Changelog

Source: NEWS.md

sparr 2.3-10

  • Incorporated new shrinkage estimator of spatial relative risk

Significant user-visible changes

  • risk: New arguments shrink and shrink.args implemented for shrinkage estimator

sparr 2.2-172022-11-10

  • Further further updated to handle new spatstat structure

sparr 2.2-162022-02-20

  • Further updated to handle new spatstat structure

sparr 2.2-152021-03-16

  • Updated internals to handle new spatstat structure

sparr 2.2-14

  • Improved handling of rmdiag in BOOT.density for large datasets
  • Increased text output when running BOOT.density for fixed bandwidth with auto.optim=TRUE

sparr 2.2-132018-09-16

  • Changed default of hold argument in SLIK.adapt
  • Finer control when plotting rrst objects
  • Reference updates

Significant user-visible changes

  • SLIK.adapt: Argument hold now defaults to TRUE
  • plot.rrst: New argument expscale for raw-risk scale on image plots of log-relative risk surfaces

sparr 2.2-122018-07-22

  • Added optim.control argument to SLIK.adapt
  • Added internal maximum bandwidth limit to SLIK.adapt
  • Minor bugs squashed, doc updates

sparr 2.2-112018-03-10

  • Updated citation information and package description

sparr 2.2-01

  • New experimental function SLIK.adapt for simultaneous global-pilot bandwidth selection for adaptive densities
  • Newly visible function rimpoly for random point generation
  • Additional control over small bandwidth action in leave-one-out bandwidth selectors
  • Improved edge-correction calculations for brute force adaptive leave-one-out
  • Updated citation information and documentation corrections

New Functions

  • rimpoly: Random spatial point generation based on a pixel image, returned with a polygonal window
  • SLIK.adapt: Simultaneous bandwidth selector for global and pilot bandwidth for adaptive density estimates based on likelihood cross-validation

Significant user-visible changes

  • LIK.density, LSCV.density: New argument zero.action to provide greater control over the behaviour of leave-one-out calculations at very small bandwidths.

sparr 2.1-142017-11-12

  • Updated citation information

sparr 2.1-132017-09-28

  • Minor documentation link corrections

sparr 2.1-122017-08-27

  • Includes weights argument for bivariate.density

sparr 2.1-112017-08-02

  • Citation information and NEWS file changes.

sparr 2.1-102017-07-17

  • MAJOR CHANGES since versions <= 0.3-8; NO BACKWARDS COMPATIBILITY
  • Accompanying tutorial currently submitted for publication; contact maintainer for preprint or see https://arxiv.org/abs/1707.06888
  • User is directed to the examples as part of help("sparr") for further assistance

New Functions

  • LIK.density, BOOT.density: New functions for bivariate density bandwidth selection.
  • multiscale.density, multiscale.slice: Multi-scale adaptive kernel density estimation.
  • OS.spattemp, NS.spattemp, LSCV.spattemp, LIK.spattemp, BOOT.spattemp: Bandwidth selection for spatiotemporal bandwidth selection.
  • spattemp.density, spattemp.risk, spattemp.slice: Spatiotemporal density and relative risk estimation.
  • plot.stden, plot.msden, plot.rrst, tol.contour: New plotting functions.
  • burk, fmd: New datasets.

Significant user-visible changes

  • bivariate.density, risk, tolerance, LSCV.density, LSCV.risk, OS, NS, plot usage changed.
  • Significant speed improvements.