An Online Reseller Has a Large, Multi-Column Dataset with One

question 59

Multiple Choice

An online reseller has a large, multi-column dataset with one column missing 30% of its data. A Machine Learning Specialist believes that certain columns in the dataset could be used to reconstruct the missing data. Which reconstruction approach should the Specialist use to preserve the integrity of the dataset?

• A) Listwise deletion
• B) Last observation carried forward
• C) Multiple imputation
• D) Mean substitution

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Definitions:

Bride's Family

The family of the bride, often involved in wedding traditions, customs, and potentially in providing a dowry or support for the wedding expenses.

Matrilateral Cross-cousin Marriage

A marital arrangement in which an individual marries a cousin from their mother's side, common in some societies as a strategy to maintain alliances.

Sexual Behavior

Activities related to physical intimacy and reproduction, varying widely across different species, including humans, and influenced by biological, psychological, and social factors.

Migrant Labor Force

A segment of the workforce that moves from one region or country to another to find employment, often characterized by temporary or seasonal work.