cholera-package | cholera: amend, augment and aid analysis of John Snow's cholera data |
addKernelDensity | Add 2D kernel density contours to a plot. |
addLandmarks | Add landmarks. |
addPlaguePit | Add plague pit (Marshall Street). |
addSnow | Adds Snow's Annotation of the Broad Street pump walking neighborhood. |
addVoronoi | Add Voronoi cells. |
addWhitehead | Add 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. |
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 apparent coding error in Dodson and Tobler's digitization of Snow's map. |
neighborhoodVoronoi | Compute Voronoi neighborhoods. |
neighborhoodWalking | Compute walking path 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. |
plague.pit | Plague pit coordinates. |
plot.time.series | Plot aggregate time series data from Vestry report. |
plot.voronoi | Plot Voronoi neighborhoods. |
plot.walking | Plot observed and simulated walking neighborhoods. |
pump.case | List of the observed fatality "addresses" grouped by pump neighborhood. |
pumpCase | Extract numeric case IDs by 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 dataframe into road.segments dataframe. |
segmentLocator | Locate road segment by its character ID. |
sim.ortho.proj | Orthogonal projection of simulated "expected" cases onto road network. |
sim.pump.case | List of "simulated" fatalities grouped by pump neighborhood. |
simulateFatalities | Generate simulated fatalities and their orthogonal projections. |
snow.neighborhood | Snow neighborhood fatalities. |
snowColors | Create a uniform set of colors for pump neighborhoods. |
snowMap | Plot John Snow's cholera map. |
streetNameLocator | Locate road by name. |
streetNumberLocator | Locate road by its numerical ID. |
summary.voronoi | Compute summary statistics for Voronoi neighborhoods. |
summary.walking | Compute summary statistics for walking path neighborhoods. |
timeSeries | Aggregate time series fatality data from the Vestry report. |
unstackFatalities | Unstack "stacks" in Snow's cholera map. |
walkingDistance | Compute the walking distance between a case and the nearest (selected) pump. |
walkingPath | Plot the walking path from a case to the nearest selected pump(s). |