lecture02

Document Distance

1. Split each document into words
2. count word frequencies
3. compute dot product and normalize
4. get angle
   • 0 degree: identical
   • 90 degree: no common words

difference between original(python2) and python3

python2

translation_table = string.maketrans(string.punctuation + string.uppercase,
                                     " "*len(string.punctuation) + string.lowercase)

python3

translation_table = str.maketrans(string.punctuation + string.ascii_uppercase,
                                  " " * len(string.punctuation) + string.ascii_lowercase)