjtulyclearning-experiment
Model student responses and learning over time for educational experiments.
xjtulycmeta-analysis
Pool effect sizes across studies with fixed/random-effects models and heterogeneity metrics.