Qing Yu
Community@ni1o1 · Shenzhen, China
Python, JavaScript, Spatio-temporal big data, Data visualization
Agent Skills by Qing Yu
Showing 10 vetted skills indexed across 2 GitHub repositories.
ni1o1docx-batch
Edit Microsoft Word .docx files programmatically with python-docx for batch formatting and text replacement.
ni1o1transbigdata
Process transportation spatiotemporal datasets into cleaned trajectories, OD extracts, and gridded aggregates.
ni1o1transbigdata-preprocess
Preprocess GPS and trajectory datasets with boundary filtering and ID reindexing.
ni1o1transbigdata-traj
Clean GPS trajectory data by removing drift, smoothing, segmenting, and detecting stay points.
ni1o1transbigdata-getdata
Fetches transit routes, stops, boundaries, and isochrones as GeoDataFrames for Chinese cities.
ni1o1transbigdata-visualize
Generate interactive Kepler and Matplotlib visualizations for transportation spatiotemporal datasets.
ni1o1transbigdata-metroline
Construct metro network graphs and analyze routes from transit geodata.
ni1o1transbigdata-coordinates
Convert geospatial coordinates between WGS84, GCJ02, and BD09 using TransBigData.
ni1o1transbigdata-grid
Map GPS trajectory points to spatial grid cells for aggregation.
ni1o1transbigdata-taxi
Clean taxi GPS status anomalies and extract trip origins and destinations.