Ryan Williams

Software developer Jersey City

TileDB

Staff Software Engineer TileDB-SOMA

Training models on atlas-scale single-cell datasets
First stable iteration of Census PyTorch loaders
TileDB-SOMA-ML: PyTorch / Lightning loaders for SOMA data

iRe interactive Reports

ire.runsascoded.com

export tables/plots from notebook cells
browse notebooks with interactive tables/plots

∧p∨d area-proportional venn diagrams

runsascoded.com/apvd

auto-diff quartic solver + gradient descent
create + train area-proportional Venn diagrams

Transportation data / advocacy

Bike JC

Embankment Preservation Coalition

ctbk.dev Citi Bike data pipelines + dashboard
crashes.hudcostreets.org crash data dashboard
path.hudcostreets.org PATH ridership data
map.bikejc.org Ward / bike lane map
@neighborryan 360° ebike ride videos

Dotfiles:

Select submodules:

PyPI packages

Execute shell pipelines, diff/compare results
Stdlib complements / utilities
Import standard library: from stdlb import *
Embed Bash commands / TOCs in READMEs
View/Slice Jupyter notebooks (Jupyter + jq)
Diff DVC-tracked files

NPM packages

Stdlib complements, TypeScript / React utils
DuckDB + React: SSR + SQL, client + server
Next.js utils: <Link>, <Head>, <Nav>, Config
Plotly utils for Next.js
Leaflet utils for Next.js
Persist Next.js app state in URL parameters
Markdown utils for Next.js
React + sql.js-httpvfs: SQLite for web

Scala/Spark libraries, talks

Hammer Lab / Mt Sinai, 2014-2021

: Spark dashboards
: reactive Spark web UI
: Spark-based somatic variant caller
: ScalaTest+Spark utilities
: collection algorithms for Spark RDDs
: split/load BAM files with Spark
: type-level ADT traversals
: N-D arrays, Zarr / HDF5 bindings
: parallel suffix-array construction with Spark