Data Science & Analytics – Page 5

Data Completeness: Definition, Testing, & Quality Assurance

(Updated) Not all data is good quality, and a common driver of poor quality is a lack of data completeness. Completeness is one of 10 standards for data quality: Accessibility, Accuracy, Comparability, Consistency, Credibility, Relevance, Timeliness, Uniqueness, Reasonableness, and Completeness In a sentence, data completeness is the percent of all required data currently available in […]

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What is Market Intelligence Data? 4 Easy Examples & Sources

Understand Data Analysis

The most successful companies today leverage data to optimize customer experiences. While understanding one’s customers is key, small and medium-size businesses earn a strong competitive edge when they use data to understand market conditions and competitors. In a sentence, market intelligence data consists of tabular details addressing a market’s customers, competitors, suppliers, and macroeconomics, using

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What is a data object? Definition, Types, & Examples

Understand Data Analysis

If you’ve ever tried to understand data objects from a textbook or formal documentation, you probably ended up confused. Data object are a simple concept, but their meaning usually gets lost in dense wording. The purpose of this article to to clearly define data objects, explain their various types, and provide examples so you walk

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Dummy Data: Definition, Example & How to Generate It

Understand Data Analysis

Dummy data isn’t exactly dumb — on the contrary. Analysts that use dummy data are often the smart ones in the room, since dummy data is kind a safety mechanism for data integrity. It’s a trial subject of sorts, applied to unknown programs, or program modifications, before valuable data is used. OK, that’s a high-level

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What is data modeling? A Visual Introduction with Examples

Understand Data Analysis

In their simplest form, data models are diagrams that show 3 dimensions: 1. what data an organization collects, 2. in which section of the organization it is collected, and 3. how each section’s data relates to others. Data modeling (modelling) is the process of creating those data models. But for most people, this description isn’t

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data analysis types, methods, and techniques tree diagram

Data Analysis: Types, Methods & Techniques (a Complete List)

Understand Data Analysis

(Updated Version) While the term sounds intimidating, “data analysis” is nothing more than making sense of information in a table. It consists of filtering, sorting, grouping, and manipulating data tables with basic algebra and statistics. In fact, you don’t need experience to understand the basics. You have already worked with data extensively in your life,

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Business Analyst vs Data Analyst: what’s the difference?

Understand Business Analysis

In a word, the difference is scope. Business analysts (BAs) collect requirements to improve individual work flows or launch single products, whereas data analysts extract insights from data to understand process efficiency, market potential, customer behavior, financial performance, and more for an entire department. While BAs may use descriptive and diagnostic data analysis to validate

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4 Top Data Analyst Skills (That You Can Learn Right Now)

Data Analyst Skills

When I started learning data analysis, I had a mentor who taught me not to think about learning skills, but about learning the data treatment cycle. The data treatment cycle is cleaning, exploring, visualizing, & analyzing. When we think about skills as parts of these steps, it’s much easier to understand why we learn them,

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man teaching how to be come a business analyst

What is a business analyst? (3 Types You Didn’t Know About)

Understand Business Analysis

A few Google searches show that there’s significant misunderstanding of the business analyst (BA) role. Some claim BAs work on internal processes (such as a supply chain), while others claim BAs are translators between business needs and technical ability (usually in product development). This split lets wonder what a business analyst really is — what

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How to Become a Data Analyst in 7 Steps (With or Without a Degree)

Data Analyst Career

Fifteen years ago, most companies didn’t hire data analysts, and only a small number of universities offered degrees programs for it. But in the past decade, the data analyst position has grown in popularity, with advances in programming languages and educational programs available each year. On the other hand, many high caliber data analysts don’t

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