Question

The code block displayed below contains an error. The code block is intended to return all columns of DataFrame transactionsDf except for columns predError, productId, and value. Find the error. Excerpt of DataFrame transactionsDf: transactionsDf.select(~col("predError"), ~col("productId"), ~col("value"))

Answer options

Accepted Answer

The select operator should be replaced by the drop operator and the arguments to the drop operator should be column names predError, productId and value as strings. (Correct)

Answer

The select operator should be replaced by the drop operator and the arguments to the drop operator should be column names predError, productId and value wrapped in the col operator so they should be expressed like drop(col(predError), col(productId), col(value)).

Answer

The select operator should be replaced with the deselect operator.

Answer

The column names in the select operator should not be strings and wrapped in the col operator, so they should be expressed like select(~col(predError), ~col(productId), ~col(value)).

Answer

The select operator should be replaced by the drop operator.

The code block displayed below contains an error. The code block is intended to return all columns of DataFrame transactionsDf except for columns…

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