Wolff questions

• R Shiny: Why can't functions from source files access global variables when running as an app?
• What is the "seed" in Weka's SimpleKMeans clusterer?
• Python, NLTK, can't import "parse_cfg"?
• Prolog: Is f(X) = X unifiable or not?
• Python: How to compute the top X most frequently used words in an NLTK corpus? [duplicate]

Wolff answers