Fix bad source formatting

Author: ERSUCC

models/diversity-example.nlogox

@@ -148,7 +148,7 @@ to calc-diversity
     ]
     set counter counter + 1
   ]
-  
+
   set-histogram-num-bars 20
   set-current-plot "pielou"
   histogram filter is-number? [pielou] of patches

models/linear_regression-example.nlogox

@@ -60,10 +60,10 @@ to go
     ;; get the results back from R
     let bb sr:runresult "fm$coefficient[1]"
     let xx sr:runresult "fm$coefficient[2]"
-    
+
     let b item 1 item 0 bb
     let x item 1 item 0 xx
-    
+
     ;; make a forecast for the next day
     let forecast b + x * 11
     if forecast < 0

models/package-example.nlogox

@@ -20,7 +20,7 @@ extensions [sr]
 
 to test-pcf1
   sr:setup
-  
+
   ;; creates a plot of the pair correlation function (after Stoyan)
   ;; for the example dataset "simdat"
   sr:run "library(spatstat)"
@@ -46,10 +46,10 @@ end
 
 to test-pcf2
   clear-all
-  
+
   ;; comment out the next line if you want new behavior each time
   random-seed 42415
-  
+
   ;;If you do comment it out
   ;;If you may get the error
   ;;Extension exception: object 'agppp' not found
@@ -61,7 +61,7 @@ to test-pcf2
   ;;was executed there was an error
   ;;which produced a message in the command center such as
   ;;Warning from R environment:  3 points were rejected as lying outside the specified window
-  
+
   sr:setup
   ;; creates 20 turtles and distribute them over the world randomly.
   ;; Assigns an R-point-pattern from the locations of the turtles and calculates the pair correlation function.

models/ripleysK-example.nlogox

@@ -56,7 +56,7 @@ to go
 
   ;; send agent variables into an R data-frame
   (sr:set-agent-data-frame "agentset" turtles "who" "xcor" "ycor")
-  
+
   ;; create point pattern with vectors of x- and y-coordinates of turtles and the dimension of the window/world
   let revalstring (word "agppp <- ppp(agentset$xcor, agentset$ycor, c(" min-pxcor "," max-pxcor "), c(" min-pycor "," max-pycor ") )")