Choropleth
A choropleth map is a thematic map in which areas are shaded or patterned in proportion to the measurement of the statistical variable being displayed on the map, such as population density or per-capita income. Choropleth maps provide an easy way to visualize how a measurement varies across a geographic area or show the level […]
Cartogram
History of Cartogram In 2025, cartogram maps continue to evolve as powerful tools for visualizing complex spatial data. Modern cartograms not only distort shapes to emphasize data patterns but also incorporate advanced techniques such as color-coding and interactive features, enabling users to explore data dynamically. These maps are widely used in fields like politics, economics, […]
Bar Chart
Bar charts are a fundamental tool in data visualization, widely used for their simplicity and effectiveness in making comparisons across categories. Following best practices in bar chart design – such as starting the value axis at zero, maintaining consistent bar widths, and using clear labels, ensures accurate and honest representation of data. Whether you’re creating […]
Area Chart
An area chart or area graph is based on the line chart but is used to primarily communicate the summation of data rather than represent individual data values, as in line charts. The area between axis and line is usually emphasized with colors, textures or hatchings. The area underneath the line can help one to […]