Sunday, April 26, 2009

Lorenz Curve

This is an example of the Lorenz Curve.  It shows income distribution in a way that highlights economic inequality   As the graph illustrates, the middle class has a disproportionate amount of the overall wealth.

Index Value Plot

Index Value Plots are used to show the performance of a stock over a period of time.   As you can see, the ATR % correlates somewhat with the performance of the Nifty Close stock.

Scatterplot

This scatterpot shows the percentage of military recruits compared to the general population.  This graph shows a positive correlation, with a fairly significant trend line.

Population Profile

This is a projected population profile of people with, and without AIDS in Botswana, in the year 2020.  This map shows some very troubling data.  It appears that over half of the babies born in the country will have AIDS, and the percentages get worse as age 20 approaches.  By the time the people of Botswana approach 80, they will almost certainly have AIDS. 

Climograph

This climograph shows the monthly precipitation and temperature conditions. The Precipitation is shown by the bar graph, and a line graph shows the temperature.  The graph tells us that precipitation have somewhat of an inverse relationship in this area.  

Windrose

This is a windrose of Springfield, Missouri taken in the month of January over a 34 year span.  the map shows that most of the wind blows to the southeast, and most of the wind blowing in every direction blows between 5-12 kts.

Triangular Plot

This is a triangular plot of an estimated voting outcomes in England.   This style of graph is capable of pitting three different variables against each-other.  This graph shows data that adds up to a number above 100%, meaning that there must be some voters who fit under multiple categories.