Split and explode a text column
A dataframe clauses_df
with 100 rows is provided. It has a column clause
and a row id. Each clause
is a string containing one or more words separated by spaces.
Este ejercicio forma parte del curso
Introduction to Spark SQL in Python
Instrucciones del ejercicio
- Split the
clause
column into a column calledwords
, containing an array of individual words. - Explode the
words
column into a column calledword
. - Count the resulting number of rows.
Ejercicio interactivo práctico
Prueba este ejercicio completando el código de muestra.
# Split the clause column into a column called words
split_df = clauses_df.select(____('clause', ' ').____('words'))
split_df.show(5, truncate=False)
# Explode the words column into a column called word
exploded_df = split_df.____(____('____').____('word'))
exploded_df.show(10)
# Count the resulting number of rows in exploded_df
print("\nNumber of rows: ", ____)