phpguru.org offers a small and useful class to convert numbers to their textual equivalent. If you are building a accounting or invoicing application it may come in handy. The class can be downloaded form here. A sample code using the class is shown below.
Charts are an indispensable part of any data visualization work. People can grok visual representation of data easily than a textual variety. Today there are a huge number of free chart libraries available to display visualizations on websites. Below is a small list of some of the libraries available for displaying charts using php.
Most people are familiar with recommendation systems on websites, wherein after you select an item you are presented with a list of similar items other people purchased . Amazon being the popular one and also one of the first to use it. Below is shown a snapshot from Amazon. Collaborative filtering algorithms work by searching [...]
Using lines, points and other geometrical objects to visualize data has always fascinated me; specially time series. Time series charts let you visualize data points separated by time intervals. The following image shows an example of a time series data representing the salary of software engineers for a particular duration.
MIT’s Simile project has a new addition to their open source tools, ‘Seek‘. Seek adds a faceted browsing feature for Thunderbird, which lets you search through email or RSS feeds easily. A faceted classification scheme allows one to assign multiple classes to an object rather then a single predefined taxonomic class. Facets are more commonly [...]
Zend framework is gaining widespread use everyday. Each new version of the framework includes new component additions. The following shows a visual representation of the Zend framework for version 1.5. The following image was created using Microsoft Visio and then exported to PDF. I’ll be adding a linked map page soon. Click on the image [...]