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Text Preprocessing with Python

Solution Explanations: Basic Preprocessing Techniques

Explore fundamental text preprocessing techniques such as converting text to lowercase, removing special characters with regular expressions, and eliminating punctuation. Understand how these methods clean and prepare text data for further analysis in NLP projects.

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Solution 1: Lowercasing text

Here’s the solution:

Python 3.8
import pandas as pd
 
feedback_df = pd.read_csv('feedback.csv')  
feedback_df['feedback'] = feedback_df['feedback'].str.lower()  
print(feedback_df['feedback'])

Let’s go through the solution explanation:

  • Line 4: We convert the feedback column into lowercase using the str.lower() function. ...

Solution 2: Handling