--- a/marking2/danube.scala Tue Oct 29 23:56:13 2019 +0000
+++ b/marking2/danube.scala Wed Oct 30 11:28:44 2019 +0000
@@ -5,7 +5,7 @@
import io.Source
import scala.util._
-//object CW7b { // for purposes of generating a jar
+object CW7b { // for purposes of generating a jar
// (1) Implement the function get_csv_url which takes an url-string
// as argument and requests the corresponding file. The two urls
@@ -118,7 +118,7 @@
def suggestions(recs: Map[String, List[String]],
mov_name: String) : List[String] = {
val favs = favourites(recs, mov_name).flatten
- val favs_counted = favs.groupBy(identity).mapValues(_.size).toList
+ val favs_counted = favs.groupBy(identity).view.mapValues(_.size).toList
val favs_sorted = favs_counted.sortBy(_._2).reverse
favs_sorted.map(_._1)
}
@@ -170,11 +170,11 @@
//}
// helper functions
-//List().take(2
+//List().take(2)
//List(1).take(2)
//List(1,2).take(2)
//List(1,2,3).take(2)
-//}
+}