topic_modeling.py 文件源码

def __init__(self):
        # Create a regular expression tokenizer
        self.tokenizer = RegexpTokenizer(r'\w+')

        # get the list of stop words 
        self.stop_words_english = stopwords.words('english')

        # Create a Snowball stemmer 
        self.stemmer = SnowballStemmer('english')

    # Tokenizing, stop word removal, and stemming