Information_Propagation.nlogo

;;Simulate information propragation in physical and cyber spaces
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

globals
[
  clique
  previous-clique
  percent-clique
  clique-now
  percent-clique-now
  percent-red
  percent-blue
  total-people
  count-red-fol
  count-blue-fol
  count-violet-fol
  median-gov-p
]

breed [governors governor]
breed [citizens citizen]
breed [followers follower]

turtles-own
[
  party
  count-down    ;; a count down clock to decide the time a turtle should hear the msg: when count-down = -1.
  times-heard    ;; tracks times the msg has been heard
  p ; probability of spreading the msg
  new-p ; adjusted by mutural conditions between two contacting turtles
]

governors-own
[
  gov-year ; 48 dispersed patches holding each governor's incumbent year [2007,2015] -- imported from text file
  gov-vote ; 48 dispersed patches holding each governor's vote share -- imported from text file
  gov-twyear
  gov-fol ; 48 dispersed patches holding each governor's followers' count -- imported from text file
  physical-world-influence
  cyber-world-influence
]

patches-own [
  layer-sid
  layer-spop
  layer-sdens
  layer-sparty
  layer-svote
  layer-govid
  layer-govparty
  layer-govyear
  layer-govvote
  layer-govtwyear
  layer-govfol
  ]

to setup
  clear-all
  setup-USstates
  setup-governors
  ifelse cyber?
  [setup-citizens setup-followers] [setup-citizens]
  set clique 0
  reset-ticks
end

to setup-USstates
  file-open "Data/stateid.txt" let patch-sid file-read file-close
  (foreach sort patches patch-sid
     [ [?1 ?2] -> ask ?1 [ set layer-sid ?2 ] ] )  ;store stateid in layer-sid
  ask patches
    [set pcolor layer-sid]

  file-open "Data/statedensity.txt" let patch-sdens file-read file-close
  (foreach sort patches patch-sdens
     [ [?1 ?2] -> ask ?1 [ set layer-sdens ?2 ] ] ) ;store statedens in layer-sdens

  file-open "Data/govid.txt" let patch-gid file-read file-close
  (foreach sort patches patch-gid
     [ [?1 ?2] -> ask ?1 [ set layer-govid ?2 ] ] )

  file-open "Data/govparty.txt" let patch-gp file-read file-close
  (foreach sort patches patch-gp
     [ [?1 ?2] -> ask ?1 [ set layer-govparty ?2 ] ] )

  file-open "Data/govyear.txt" let patch-gyr file-read file-close
  (foreach sort patches patch-gyr
     [ [?1 ?2] -> ask ?1 [ set layer-govyear ?2 ] ] )

  file-open "Data/govvote.txt" let patch-gvote file-read file-close
  (foreach sort patches patch-gvote
     [ [?1 ?2] -> ask ?1 [ set layer-govvote ?2 ] ] )

  file-open "Data/govtwyear.txt" let patch-gty file-read file-close
  (foreach sort patches patch-gty
     [ [?1 ?2] -> ask ?1 [ set layer-govtwyear ?2 ] ] )

  file-open "Data/govfol.txt" let patch-gf file-read file-close
  (foreach sort patches patch-gf
     [ [?1 ?2] -> ask ?1 [ set layer-govfol ?2 ] ] )

  file-open "Data/sparty.txt" let patch-sparty file-read file-close
  (foreach sort patches patch-sparty
     [ [?1 ?2] -> ask ?1 [ set layer-sparty ?2 ] ] )

  file-open "Data/svote.txt" let patch-sv file-read file-close
  (foreach sort patches patch-sv
     [ [?1 ?2] -> ask ?1 [ set layer-svote ?2 ] ] )
end

to setup-governors
clear-turtles
ask patches with [layer-govid >= 0][
sprout-governors 1
[set shape "person" set size 8
  set party layer-govparty
  ifelse party = 1 [set color red] [set color blue]
  set gov-year layer-govyear
  set gov-vote layer-govvote
  ;let max-year max-one-of patches [ layer-govyear ] ;this returns the patch index. e.g., (patch 112,-45)
  let max-govyear max [layer-govyear] of patches
  let min-govyear min [layer-govyear] of patches with [layer-govyear >= 0]
  let max-govvote max [layer-govvote] of patches
  let min-govvote min [layer-govvote] of patches with [layer-govvote >= 0]
  set physical-world-influence ((gov-year - min-govyear + 1) / (max-govyear - min-govyear + 1)) * ((gov-vote - min-govvote + 1) / (max-govvote - min-govvote + 1))

  set gov-twyear layer-govtwyear
  set gov-fol layer-govfol
  let max-govtwyear max [layer-govtwyear] of patches
  let min-govtwyear min [layer-govtwyear] of patches with [layer-govtwyear >= 0]
  let max-govfol max [layer-govfol] of patches
  let min-govfol min [layer-govfol] of patches with [layer-govfol >= 0]
  set cyber-world-influence ((gov-twyear - min-govtwyear + 1) / (max-govtwyear - min-govtwyear + 1)) * ((gov-fol - min-govfol + 1) / (max-govfol - min-govfol + 1))

  let origin-count-red-fol sum [layer-govfol] of patches with [layer-sparty = 1 and layer-govid >= 0] ;1633668
  let origin-count-blue-fol sum [layer-govfol] of patches with [layer-sparty = 2 and layer-govid >= 0] ;1515354
  set count-red-fol round(origin-count-red-fol * 0.92 / 1000) ;1503
  set count-blue-fol round(origin-count-blue-fol * 0.92 / 1000) ;1394
  set count-violet-fol round((origin-count-red-fol + origin-count-blue-fol) / 1000) - count-red-fol - count-blue-fol  ; 252

  set count-down 0
  set times-heard 0
  ifelse cyber?
  [set p physical-world-influence + cyber-world-influence] [set p physical-world-influence]
  ]
]
;show [p] of governors
;set median-gov-p median [p] of governors
;show median-gov-p
end

to setup-citizens
 ; clear-turtles
  ask patches with [layer-sid >= 0][
;    ifelse citizen-prop-to-pop?
;    sprout-citizens ceiling(layer-sdens / 1000)   ;initialize citizens # according to population density -->[1,10], or 1 per patch.
    sprout-citizens 1
;    ask citizens
    [set shape "circle"
      let vote layer-svote
      let s precision (random-float 100) 1  ; a random number between 0 and 100 with 1 decimal digit
      ifelse s < vote
      [set party layer-sparty][
      ifelse s < 92
      [set party 3 - layer-sparty][set party 3]]
      set p precision (random-float 0.6505) 4

      set count-down -10 ; so if this citizen is not reached, his count-down will keep decreasing
      set times-heard 0
      set color gray
    ]
  ]
      ;show count citizens  ; 85614
      ;show count patches with [layer-sid >= 0] ; 85614
  end

to setup-followers
  ;clear-turtles
  ask n-of count-red-fol patches with [layer-sid >= 0][
    sprout-followers 1
    [set-fol
      set party 1
      set color red]]
  ask n-of count-blue-fol patches with [layer-sid >= 0][
    sprout-followers 1
    [set-fol
      set party 2
      set color blue]]
  ask n-of count-violet-fol patches with [layer-sid >= 0][
    sprout-followers 1
    [set-fol
      set party 3
      set color one-of [ red blue]]]
  ;show count followers  ; 3149
  end

  to set-fol
        set shape "triangle" set size 2
        set p precision (random-float 0.6505) 4
        set count-down random 24
        set times-heard 0
  end

to go
  if all? turtles [times-heard > 0]
  [stop]
  if ticks = 72
  [stop]
  tick
  ask turtles
  [set count-down count-down - 1
  if count-down = -1
  [spread-msg]]

  if decay?  ; set a random percent of knowing-sth. turtles change back to oblivion (gray - 1) when their times-heard >= a setting value
  [ask n-of (percent-decay * count turtles with [color = red or color = blue]) turtles with [color = red or color = blue or color = violet]
   [ if times-heard >= decay-after-times-heard
     [set color gray - 1]]]

  ask turtles with [color = red or color = blue or color = gray - 1] ; ask all turtles that have ever heard of the msg, times-heard + 1
  [set times-heard times-heard + 1]

;  let x count turtles with [color = red or color = blue or color = gray - 1] ;; just for test
;  show x
;
;  print max [times-heard] of turtles ;;  at tick 72: latest first heard = max times heard = 72
;  print min [times-heard] of turtles  ;;  min times heard = 0 always

  if noise?  ;; randomly change a percent of citizens who are oblivious of the msg to red/blue, and also to a msg source
  [ask n-of (percent-noise * count turtles with [color = gray or color = gray - 1]) turtles with [color = gray or color = gray - 1]
    [set color one-of [red blue]
      set count-down 0]
    ]

  set previous-clique clique
  set clique count turtles with [times-heard > 0]
  set clique-now count turtles with [color = red or color = blue]
  set percent-clique clique / count turtles
  set percent-clique-now clique-now / count turtles
  set percent-red count turtles with [color = red] / count turtles
  set percent-blue count turtles with [color = blue] / count turtles
  set total-people count turtles
end

to spread-msg
  let targets nobody
  ifelse count turtles-on neighbors > 1
  [set targets n-of 2 turtles-on neighbors][set targets turtles-on neighbors]
  ask targets [
  ifelse party = [party] of myself [set new-p p + 0.11]                 ; cyber? doesn't influence the values setting if only two decimal digits are considered
  [ifelse party = 3 [set new-p p - 0.09] [set new-p p - 0.20]]
  if new-p > median-gov-p  and times-heard <= chances-to-change-mind
  [set color [color] of myself
  set count-down 0]
  ]
end

to recolor-by-first-heard
  ask patches
  [set pcolor black]
  ask turtles
  [set color black
   set shape "circle" set size 1
   let f ticks - times-heard
      set color scale-color orange f ticks 0]
  ask governors
  [set shape "person" set size 3]
  if cyber?
  [ask followers
    [set shape "triangle" set size 2]]
end
@#$#@#$#@
GRAPHICS-WINDOW
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ticks
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BUTTON
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NIL
setup
NIL
1
T
OBSERVER
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SWITCH
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cyber?
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BUTTON
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NIL
go
T
1
T
OBSERVER
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MONITOR
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clique
clique
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PLOT
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population_1
time
population
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72.0
0.0
65000.0
true
true
"" ""
PENS
"blue" 1.0 0 -13345367 true "" "plot count turtles with [color = blue]"
"red" 1.0 0 -2674135 true "" "plot count turtles with [color = red]"
"total" 1.0 0 -9276814 true "" "plot count turtles with [color = blue or color = red]"

BUTTON
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NIL
go
NIL
1
T
OBSERVER
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NIL
NIL
NIL
1

MONITOR
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percent-clique
percent-clique
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1
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MONITOR
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percent-red
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MONITOR
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percent-blue
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MONITOR
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total-people
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SLIDER
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chances-to-change-mind
chances-to-change-mind
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NIL
HORIZONTAL

PLOT
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Successive Differences
time
difference
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0.0
3500.0
true
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"set-plot-y-range 0 precision (count patches / 100) -2" ""
PENS
"default" 1.0 0 -5825686 true "" "plot clique - previous-clique"

BUTTON
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recolor-by-first-heard
recolor-by-first-heard
NIL
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T
OBSERVER
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1

PLOT
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population_1
time
Count
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true
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"" ""
PENS
"clique" 1.0 0 -955883 true "" "plot clique"
"clique-now" 1.0 0 -8630108 true "" "plot clique-now"

SLIDER
11
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183
268
percent-decay
percent-decay
0
0.1
0.05
0.01
1
NIL
HORIZONTAL

SLIDER
10
199
189
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decay-after-times-heard
decay-after-times-heard
0
72
36.0
12
1
NIL
HORIZONTAL

SWITCH
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decay?
decay?
0
1
-1000

MONITOR
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clique-now
clique-now
0
1
11

MONITOR
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percent-clique-now
percent-clique-now
4
1
11

SLIDER
10
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182
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percent-noise
percent-noise
0
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0.05
0.01
1
NIL
HORIZONTAL

SWITCH
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143
308
noise?
noise?
1
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-1000

@#$#@#$#@
## WHAT IS IT?

(a general understanding of what the model is trying to show or explain)

## HOW IT WORKS

(what rules the agents use to create the overall behavior of the model)

## HOW TO USE IT

(how to use the model, including a description of each of the items in the Interface tab)

## THINGS TO NOTICE

(suggested things for the user to notice while running the model)

## THINGS TO TRY

(suggested things for the user to try to do (move sliders, switches, etc.) with the model)

## EXTENDING THE MODEL

(suggested things to add or change in the Code tab to make the model more complicated, detailed, accurate, etc.)

## NETLOGO FEATURES

(interesting or unusual features of NetLogo that the model uses, particularly in the Code tab; or where workarounds were needed for missing features)

## RELATED MODELS

(models in the NetLogo Models Library and elsewhere which are of related interest)

## CREDITS AND REFERENCES

(a reference to the model's URL on the web if it has one, as well as any other necessary credits, citations, and links)
@#$#@#$#@
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@#$#@#$#@
NetLogo 6.1.0
@#$#@#$#@
@#$#@#$#@
@#$#@#$#@
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