cholera v0.7.5

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.