Better recognized perhaps as “bar graphs” to most people, in the world of statistics, histograms provide a graphic representation of a set of data.  This graph can be used to make inferences about the data and draw conclusions about the sample and population.  In this article, we’ll dive into a few new functions available as [...]

Easily the most useful application of the GD library is the ability to dynamically output clean, sharp graphs and charts.  A scatter plot, the plotting of points based on an independent variable and the dependent variable (usually X and Y), is a great application that uses several common GD functions and is useful for data [...]

There are hundreds of libraries available to add on to the PHP base, and GD is just one of those with thousands of possibilities.  Used to process images and even dynamically create and output graphics, the GD library is relatively easy to learn with distinct potential in the graphics world. In this article, I will [...]