Data Scientist Today

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...

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