cdlTools - Tools to Download and Work with USDA Cropscape Data
Downloads USDA National Agricultural Statistics Service (NASS) cropscape data for a specified state. Utilities for fips, abbreviation, and name conversion are also provided. Full functionality requires an internet connection, but data sets can be cached for later off-line use.
Last updated
4.94 score 12 stars 146 scripts 344 downloadsmeanShiftR - A Computationally Efficient Mean Shift Implementation
Performs mean shift classification using linear and k-d tree based nearest neighbor implementations for the Gaussian, Epanechnikov, and biweight product kernels.
Last updated
openmp
4.60 score 4 stars 1 dependents 50 scripts 1.3k downloadsSamplingBigData - Sampling Methods for Big Data
Select sampling methods for probability samples using large data sets. This includes spatially balanced sampling in multi-dimensional spaces with any prescribed inclusion probabilities. All implementations are written in C with efficient data structures such as k-d trees that easily scale to several million rows on a modern desktop computer.
Last updated
4.52 score 10 stars 2 dependents 11 scripts 422 downloadsrasterKernelEstimates - Kernel Based Estimates on in-Memory Raster Images
Performs kernel based estimates on in-memory raster images from the raster package. These kernel estimates include local means variances, modes, and quantiles. All results are in the form of raster images, preserving original resolution and projection attributes.
Last updated
openmp
3.35 score 3 stars 15 scripts 166 downloads