Wolfram Computation Meets Knowledge

City of Champaign Street Signs

The various street signs of Champaign, IL

Originator:

City of Champaign

Data on signs include ownership, size, type, etc.

Examples

Basic Examples

Retrieve the resource:

In[1]:=
ResourceObject["City of Champaign Street Signs"]
Out[1]=

Retrieve the default content:

In[2]:=
ResourceData["City of Champaign Street Signs"]
Out[2]=

Get a tally of street sign ownership:

In[3]:=
Reverse@Sort@
  Counts[ResourceData["City of Champaign Street Signs"][[All, 
    "Ownership"]]]
Out[3]=

Make a map of all signs owned by MTD:

In[4]:=
GeoListPlot[
 ResourceData["City of Champaign Street Signs"][
   Select[#Ownership === "MTD" &]][[All, "Coordinates"]]]
Out[4]=

Make a map of special street name signs for 3 of the main neighborhoods of Champaign:

In[5]:=
GeoListPlot[{Normal[
   ResourceData["City of Champaign Street Signs"][
     Select[#SignType === "Streetname - Sesquicentennial" &]][[All, 
    "Coordinates"]]],
  Normal[ResourceData["City of Champaign Street Signs"][
     Select[#SignType === "Streetname - Downtown" &]][[All, 
    "Coordinates"]]],
  Normal[ResourceData["City of Champaign Street Signs"][
     Select[#SignType === "Streetname - Campustown" &]][[All, 
    "Coordinates"]]]
  }, PlotLegends -> {"Streetname - Sesquicentennial", 
   "Streetname - Downtown", "Streetname - Campustown"}]
Out[5]=

Sort sign types by average area:

In[6]:=
Reverse[SortBy[
  Dataset[
   <|"SignType" -> First@First@#,
      "AverageArea" -> Mean[Last /@ #] // N|> & /@
    GatherBy[
     (With[{area = Replace[#Size, {x_Quantity, y_Quantity} :> x*y]},
         If[MatchQ[area, _Quantity],
          <|"SignType" -> #SignType,
           "Area" -> area|>, Nothing]] & /@ 
       Normal[ResourceData["City of Champaign Street Signs"][[
         All, {"SignType", "Size"}]]]),
     ("SignType" /. #) &]
   ], #AverageArea &]]
Out[6]=

Wolfram Research, "City of Champaign Street Signs" from the Wolfram Data Repository (2018) 

License Information

Public domain

Data Resource History

Source Metadata

Publisher Information