JavaScript

Criminology and sociolegal statistics: the C++ kernels of the R and Python packages crimlab, built to WebAssembly, with the crimlab command. No dependencies; the module sees no files and no network.

npx crimlab orrisk --or 2 --rate 0.1 --share 0.3
echo '{"done": [30, 45, 60], "open": [100, 150]}' | npx crimlab losbnd -j
npx crimlab -l          # every function and its arguments

import crimlab, { jrun, jfns } from 'crimlab';

crimlab.orrisk({ or: 2, rate: 0.1, share: 0.3 });
// { exposed: 0.1475..., unexposed: 0.0796..., rr: 1.8524..., or: 2 }
jrun('vodtst', { day: { a: 40, b: 60 }, night: { a: 50, b: 50 }, ref: 'b' });

Every function of the Python package is here under its R name, with the same named arguments, checks and results. A data frame is an object of columns, a named vector an object of numbers, a missing value null, and a number JSON cannot hold the string "NaN", "Inf" or "-Inf". An object given for a per-group argument names the groups. A refused call throws an Error whose message names the function and what is wrong.

Node 18 or later, or any browser with WebAssembly (the module is fetched next to lib/). Licence: Apache-2.0 WITH LLVM-exception.