## What is a Stem and Leaf Plot?

Stem & Leaf Plots are a way of organising data via their place value to show the distribution of data. Place values are shown ascending downwards on a “stem” column, typically but not always in...

## What is a Stacked Bar Graph?

Unlike a Multi-set Bar Graph which displays their bars side-by-side, Stacked Bar Graphs segment their bars. Stacked Bar Graphs are used to show how a larger category is divided into smaller categories and what...

## What is Stacked Area Graph in Data Visualization

Stacked Area Graphs work in the same way as simple Area Graphs do, except for the use of multiple data series that start each point from the point left by the previous data series. The entire graph represents...

## What is Spiral Plot in Data Visualization?

Spiral Plots are ideal for showing large data sets, usually to show trends over a large time period. This makes Spiral Plots great for displaying periodic patterns. This type of visualisation plots time-based...

## What is a Span Chart in Data Visualization

Span Charts focus the reader on only the extreme values and give no information on the values in between the minimum and maximum values or on averages or data distribution. Also known as a Range Bar/Column...

## What is a Scatterplot in Data Visualization

Scatterplots use a collection of points placed using Cartesian Coordinates to display values from two variables. By displaying a variable in each axis, you can detect if a relationship or correlation between...

## What is Sankey Diagram in Data Visualization

Sankey Diagrams display flows and their quantities in proportion to one another. The width of the arrows or lines are used to show their magnitudes, so the bigger the arrow, the larger the quantity of flow...

## What is Radial Bar Chart ?

A Radial/Circular Bar Chart is simply a Bar Chart plotted on a polar coordinate system, rather than on a Cartesian one. While they look cool, the problem with Radial Bar Charts is that the bar lengths can be...

## What is a Pie Chart in Data Visualization?

Extensively used in presentations and offices, Pie Charts help show proportions and percentages between categories, by dividing a circle into proportional segments. Each arc length represents a proportion of each...

## What Is a Data Warehouse?

Data warehousing is one of the hottest topics both in business and in data science. But if you’re new to the field, you’re probably wondering what a data warehouse is, why we need it, and how it works. Don’t worry...

Hi, I am Ned Krastev – co-founder of 365 Data Science, and I am happy to announce the latest release in the 365 Data Science Program – the Introduction to Business Analytics course. In this post, I’ll briefly...

## Data Science Cover Letter Dos and Don’ts

A well-thought-out cover letter can give your job application a powerful edge, especially in the highly competitive field of data science. But what are the most crucial data science cover letter dos and don’ts? In this...

## How to Become a Data Analyst Intern?

Starting off as a data analyst intern is one of the best ways to begin a career in the field of analytics and data science if you don’t have any prior working experience. The benefits of a data analyst internship are...

## Product Management for AI & Data Science

We’ve been developing this project for a while, and finally, the time has come to launch our newest collaboration with an acknowledged expert in the field of AI and data science. We’re happy to announce the release of...

## Data Analyst vs. Business Analyst: What Is the Difference?

What is the difference between a data analyst and a business analyst? In smaller companies, the job titles are sometimes interchangeable, and both describe roles that involve analyzing data and systems. However, bigger...

## Starting a Career in Data Science

We’ve been working quietly on this project for some time, but finally, we’re ready to reveal our latest collaboration with a top industry expert in the field of data science. We’re super excited to announce the launch...

## Data Engineer Cover Letter Sample and Template

Data Engineer Cover Letter Template An impressive data engineer cover letter can win your job application a decisive victory. When writing a cover letter, make sure to start it in a noteworthy way: you can open your...

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