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Rvoterdistance - Voter Distance to Polling Locations and Geographic Boundaries

Calculates the distance between each voter in a voter file (given lat/long coordinates or sf point geometries) and multiple polling or vote-by-mail drop box locations. Returns nearest location, k-nearest locations, or all locations within a distance threshold. Also computes minimum distance from voters to geographic boundaries such as rivers, state borders, or district lines provided as 'sf' line or polygon geometries. Core computation uses the Haversine formula and spherical cross-track distance implemented in C++ via 'Rcpp'.

Last updated

cpp

4.11 score 13 scripts 32 downloads

RTextTools - Automatic Text Classification via Supervised Learning

A machine learning package for automatic text classification that makes it simple for novice users to get started with machine learning, while allowing experienced users to easily experiment with different settings and algorithm combinations. The package includes eight algorithms for ensemble classification (svm, slda, boosting, bagging, random forests, glmnet, decision trees, neural networks), comprehensive analytics, and thorough documentation.

Last updated

3.86 score 1 stars 808 scripts 341 downloads