This image shows the "Projects Collaboration Statistics" paragraph. 
This image shows the following partial lines of code:


Line 1: {

Line 2: /* The curly brackets are a trick to suppress printing of commands' responses 

Line 3: (such as values assigned to a variable etc.) */ 
 

Line 4: friendsDF.unpersist()

Line 5: 
val intraPerc = 100 * intraClassEdgeCount / edgeCount   

Line 6: val interPerc = 100 * interClassEdgeCount / edgeCount

Line 7: println(s"Number of projects in total: ${edgeCount}")

Line 8: println(s"Number of same-class projetcs: ${intraClassEdgeCount} (${intraPerc}%)")

Line 9: println(s"Number of cross-class projetcs: ${interClassEdgeCount} (${interPerc}%)")
Line 10: }   



The following output is displayed: 


Number of Total Projects: 299924

Number of Same-Class Projects: 200393 (66%)

Number of Cross-Class Projects: 99531 (33%)



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