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Vertex Ai Forecasting Data Formatting Schema

Section: Preparing for Vertex AI data integration

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An enterprise retail organization is preparing historical transaction data to train a tabular demand forecasting model in Vertex AI to predict daily sales per product across multiple store locations. The data engineering team is using Apache Beam on Dataflow to build a scalable data preprocessing pipeline that extracts, cleans, and structures raw records before importing them into Vertex AI.

Which data formatting and schema design must the Dataflow pipeline implement to produce a valid dataset for the forecasting model objective?

Format the dataset in a narrow (long) structure containing a numerical target column with no null values, a time column with consistent granularity, a time series identifier column, and column names that do not begin with an underscore.

Format the dataset in a wide structure containing a categorical target column with distinct class labels, an entity timestamp column, and separate columns for each predicted future date horizon.

Shard the tabular dataset into compressed TFRecord files containing nested JSON structs, and allow the target column to accept null values for unobserved historical intervals.

Pivot the dataset so that each unique product and store combination forms an individual feature column, replace all null values with numeric zero (0), and combine all records into a single continuous time series.

Professional Cloud Architect

Vertex Ai Forecasting Data Formatting Schema

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