A B C D E F I L M N O P R S T U V W

cholera-package | cholera: amend, augment and aid analysis of John Snow's cholera map |

addCase | Add observed case(s) to plot. |

addDelaunay | Add Delaunay triangles. |

addEuclideanPath | Add the path for the Euclidean distance between cases and/or pumps. |

addFrame | Add map border to plot. |

addIndexCase | Highlight index case at 40 Broad Street. |

addKernelDensity | Add 2D kernel density contours. |

addLandmarks | Add landmarks to plot. |

addMilePosts | Add distance or time based "mileposts" to an observed walking neighborhood plot. |

addNeighborhoodCases | Add observed cases by neighborhood. |

addNeighborhoodEuclidean | Add expected Euclidean pump neighborhoods. |

addNeighborhoodWalking | Add expected walking neighborhoods. |

addPlaguePit | Add plague pit (Marshall Street). |

addPump | Add selected pump(s) to plot. |

addRoads | Add all streets and roads to plot. |

addSnow | Adds Snow's graphical annotation of the Broad Street pump walking neighborhood. |

addVoronoi | Add Voronoi cells. |

addWalkingPath | Add the shortest walking path between a selected cases or pumps. |

addWhitehead | Add Rev. Henry Whitehead's Broad Street pump neighborhood. |

anchor.case | Anchor or base case of each stack of fatalities. |

border | Numeric IDs of line segments that create the map's border frame. |

caseLocator | Locate case by numerical ID. |

classifierAudit | Test if case is orthogonal to segment. |

distanceTime | Convert distance to elapsed time. |

euclideanPath | Compute path of the Euclidean distance between cases and/or pumps. |

fatalities | Amended Dodson and Tobler's cholera data. |

fatalities.address | "Unstacked" amended cholera data with address as unit of observation. |

fatalities.unstacked | "Unstacked" amended cholera fatalities data with fatality as unit of observation. |

fixFatalities | Fix errors in Dodson and Tobler's digitization of Snow's map. |

isoLines | Plot isochrone and isodistance regions (prototype) |

isoVertices | Isochrone and isodistance vertices (prototype) |

landmark.squares | Centers of city squares. |

landmarkData | Landmark data. |

landmarks | Orthogonal projection of landmarks onto road network. |

mapRange | Compute xlim and ylim of Snow's map. |

nearestPump | Compute shortest distances or paths to selected pumps. |

neighborhoodData | Compute network graph of roads, cases and pumps. |

neighborhoodEuclidean | Compute Euclidean path pump neighborhoods. |

neighborhoodVoronoi | Compute Voronoi pump neighborhoods. |

neighborhoodWalking | Compute walking path pump neighborhoods. |

ortho.proj | Orthogonal projection of observed cases onto road network. |

ortho.proj.pump | Orthogonal projection of 13 original pumps. |

ortho.proj.pump.vestry | Orthogonal projection of the 14 pumps from the Vestry Report. |

orthogonalProjection | Compute coordinates of orthogonal projection from case to road segment. |

oxford.weather | Oxford monthly weather data, January 1853 - December 2019. |

oxfordWeather | Weather data recorded in Oxford (Met Office UK). |

pearsonResiduals | Compute Pearson Residuals (prototype) |

plague.pit | Plague pit coordinates. |

plot.classifier_audit | Plot result of classifierAudit(). |

plot.euclidean | Plot method for neighborhoodEuclidean(). |

plot.euclidean_path | Plot the path of the Euclidean distance between cases and/or pumps. |

plot.iso | Plot method for isoVertices(). |

plot.neighborhood_data | Plot method for neighborhoodData(). |

plot.oxfordWeather | Plot method for oxfordWeather(). |

plot.povertyLondon | Plot method for povertyLondon(). |

plot.profile_perspective | Plot method for profilePerspective(). |

plot.time_series | Plot aggregate time series data from Vestry report. |

plot.voronoi | Plot Voronoi neighborhoods. |

plot.walking | Plot method for neighborhoodWalking(). |

plot.walking_path | Plot the walking path between selected cases and/or pumps. |

plot.winterTemperatures | Plot method for winterTemperatures(). |

povertyLondon | Poverty and Born in London. |

print.classifier_audit | Return result of classifierAudit(). |

print.euclidean | Print method for neighborhoodEuclidean(). |

print.euclidean_path | Print method for euclideanPath(). |

print.iso | Print method for isoVertices(). |

print.time_series | Print summary data for timeSeries(). |

print.voronoi | Print method for neighborhoodVoronoi(). |

print.walking | Print method for neighborhoodWalking(). |

print.walking_path | Print method for walkingPath(). |

profile2D | 2D Profile . |

profile3D | 3D Profile. |

pumpCase | Extract numeric case IDs by pump neighborhood. |

pumpData | Compute pump coordinates. |

pumpLocator | Locate water pump by numerical ID. |

pumps | Dodson and Tobler's pump data with street name. |

pumps.vestry | Vestry report pump data. |

regular.cases | "Expected" cases. |

road.segments | Dodson and Tobler's street data transformed into road segments. |

roads | Dodson and Tobler's street data with appended road names. |

roadSegments | Reshape 'roads' data frame into 'road.segments' data frame. |

segmentHighlight | Highlight segment by ID. |

segmentLength | Compute length of road segment. |

segmentLocator | Locate road segment by ID. |

sim.ortho.proj | Road "address" of simulated (i.e., "expected") cases. |

sim.pump.case | List of "simulated" fatalities grouped by walking-distance pump neighborhood. |

sim.walking.distance | Walking distance to Broad Street Pump (#7). |

simulateFatalities | Generate simulated fatalities. |

simulateWalkingDistance | Compute walking distance for simulated cases. |

snow.neighborhood | Snow neighborhood fatalities. |

snowColors | Create a set of colors for pump neighborhoods. |

snowMap | Plot John Snow's cholera map. |

snowNeighborhood | Plotting data for Snow's graphical annotation of the Broad Street pump neighborhood. |

streetHighlight | Highlight road by name. |

streetLength | Compute length of selected street. |

streetNameLocator | Locate road by name. |

streetNames | Street names (alphabetized). |

streetNumberLocator | Locate road by numerical ID. |

subsetRoadsSamples | Sample for road segment endpoints. |

summary.euclidean | Summary method for neighborhoodEuclidean(). |

summary.voronoi | Summary method for neighborhoodVoronoi(). |

summary.walking | Summary method for neighborhoodWalking(). |

timeSeries | Aggregate time series fatality data from the Vestry report. |

unitMeter | Convert nominal map distance to meters or yards. |

unstackFatalities | Unstack "stacks" in Snow's cholera map. |

voronoiPolygons | Extract vertices of Delaunay triangles and Dirichelet (Voronoi) tiles. |

walkingPath | Compute the shortest walking path between cases and/or pumps. |

winterTemperatures | Average Winter Temperatures. |

withinRadius | Test whether point "b" is within a given radius of point "a". |