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Exercise

Defining the schema

Let's start by defining the expected schema for data validation. This is a critical step in ensuring data quality throughout the ETL pipeline.

You'll use the pointblank library to define the schema structure.

The dataset has already been loaded for you as ts.

Instructions

100 XP
  • Start by importing pointblank.
  • Define the schema using the right method.
  • Set the respondent column to object type and value column to float64 type.