Word Cloud is a visualisation method that displays how frequently words appear in a given body of text, by making the size of each word proportional to its frequency. All the words are then arranged in a...
A Violin Plot is used to visualise the distribution of the data and its probability density. This chart is a combination of a Box Plot and a Density Plot that is rotated and placed on each side, to show...
A Venn Diagram is a diagram that visually displays all the possible logical relationships between a collection of sets. Each set is typically represented with a circle. Contained within each set is a...
Data visualization is the graphic representation of data. It involves producing images that communicate relationships among the represented data to viewers of the images.
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 data along...
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 Graph...
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 the two...
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. Flow arrows...
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...
Radar Charts are a way of comparing multiple quantitative variables. This makes them useful for seeing which variables have similar values or if there are any outliers amongst each variable. Radar Charts are also useful...
Proportional Area Charts usually use squares or circles. However, any shape can be used, so long as you use the shape’s area to represent the data. A common technical error with area charts is to use one length to...
A Population Pyramid is a pair of back-to-back Histograms (for each sex) that displays the distribution of a population in all age groups and in both sexes. The X-axis is used to plot population numbers and the Y-axis...
Point & Figure chart is used to display the relationship between supply and demand of a particular asset through a series of columns made up of X’s and O’s. Point & Figure Charts are time-independent...
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...
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...
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...
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...
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...
Pictogram Charts use icons to give a more engaging overall view of small sets of discrete data. Typically, the icons represent the data’s subject or category, for example, data on population would use icons of people...
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