Text vectorization

You'll now transform the desc column in the UFO dataset into tf/idf vectors, since there's likely something we can learn from this field.

This exercise is part of the course

Preprocessing for Machine Learning in Python

View Course

Exercise instructions

Print out the .head() of the desc column.
Instantiate a TfidfVectorizer() object.
Fit and transform the desc column using vec.
Print out the .shape of the desc_tfidf vector, to take a look at the number of columns this created.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Take a look at the head of the desc field
print(____)

# Instantiate the tfidf vectorizer object
vec = ____

# Fit and transform desc using vec
desc_tfidf = vec.____

# Look at the number of columns and rows
print(____.shape)

Edit and Run Code