Correlations of quotes for 30 German stocks

For a new data article I thought it would be interesting to see if a tabular visualization of stock quote correlations might unveil interesting patterns. So for the purpose of investigating the correlations I came up with a little javascript web application that allows you to zoom into a scatter plot matrix, a density plot matrix and a correlogram (next to each other) to have closer look at an individual plot for two stocks.

Stock quotes zoomerThe top row keeps the maps and the bottom row the respective magnifying areas. On the right hand side you will find explanations on how to use this tool and further explanatory links. The combination of placing red and green mark lines aiming at a field at a high zoom level allows you to quickly locate the plot you are looking for.

Continue reading

Increase of Deaths Due to Viral Hepatitis in Germany 1998

absolute fatalities caused by viral hepatitis from 1991 until 2010The term ‘hepatitis’

The term Hepatitis is not referring to a specific disease or virus but generally refers to an inflammation of the liver (greek ‘hepar’). Responsible for such a condition can be viruses (not just the ones referred to as Hepatitis A to E), poisoning or mechanic traumas. In this article I am referring to viral hepatitis.

Continue reading

Frequency of character combinations for three languages

I was curious about the frequency in which ordered character pairs are observable in different languages. So I wrote a PHP script that fetches texts online or from the disk and parses them. I chose one classic novels as a source for one language. The choices are certainly not representative for the language but they provide some kind of insight still, I think. From the sources I only used the texts actually belonging to the novel.

Continue reading