NEWS

---

cholera 0.9.1.9122

• amend stop()'s in validateCase().

cholera 0.9.1.9121

• amend stop() and code for character IDs in validateCase().

cholera 0.9.1.9120

• set validateCase(case.set = "observed") and amend named landmarks code.

cholera 0.9.1.9119

• remove 'include.landmarks' argument from caseCaseEucl().
• add/amend St James Workhouse code.
• exclude landmarks when euclideanPath(destination = NULL).

cholera 0.9.1.9118

• amend landmark "Square"(s) in plot.euclidean_path().

cholera 0.9.1.9117

• add identical origin and destination stop() in euclideanPath().
• remove case.set = "expected" convenience fix.

cholera 0.9.1.9116

• fix caseCase() for walkingPath(destination = NULL).

cholera 0.9.1.9115

• update roxygen2 version to "8.0.0".

cholera 0.9.1.9114

• fix coincident case 369 and landmark 1019 (St James Workhouse) in caseCase().

cholera 0.9.1.9113

• amend and reformat stop()'s in validateCase().

cholera 0.9.1.9112

• fix "last-mile" arrow in plot.walking_path() and milePosts().

cholera 0.9.1.9111

• amend caseCase() and add case.set argument.

cholera 0.9.1.9110

• format pumpPump().

cholera 0.9.1.9109

• include landmarks in casePump().

cholera 0.9.1.9108

• remove coincident nodes from edges data frame.

cholera 0.9.1.9107

• fix computation of paths for walkingPath(weighted = FALSE).

cholera 0.9.1.9106

• allow coincident nodes in nodes data frame.

cholera 0.9.1.9105

• add exception for sohoGraph(embed.pumps = TRUE) output.

cholera 0.9.1.9104

• enable multiple cores for distances in embedNodes().

cholera 0.9.1.9103

• add/set walkingPath(multi.core = FALSE).

cholera 0.9.1.9102

• add/set sohoGraph(multi.core = FALSE) for embedNodes() - for case.set = "expected".

cholera 0.9.1.9101

• amend stop() message in validateCase().

cholera 0.9.1.9100

• amend euclideanAreaPoints() for case.set = "expected".

cholera 0.9.1.9099

• amend euclideanStar() for case.set = "expected".

cholera 0.9.1.9098

• amend plot.euclidean_path() for case.set = "expected".
• amend caseCaseEucl().
• amend validateCase(case.set = "expected").

cholera 0.9.1.9097

• add/set latlongSimulateFatalities(recompute.regular.cases = FALSE).

cholera 0.9.1.9096

• archive simulateFatalitiesB().

cholera 0.9.1.9095

• add new simulateFatalities() prototype.

cholera 0.9.1.9094

• (temporarily) amend case IDs in latlong.sim.ortho.proj.

cholera 0.9.1.9093

• amend euclideanNominal(brute.force = TRUE).

cholera 0.9.1.9092

• export classifierAudit() and its generic methods.

cholera 0.9.1.9091

• amend georeferenced data prototypes.

cholera 0.9.1.9090

• amend Time Series vignette.

cholera 0.9.1.9089

• add/set dataset = NULL and move 'statistic' and 'vestry' to timeSeries().
• amend plot.time_series().

cholera 0.9.1.9088

• amend plot.time_series() and pumpHandle().

cholera 0.9.1.9087

• remove 'ggplot2' code from timeSeries() - minimize package dependencies.

cholera 0.9.1.9086

• add new timeSeries() and plot.time_series() prototypes.

cholera 0.9.1.9085

• restore oxfordWeather() and oxford.weather data.

cholera 0.9.1.9084

• amend/fix streetLength(latlong = TRUE).

cholera 0.9.1.9083

• amend argument values in shape::Arrowhead().

cholera 0.9.1.9082

• use more accurate data.summary and path.data object names.
• use shape::Arrowhead() for mileposts in euclideanPath().

cholera 0.9.1.9081

• use more accurate data.summary and path.data object names.
• amend drawPath() syntax.
• amend milePosts().
• use shape::Arrowhead() for mileposts in walkingPath() (zero-length arrow fix).

cholera 0.9.1.9080

• export addFrame().

cholera 0.9.1.9079

• amend/restore ":" for polygon.err outliers in in plot.walking().

cholera 0.9.1.9078

• set pump ID to integer in latlong.ortho.pump.vestry, ortho.proj.pump.vestry and pumps.vestry.

cholera 0.9.1.9077

• allow NAs in midpointLatlong() for neighborhoodWalking(case.set = "expected").

cholera 0.9.1.9076

• amend code for polygon.err outliers in in plot.walking().

cholera 0.9.1.9075

• set 'pump' to numeric for neighborhoodWalking(vestry = FALSE).

cholera 0.9.1.9074

• use manual outliers rather than vonNeumannFilter() in plot.walking().
• add polygonVertexOutliers().
• archive cardinalDistances() and vonNeumannFilter().

cholera 0.9.1.9073

• add/use vonNeumannFilter() prototype.

cholera 0.9.1.9072

• add cardinalDistances().

cholera 0.9.1.9071

• copyedit georeferencing vignette.

cholera 0.9.1.9070

• draft georeferencing vignette.

cholera 0.9.1.9069

• add/set geoAudit(filtered = TRUE).

cholera 0.9.1.9068

• add geoAudit().

cholera 0.9.1.9067

• amend latlong.ortho.anchor for amended caseRoadClassificationFix().

cholera 0.9.1.9066

• add anchor 237 to segment "141-1" to caseRoadClassificationFix() for latlong.

cholera 0.9.1.9065

• set col = "black" with addFrame().

cholera 0.9.1.9064

• use invisible() in writeGPKG().

cholera 0.9.1.9063

• amend GeoPackage latlong coordinates.

cholera 0.9.1.9062

• fix title in plot.euclideanLatlong().

cholera 0.9.1.9061

• add/set plot.snow(snow.cases = FALSE, data.summary = TRUE).

cholera 0.9.1.9060

• fix plot.snow() for latlong = TRUE; add/set neighborhoodSnow(vestry = FALSE).

cholera 0.9.1.9059

• archive snowMap.latlong().

cholera 0.9.1.9058

• exclude "Map Frame" from addRoads().

cholera 0.9.1.9057

• amend geoCartesian() coordinates in latlong.regular.cases and latlong.sim.ortho.proj.

cholera 0.9.1.9056

• amend geoCartesian() coordinates in latlong.ortho.pump and latlong.ortho.pump.vestry

cholera 0.9.1.9055

• add/restore latlongOrthoPump().

cholera 0.9.1.9054

• use legend() with named pumps in plot.walking().

cholera 0.9.1.9053

• use legend() with named pumps in plot.voronoi_nominal() and plot.voronoi_latlong().

cholera 0.9.1.9052

• use exception for pump.select with pump names in euclideanLatlong() and euclideanNominal().

cholera 0.9.1.9051

• add summary.euclideanLatlong().

cholera 0.9.1.9050

• use legend() with named pumps in plot.euclidean() and plot.euclideanLatlong().

cholera 0.9.1.9049

• add shortPostfix().

cholera 0.9.1.9048

• amend stop() warnings and clean code in addVoronoi().

cholera 0.9.1.9047

• amend stop() warnings and clean code in addDelaunay().

cholera 0.9.1.9046

• add/amend stop() warnings in addDelaunay().

cholera 0.9.1.9045

• fix latlongVoronoiVertices() for 2 selected pumps.

cholera 0.9.1.9044

• add stop() warnings to voronoiPolygons().

cholera 0.9.1.9043

• add latlongOrthoAnchor().

cholera 0.9.1.9042

• replace "addr" with "anchor".

cholera 0.9.1.9041

• rename latlong.ortho.addr to latlong.ortho.anchor and use GPKG coordinates.

cholera 0.9.1.9040

• add streetNames() to error message in streetNameLocator().

cholera 0.9.1.9039

• use prototype GPKG longitude and latitude in Dodson & Tobler data.

cholera 0.9.1.9038

• include path argument in functions in writeGPKG() loop.

cholera 0.9.1.9037

• add "plague.pit.segments" to linestring.segs in latlongCoordinatesGPKG().

cholera 0.9.1.9036

• add writeGPKG().

cholera 0.9.1.9035

• amend data.sets in latlongGPKG().

cholera 0.9.1.9034

• add/set *GPKG(write.gpkg = TRUE) - translator functions.

cholera 0.9.1.9033

• update latlongCoordinatesGPKG().

cholera 0.9.1.9032

• fix landmarkGPKG() output.

cholera 0.9.1.9031

• add landmarkGPKG() and landmarkSquareGPKG().

cholera 0.9.1.9030

• add plagueGPKG() and plagueSegmentGPKG(); amend latlongCoordinatesGPKG().

cholera 0.9.1.9029

• add plaguePitSegments() and plague.pit.segments.

cholera 0.9.1.9028

• archive latlong PDF functions.

cholera 0.9.1.9027

• use cholera::fatalities.anchor in geoCartesian().

cholera 0.9.1.9026

• use cholera::fatalities.anchor in addCase().

cholera 0.9.1.9025

• add latlongGPKG().

cholera 0.9.1.9024

• archive old orthogonalProjectionFatalities().

cholera 0.9.1.9023

• rename fatalities.address to fatalities.anchor.

cholera 0.9.1.9022

• use cholera::fatalities.anchor and updated GPKGs in snowMap.latlong().

cholera 0.9.1.9021

• rename frameGPKG() to mapFrameSegmentGPKG() and add new frameGPKG().

cholera 0.9.1.9020

• add latlongCoordinatesGPKG().

cholera 0.9.1.9019

• rename roadGPKG() to roadSegmentGPKG() and add new roadGPKG().

cholera 0.9.1.9018

• add unstackedGPKG().

cholera 0.9.1.9017

• add snowMap.latlong() prototype.

cholera 0.9.1.9016

• use cholera::roads in addRoads() and addFrame().

cholera 0.9.1.9015

• add mapFrameGPKG().

cholera 0.9.1.9014

• amend file.nm in pumpsGPKG(vestry = TRUE) for QGIS bug.

cholera 0.9.1.9013

• use drop = FALSE in fatalitiesGPKG().
• remove append argument from *GPKG()'s.

cholera 0.9.1.9012

• add *GPKG() prototypes.

cholera 0.9.1.9011

• restore streetNameLocator(cases = NULL) code.

cholera 0.9.1.9010

• fix streetNameLocator(cases = NULL).

cholera 0.9.1.9009

• add diagnostic plot code and amend code in latlongCoordinates().

cholera 0.9.1.9008

• add/set sohoGraph(ellipsoid = "WGS") placeholder.

cholera 0.9.1.9007

• add/set snowMap(road.col = "gray").

cholera 0.9.1.9006

• add/set embedNodes(ellipsoid = "WGS").

cholera 0.9.1.9005

• add diagnostic plot code to partitionAddresses().

cholera 0.9.1.9004

• add thresholdAddressData() and amend thresholdAddressGraph().

cholera 0.9.1.9003

• enable streetNumberLocator(token = "id").

cholera 0.9.1.9002

• enable streetNameLocator(token = "id").

cholera 0.9.1.9001

• add print.snow() and summary.snow().

cholera 0.9.1.9000

• edit README and cholera-package.R.

cholera 0.9.1 (2025-05-01)

Georeferenced Data and Functions

• provisional support for (georeferenced) longitude and latitude for data and functions (for functions, set latlong = TRUE).

Data Changes

• add longitude and latitude to plague.pit data.
• add frame.segments
• amend road.segments with latlong data.
• use amended road.segments (w/ latlong) in various functions.

Documentation Changes

• restore .jpg and .png to README.
• restore NEWS.md to source file and amend markdown.

Function Changes

• rename neighborhoodData() to sohoGraph().
• add/set drop.isolates = FALSE in embedNodes() and neighborhoodData().
• add latlongPlaguePit() and plaguePitPDF().
• add/set addPlaguePit(latlong = FALSE).
• add rotatePoint(dataset = "plague.pit").
• vectorize addFrame(), addRoads() and landmarkPerimeter().
• add/set embedNodes(drop.isolates = TRUE).
• export isoVertices().
• add/set plot.iso_vertices(add = FALSE).
• rename isoLines() to isoPoints() and add/set isoPoints(add = FALSE).
• amend/simplify latlongOrthoAddress().
• archive latlongEmbed().
• rename squareCenter() in addLandmarks() to squareCenterB().
• amend pump 2 (Adam and Eve) warnings in casePump() and pumpPump().

Function Fixes

• correct class for sohoGraph() output.
• use cholera::roads$id rather than indices to fix latlongFrame().
• add variable check to latlongLandmarks() and landmarksPDF().
• fix typo in name of quadrantCoordinates().
• fix/amend pump 2 (Adam and Eve) warnings in casePump() and pumpPump().

cholera 0.9.0 (2025-03-13)

Georeferenced Data and Functions

• provisional support for (georeferenced) longitude and latitude for practically all data and functions (for functions, set latlong = TRUE).

Data Changes

• add and document missing Clifford Street segment; cliffordStreet().
• add/use cholera::meter.to.yard (1.093613).
• use "&" as longitude-latitude coordinates delimiter.
• set address of Model Lodging Houses to Hopkins Street
• set Lion Brewery address to Broad Street.
• add Marlborough Street Magistrates Court.
• add appendixB().
• archive oxford.weather.

Data Fixes

• add exception for pump 8 polygon for neighborhoodWalking(6:9, case.set = "expected").
• add Adam and Eve Court pump exception to neighborhoodWalking().
• add exception for single pump for pump.select in neighborhoodWalking().
• amend caseCase() for duplicate nodes: case 369 and St James Workhouse 1019.
• add case 296 to segment "137-3" in caseRoadClassificationFix().
• add cases 56 and 286 to segment "160-3" in caseRoadClassificationFix().
• amend case 440 in ortho.proj: use Euclidean distance to road endpoint.
• fix duplicate road segment endpoints (self-loops) in embedNodes().

Function Changes and Fixes

• faster implementation of neighborhoodWalking() and plot.walking(). See "Parallelization" vignette.
• parallelization off by default (multi.core = FALSE). See "Parallelization" vignette.
• allow negative values in plot methods zoom argument to "zoom out".
• change polygon.type from "perimeter" to "border".
• pair add*() with plot.*(add = FALSE).
• rename and amend snowNeighborhood() to neighborhoodSnow().
• move various auxiliary function files to various utils-*.R.
• archive addMilePosts(), oxfordWeather(), povertyLondon() and winterTemperatures().
• amend balance between orthogonal and Euclidean proximity in simulateFatalities().
• prioritize orthogonal over Euclidean in orthogonalProjectionFatalities().
• fix/enable vector of street names in streetNameLocator().
• migrate from sp::spDistsN1() to geosphere::distGeo().

Documentation

• update "Parallelization" vignette.
• use Internet Archive URLs for Frerichs's UCLA website links.
• note Dodson and Tobler data and code on Internet Archive's Wayback Machine.
• move vignettes online to GitHub repository.

cholera 0.8.0 (2023-03-01)

New Functions

• caseDistance().
• pumpFatalities().

New Data

• latlong.ortho.addr, latlong.ortho.pump and latlong.ortho.pump.vestry.
• frame.data.

Fixes

• fix addVoronoi(color).
• fix nearestPump(metric = "euclidean", vestry = TRUE).
• fix/change unitMeter(distance.unit = "native").
• use aes_string() in profile2D().

Data Changes

• use Poland Street as street address for St James Workhouse.
• re-compute ortho.proj with amended unstackFatalities().
• roadSegmentFix() places cases 440 and 145 on road segment "259-1".

Function Changes

• add exception for observed v. expected in neighborhoodData() via embedSites().
• add/set addCase(pch = 1, cex = 1, point.lwd = 2).
• add addCase(case %in% c("all", "anchor"), col = col).
• add/set addFrame(col = "black").
• add/set latlong = FALSE in addFrame() and addRoads().
• add/set plot.euclidean(add.title = TRUE).
• add/set plot.walking_path(stacked = TRUE).
• add/set segmentLocator(cex.text = 0.67).
• add/set streetHighlight(col = "red", lwd = 3).
• add/set walkingPath(null.origin.landmark = FALSE).
• add/use duplicateNode() in neighborhoodData() via embedSites().
• amend addVoronoi().
• amend error/exception handling in walkingPath().
• amend unstackFatalities() and use roadSegmentFix().
• fix/amend milePosts() for distance and time.

Longitude and Latitude Prototypes

• add/set snowMap(latlong = FALSE).
• add/set addPump(latlong = FALSE).
• add/ser roadSegments(latlong = FALSE).
• add/set voronoiPolygons(latlong = FALSE).
• latlongNeighborhoodVoronoi().
• latlongNeighborhoodWalking().
• latlongWalkingPath().

Documentation

• note on "computing Voronoi diagrams with geographic data".

Archived/Deprecated Functions

• roadHighlight().

cholera 0.7.9 (2021-10-11)

Note

• an interim release to address code changes in 'deldir' v1.0-2.

New Function

• add streetNames().

Data Change

• amend oxford.weather data to include entire data set.

Fixes

• amend code for 'deldir' v1.0-2: addDelaunay().
• fix addSnow().
• fix pumpTokens() for plot.walking(type = "roads").

Function Changes

• add/set addPump(cex = 1).
• add/set segmentHighlight(col = "red").
• add/set plot.oxfordWeather(month = "september").
• amend plot.oxfordWeather(statistic = "rain").
• change addDelauny() to addDelaunay().
• change type = "road" to "roads" in plot.walking().
• "gray" out unobserved and unselected pumps in pumpTokens().

cholera 0.7.5 (2021-04-22)

New Data

• oxford.weather

New Functions

• isoLines()
• isoVertices()
• oxfordWeather()
• povertyLondon()
• segmentHighlight()
• winterTemperatures()

Function Changes

• add addCase(case = NULL).
• add and set neighborhoodVoronoi(case.location = "address").
• add and set neighborhoodVoronoi(pump.location = "nominal").
• add subtitles for selected pumps in plot.euclidean().

Fixes

• fix unneeded warnings in addEuclideanPath().
• fix typo, from Silver Street to Cross Street, for meter benchmark in roads vignette.

Vignettes

• add discussion of Euclidean and Voronoi "expected" neighborhoods.

cholera 0.7.0 (2019-08-28)

New Feature

• support for parallel computation on Windows.

Fixes

• fix computation of core in neighborhoodWalking().
• fix nearestPump(metric = "euclidean", case.set = ("observed", "expected")).

Function Changes

• rename and amend simWalkingDistance() to simulateWalkingDistance().
• deprecate case.set argument in addNeighborhoodCases().
• add nearestPump(metric = "walking", case.set = "expected").
• amend expectedCount() for summary.walking().
• add unstackAuxiliaryFunctions.R

Vignettes

• add Parallelization vignette.

cholera 0.6.5 (2019-06-11)

Fixes

• fix plot.walking_path() timeposts.
• fix plot.walking_path(observed = FALSE).
• fix St James Workhouse for walkingPath(type = "cases").
• fix St James Workhouse for euclideanPath(type = "cases").
• fix city squares for plot.euclidean_path().
• fix computed time in nearestPump() and amend sim.walking.distance.

New Data

• add sim.walking.distance.

Function Changes

• add nearestPump(metric = "euclidean").
• add distance.unit argument to addWhitehead().
• add pch and point.size arguments to addNeighborhoodCases().
• add pos argument to addCase().
• add output argument to voronoiPolygons().
• add summary.euclidean(), summary.voronoi() and summary.walking().
• add multi.core argument to simWalkingDistance().
• add case.location to addEuclideanPath().
• add 'case' argument to pumpCase().
• amend travelingSalesman() argument in addSnow().
• amend print.euclidean(), print.voronoi() and print.walking().
• amend argument 'case' to 'data' in addKernelDensity().
• amend plot.walking() titles.
• deprecate pearlString() in favor of travelingSalesman().
• deprecate statistic argument in neighborhoodVoronoi().
• enable col argument in addRoads().
• enable 'address' and 'nominal' cases in plot.voronoi().
• exclude landmarks from case.set = "expected".
• rename deldirVertices() back to voronoiPolygons().

Vignettes

• rename "deldirPolygons()" to "voronoiPolygons()".
• remove Pump Neighborhoods vignette.

DESCRIPTION

• remove 'scales' from Imports.

cholera 0.6.0 (2019-03-08)

Fixes

• fix title in euclideanPath(type = "case-pump").
• fix destination label for walkingPath(destination = NULL).

Data Changes

• add Earl of Aberdeen residence (Argyll House).
• nominal and orthogonal coordinates for landmarks.

Function Changes

• addNeighborhood() -> addNeighborhoodWalking()

Function Changes: new arguments

• addSnow(type = "perimeter", line.width = 2)
• neighborhoodData(embed = TRUE, embed.landmarks = TRUE)
• neighborhoodEuclidean(case.set = "expected")
• plot.voronoi(voronoi.cells = TRUE, delaunay.triangles = FALSE)
• snowMap(...)
• streetNameLocator(add.subtitle = TRUE, token = id)
• streetNumberLocator(add.subtitle = TRUE, token = id)

Function Changes: polygon.method argument

• addNeighborhoodEuclidean(polygon.method = "traveling.salesman")
• plot.euclidean(polygon.method = "traveling.salesman")
• addNeighborhoodWalking(polygon.method = "pearl.string")
• plot.walking(polygon.method = "pearl.string")

Function Change: landmarks as origin and/or destination (treated as cases)

• euclideanPath()
• walkingPath()
• find nearest case or landmark, given pump (i.e., reverse lookup)

Function Changes: case.location argument: "address" or "nominal"

• addVoronoi(case.location = "nominal")
• euclideanPath(case.location = "nominal")
• neighborhoodEuclidean(case.location = "nominal")
• addNeighborhoodEuclidean(case.location = "nominal")

New Functions

• addCase()
• addDelauny()
• addNeighborhoodCases()
• deldirVertices()
• orthogonalProjection()
• profile2D()
• profile3D()
• streetHighlight()

New Exported Functions

• fixFatalities()
• landmarkData()

New S3 Function

• pearsonResiduals()
• plot.neighborhood_data()

New Vignette

• "deldirVertices(): Tiles, Triangles and Polygons"

Deprecated Functions

• euclideanDistance()
• walkingDistance()

cholera 0.5.1 (2018-08-15)

Fixes

• backward compatibility (R 3.4.4) related to base::isFALSE() & bug fix.
• fix for multiple results in walkingDistance() and walkingPath().

Function Changes

• enable ellipses (...) in plot.time_series() (#1).
• enable ellipses and negative selection in addPump().
• consolidate addEuclideanPath(), euclideanDistance(), euclideanPath(), walkingDistance() and walkingPath().

New Functions

• addBorder()
• addRoads()
• mapRange()

cholera 0.5.0 (2018-07-16)

Data Changes

• regular.cases and sim.ortho.proj: increase number of observations from 5K to 20K.

Function Changes

• "alpha.level" argument to control path transparency: addEuclideanPath() and addWalkingPath().

• distance and time based "mileposts": addEuclideanPath() and addWalkingPath(); plot.euclidean_path() and plot.walking_path(); addMilePosts().

• "pump.subset" and "pump.select" arguments: addCase(), addKernelDensity(), addMilePosts(), addNeighborhood(); neighborhoodEuclidean(), neighborhoodWalking()

• "walking.speed" argument added to: addMilePosts(), nearestPump(), addEuclideanPath(), euclideanDistance(), euclideanPath(), addWalkingPath(), walkingDistance() and walkingPath()

• euclideanDistance() no longer S3: generic S3 functionality moved to euclideanPath().

• multiCore() moved to multiCore.R.

• neighborhoodVoronoi(): plot.voronoi() adds "euclidean.paths" argument for star graph.

• neighborhoodWalking(): "area.polygons" related functions for plot_walking() moved to pearlString.R.

• simulateFatalities(): default is now 20K observations; use proximate in addition to orthogonal distances to find "addresses".

• snowMap() new arguments: "add.cases", "add.pumps", "add.roads".

• unitMeter() default unit of measurement is now "meter".

• walkingAuxillaryFunctions.R: location of walking related helper functions.

• walkingDistance() no longer S3: generic S3 functionality moved to walkingPath().

New Functions

• addCase()
• addEuclideanPath()
• addMilePosts()
• addNeighborhood()
• addWalkingPath()()
• distanceTime()

New S3 Functions

• euclideanPath()
• walkingPath()
• neighborhoodEuclidean()

Vignette Changes

• Lab Notes available online and on GitHub: "duplicate.missing.cases.notes", "pump.neighborhoods.notes" and "unstacking.bars.notes".

cholera 0.4.0 (2018-04-01)

Data Changes

• ortho.proj.pump and ortho.proj.pump.vestry now include node ID.

• roads and road.segments amend street names: "Unknown-B" to "Tent Court" (Edmund Cooper's map); "Unknown-D" to "St James's Market" (https://maps.nls.uk); "Unknown-E" to "Market Street (II)" (https://maps.nls.uk).

Function Changes

• addKernelDensity(): uses "pump.subset" and "pump.select" arguments.
• addLandmarks(): add landmarks from Edmund Cooper's map.
• classifierAudit() can return coordinates of address.
• nearestPump() now incorporates nearestPath().
• neighborhoodWalking(): segment and sub-segment implementation.
• pumpData() returns node ID.
• timeSeries() includes day of the week.
• walkingDistance(): add "simulated" expected cases.

New Functions

• addNeighborhood()

New S3 Implementations

• plot.walking(): type = "area.points" and type = "area-polygons"; type = "area-polygons" via pearlString() replaces alphahull::ashape().
• print.walking() uses expectedCount().

Vignette Changes

• add "Kernel Density Plot".
• update "Pump Neighborhoods" with discussion of area plots.

cholera 0.3.0 (2018-01-26)

Data Changes

• ortho.proj reclassify case 483: Pulteney Court (I) ("242-1") -> Little Windmill Street ("326-2").
• ortho.proj reclassify reclassify cases 369, 434, 11, 53, 193: Poland Street ("194-1") -> St James Workhouse ("148-1").

Function Changes

• addSnow(): "area", "street" and "boundary" graphical annotation.
• caseLocator() highlight home road segment.
• neighborhoodWalking(): "case-set" argument: "observed", "expected" and "snow".
• neighborhoodWalking(): updated implementation and improved performance.
• neighborhoodWalking(): pre-computed configurations from version 0.2.1 removed.
• segmentLocator(), streetNameLocator() and streetNumberLocator(): highlight segment or street cases; option to plot all cases, anchor cases or no cases.

New S3 Implementations

• timeSeries()
• walkingDistance(): incorporates and deprecates walkingPath().

New Functions

• addIndexCase()
• nearestPath()
• nearestPump()
• nodeData()
• segmentLength()
• snowNeighborhood()
• streetLength()
• unitMeter()

New S3 Functions

• classifierAudit()
• euclideanDistance()

cholera 0.2.1 (2017-08-10)

• Initial CRAN release.