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#Data_Science_That_Works

2/19/2025, 6:40:27 AM

Today's Data Term *Data Lake* A data lake is a centralized repository that stores all types of data in its native format, without the need for traditional data modeling or schema definitions. It's a scalable and flexible way to store and manage large amounts of data, making it easily accessible for analysis and insights. Think of a data lake like a large, open reservoir that holds water (data) in its natural state.

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2/20/2025, 5:39:48 AM

Today's Data Term *Data Governance* Data governance is the overall management of the availability, usability, integrity, and security of an organization's data. It involves establishing policies, procedures, and standards to ensure that data is accurate, consistent, and reliable. Think of data governance like a traffic cop, directing the flow of data to ensure it's moving smoothly, safely, and efficiently.

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2/15/2025, 7:17:11 AM

Today's Data Term *Data Culture* A "data culture" refers to an organizational environment where employees at all levels value, practice, and actively use data to inform decision-making, meaning data is considered a central component of operations and is readily accessible and utilized to drive business outcomes across the entire company, not just within specific departments. Essentially, it's a culture where data-driven insights are the norm rather than the exception.

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2/18/2025, 4:53:29 AM

Today's Data Term *Data Asset* A data asset is a collection of data that can be used to create value for an organization. Data assets can be structured or unstructured, and can include databases, documents, visualizations, and applications. Data assets help organizations to become more efficient, competitive, and profitable. Examples of data assets: Customer data, Sales data, Financial data, Sensor data, Survey data, and Web and social media data.

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2/16/2025, 5:06:54 AM

Today's Data Term *Data Validation* Data validation is the process of checking the accuracy, quality, and structure of data before it's used. Data validation tools automatically check and verify data for accuracy, completeness, and conformity to predefined standards.

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2/14/2025, 7:21:27 AM

Today's Data Term *Data Lineage* This refers to the process of tracking the movement and transformation of data from its source to its final destination, essentially mapping out the complete lifecycle of data, including all changes and processing steps it undergoes along the way, allowing for better understanding of where data originates and how it has been modified throughout its journey; it is like a family tree for data, showing its origin and lineage through various systems and processes.

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2/13/2025, 4:51:34 PM

https://www.bbc.com/reel/video/p0dwntct/can-you-learn-to-predict-the-future-

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2/13/2025, 1:44:34 PM

Today's Data Term *Return on data assets* This refers to a metric that measures how effectively a company is able to generate profits from its data inventory, essentially quantifying the financial value derived from utilizing its data assets to drive business outcomes like increased revenue or cost savings

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2/13/2025, 4:57:39 PM

https://www.bbc.com/news/articles/cy7g45g2nxno

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2/17/2025, 9:07:27 AM

Today's Data Term *Data Classification* This is the process of categorizing data based on its sensitivity, importance, and potential impact if it's accessed, altered, or lost. This helps organizations protect their data more effectively, ensure regulatory compliance, and optimize their data management strategies ¹. There are several types of data classification, including: - *Public*: Information that can be freely accessed and shared - *Internal*: Information intended for use within the organization - *Confidential*: Sensitive information that requires restricted access - *Restricted*: Highly sensitive information that requires the highest level of security