What is data preprocessing in NLP?
Data preprocessing in NLP involves cleaning and transforming raw text data into a format suitable for analysis.
Why is data preprocessing important?
It's crucial because it improves the quality of the data, leading to better model performance and more accurate results.
What are some common techniques used in data preprocessing?
Common techniques include tokenization, stemming, lemmatization, removing stop words, and normalization.
Can you explain tokenization?
Tokenization is the process of breaking down text into individual words or phrases, called tokens, for analysis.
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