Listening on http://127.0.0.1:34945
Loading required package: GA
Loading required package: foreach
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Package 'GA' version 3.2.3
Type 'citation("GA")' for citing this R package in publications.

Attaching package: 'GA'

The following object is masked from 'package:utils':

    de

Loading required package: Rcpp
Loading required package: sp
Warning: Error in if: argument is of length zero
  131: <reactive:Map> [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#171]
  115: Map
  114: <reactive:Cartogram> [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#222]
   98: Cartogram
   97: renderText [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#68]
   96: func
   83: renderFunc
   82: output$plot_hoverinfo
    1: runApp
Loading required package: noncensus
Warning: Error in if: argument is of length zero
  97: renderUI [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#146]
  96: func
  83: renderFunc
  82: output$II
   1: runApp
Warning: Error in if: argument is of length zero
  171: <Anonymous>
  170: stop
  169: Map
  168: renderPlot [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#258]
  166: func
  126: drawPlot
  112: <reactive:plotObj>
   96: drawReactive
   83: renderFunc
   82: output$mapPlot
    1: runApp
Warning: Error in if: argument is of length zero
  171: <Anonymous>
  170: stop
  169: Cartogram
  168: renderPlot [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#291]
  166: func
  126: drawPlot
  112: <reactive:plotObj>
   96: drawReactive
   83: renderFunc
   82: output$cartogramPlot
    1: runApp
region name: no object identified.
region name: no object identified.
region name: no object identified.
Warning: Error in :: NA/NaN argument
  205: combn
  203: checkerboard
  202: <reactive:Map> [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#180]
  200: .func
  197: contextFunc
  196: env$runWith
  189: ctx$run
  188: self$.updateValue
  186: Map
  185: <reactive:Cartogram> [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#222]
  183: .func
  180: contextFunc
  179: env$runWith
  172: ctx$run
  171: self$.updateValue
  169: Cartogram
  168: renderPlot [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#291]
  166: func
  126: drawPlot
  112: <reactive:plotObj>
   96: drawReactive
   83: renderFunc
   82: output$cartogramPlot
    1: runApp
Warning: Error in :: NA/NaN argument
  100: <Anonymous>
   99: stop
   98: Cartogram
   97: renderText [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#68]
   96: func
   83: renderFunc
   82: output$plot_hoverinfo
    1: runApp
Warning: Error in :: NA/NaN argument
  171: <Anonymous>
  170: stop
  169: Map
  168: renderPlot [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#258]
  166: func
  126: drawPlot
  112: <reactive:plotObj>
   96: drawReactive
   83: renderFunc
   82: output$mapPlot
    1: runApp
region name: no object identified.
region name: no object identified.
region name: b8
region name: b8
region name: b8
region name: b8
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region name: d6
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Warning: Error in :: NA/NaN argument
  188: combn
  186: checkerboard
  185: <reactive:Map> [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#180]
  183: .func
  180: contextFunc
  179: env$runWith
  172: ctx$run
  171: self$.updateValue
  169: Map
  168: renderPlot [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#258]
  166: func
  126: drawPlot
  112: <reactive:plotObj>
   96: drawReactive
   83: renderFunc
   82: output$mapPlot
    1: runApp
Warning: Error in :: NA/NaN argument
  117: <Anonymous>
  116: stop
  115: Map
  114: <reactive:Cartogram> [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#222]
   98: Cartogram
   97: renderText [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#68]
   96: func
   83: renderFunc
   82: output$plot_hoverinfo
    1: runApp
Warning: Error in :: NA/NaN argument
  171: <Anonymous>
  170: stop
  169: Cartogram
  168: renderPlot [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#291]
  166: func
  126: drawPlot
  112: <reactive:plotObj>
   96: drawReactive
   83: renderFunc
   82: output$cartogramPlot
    1: runApp
Warning: Error in combn: n < m
  189: stop
  188: combn
  186: checkerboard
  185: <reactive:Map> [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#180]
  183: .func
  180: contextFunc
  179: env$runWith
  172: ctx$run
  171: self$.updateValue
  169: Map
  168: renderPlot [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#258]
  166: func
  126: drawPlot
  112: <reactive:plotObj>
   96: drawReactive
   83: renderFunc
   82: output$mapPlot
    1: runApp
Warning: Error in combn: n < m
  117: <Anonymous>
  116: stop
  115: Map
  114: <reactive:Cartogram> [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#222]
   98: Cartogram
   97: renderText [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#68]
   96: func
   83: renderFunc
   82: output$plot_hoverinfo
    1: runApp
Warning: Error in combn: n < m
  171: <Anonymous>
  170: stop
  169: Cartogram
  168: renderPlot [/usr/local/lib/R/site-library/recmap/shiny-examples/server.R#291]
  166: func
  126: drawPlot
  112: <reactive:plotObj>
   96: drawReactive
   83: renderFunc
   82: output$cartogramPlot
    1: runApp