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Entries for the 'Data Analysis & Modeling' Category

» 3 Ways to Optimize Big Data and Predictive Analytics

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3 Ways to Optimize Big Data and Predictive Analytics

Predictive Analytics can play a massive role in the simplification of Big Data. The role it plays comes down to getting the most out of this Big Data, and it starts with what some people refer to this as the fourth “V” of Big Data (Velocity, Variety, Volume), and that is Value. Predictive Analytics takes all of the data available and can pull the m...

» FEATURED: Four Very Useful Constructs for Concept Models: Developing a Structured Business Vocabulary

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Four Very Useful Constructs for Concept Models: Developing a Structured Business Vocabulary

A missing ingredient in most current approaches to IT requirements and business rules is developing a standard business vocabulary, a concept model. Every business analyst should be familiar with the technique – it’s simply about clear thinking and unambiguous communication. What are basic constructs in developing a concept model? This article disc...

» FEATURED: How to Introduce The Decision Model Successfully

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How to Introduce The Decision Model Successfully

All paths to organizational decision modeling encounter a common question: How do you introduce The Decision Model into an organization? More specifically, how do you gain management attention for delivering decision models as a standard practice? This month’s column addresses that question.

» FEATURED: Data Modeling: Entity-Relationship Diagram (ER Diagram)

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Data Modeling: Entity-Relationship Diagram (ER Diagram)

This article describes the Entity Relationship Diagram that allows you to document the structure of a database in terms of persistent entities and the relationships between them. The Entity-Relationship Diagram (ERD) provides a way of graphically representing the logical relationships between entities in order to create a database schema to p...

» FEATURED: 2012: A Critical Moment in Time for The Decision Model

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2012: A Critical Moment in Time for The Decision Model

This means that The Decision Model is at the center of a serious shift in the way we perceive and manage the business rule and logic dimension. So, this month’s column highlights the shift, starting with 2009 and ending with 2012. At its core are the seven observations indicating that a shift is happening. More important, each observation contains ...

» FEATURED: More on Decision Tables and The Decision Model in Practice

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More on Decision Tables and The Decision Model in Practice

This month’s column is not a debate about decision table theory versus decision model theory. Instead, it focuses on current practices for decision tables and those of The Decision Model. It covers (1) Four Benefits of Decision Tables (2) Decision Tables in Practice (3) The Decision Model in Practice (4) The Science Behind the Transformation Steps ...

» FEATURED: Logical Data Analysis – Understanding Data and Their Relationships

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Logical Data Analysis – Understanding Data and Their Relationships

When we first look at data fields on a business document, they appear complex. However once we analyze and understand them, they become simple. This is one of the purposes for a technique called normalization – to understand data fields and their relationships.

» Data Analysis for Business Analysts: Data Modeling in an Agile Team

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Data Analysis for Business Analysts: Data Modeling in an Agile Team

One of the most significant characteristics of an Agile engagement is that technical and business professionals work collaboratively to grow the system. The team agrees upon the goals for the project, as well as the order in which the requirements will be addressed on each of the sprints... At least one team member should have the role of “data adv...

» FEATURED: The Unanticipated Role of The Decision Model in Data Quality

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The Unanticipated Role of The Decision Model in Data Quality

Today many business analysts are creating business-oriented decision models. These decision models contain business logic for operational decisions that operate within business processes. And, it is no surprise that data quality is critical to business-oriented decision models. After all, good decision models operating with bad data are no better t...

» FEATURED: An Introduction to Data Flow Diagrams

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A data flow diagram (commonly abbreviated to DFD) shows what information is needed within a process, where it is stored, and how it moves through a system to accomplish an objective. As its name implies, a data flow diagram depicts the flow of data within a system.

» FEATURED: Data Modelling & Object Oriented Development

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Data Modelling & Object Oriented Development

At some stage in their working life, every business analyst will have some involvement with data modelling. They may need to model how data is (or will be) used or - if they only deal with requirements investigation - then someone else in the team will need to verify that the data to support new functions will be available.

» FEATURED: Data Flow Diagram with Examples & Tips

(56224 Views) (5 Comments)

The Data Flow Diagram (DFD) provides a graphical representation of the flow of data through a system. It shows logically what information is exchanged by our system processes and external interfaces or data stores, but it does not explicitly show when or in what sequence the information is exchanged.

» FEATURED: Putting Systems Analysis “Into Context” using the Context Diagram

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This article is all about putting your systems analysis into context; literally and metaphorically. It’s all about drawing and interpreting the not-quite-UML Context Diagram that is sometimes referred to as the System Context Diagram.

» Transaction Business Logic

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Transaction Business Logic is the processing required in processing database transactions to enforce business policies. It is sometimes characterized as Enforcement logic, since the transaction should be rejected if the rules are not passed. Consider the insertion of a new Purchase Order...

» FEATURED: Better, Faster, Cheaper Part II - The Decision Model Meets Data Quality Head On

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Better, Faster, Cheaper Part II - The Decision Model Meets Data Quality Head On

In this article, I explain a project completed in the financial services industry. A client asked me to lead a project to redesign a failed sub-process that had resulted in billions of dollars of backed up financial transactions. This particular financial process had a history of failed and abandoned process improvement projects. The pressure was o...

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Business Analyst Articles: Business Analysis & Systems Analysis

Entries for the 'Data Analysis & Modeling' Category

Join the Premier Community for Business Analysts, Business Process Professionals, Systems Analysts, Data Analysts, and more…

Business Analyst Articles: Business Analysis & Systems Analysis

Entries for the 'Data Analysis & Modeling' Category

Join the Premier Community for
Business Analysts, Business Process Professionals,
Systems Analysts, Data Analysts, and more…