t:readcsv[read["ICC Test Bowl 3003.csv"] "ssiiiiisffiiis"]
sorted: select orderby Wkts desc orderby Ave asc where Wkts from t
best: select where !gindex by Wkts from sorted
bestInClass: select where each v i in Ave v~min (i+1) take Ave end from best
allWkts: sorted.Wkts
mostCompetitive: extract where (gindex=0)&15<count gindex by value from allWkts
mostCompetitiveBowlers: select where Wkts in mostCompetitive from best
gap: min allWkts drop 1+range max allWkts
"bestInClass" is probably the most awkward adaptation; I didn't see a tidy way to make a suffix list like ",\".See also https://beyondloom.com/blog/rankingoffruits.html for a nice introduction to the query syntax and its relation to K. (And RodgerTheGreat is John Earnest, the author).
In any event these languages are great for exploring data in projects like these.