Tuesday, December 2, 2008

Star Plots

This is a star plot of multivariate data or a graphical data technique of representing crime rates in the United States. Each shape represents different variable amount but oddly enough they aren't star shaped they are irregular shaped polygons.

Correlation Matrix

Correlation Matrix uses a series of colors to visualize correlation among a random set of qualitative variables . Unfortunately Methodologist don't see this method as a useful validation technique due to differing degrees of importance.

Similarity Matrix

Similarity Matrix uses a series of colors to visualize similarities from a set of qualitative variables to create a simple decision tree using algorithms. Unfortunately Methodologist don't see this method as a useful validation technique due to the degree of difficulty in replication.

Stem and leaf plot


This is a stem and leaf plot that quickly summaries graphical displays of quantitative data in intervals. The feature is useful in determining the mode and median as well as comparing data sets.

Box Plot


Box plots are statistical measures of the median, upper and lower quartiles, and the minimum and maximum values which is useful when comparing side by side data sets but detailed information can be lost analyzing exploratory data.

Histograms

This is a statistical summary representation of approximate frequencies of students (classes) that scored various percentages (frequency) during final exams. This process is useful in determining probability.

Parallel Coordinate Graph

Parallel Coordinate graphs are merely visualized clutters. This graph attempts to plot multivariate analysis on the same graph but this causes confusion and inconsistencies with readings.

Triangular Plot

This image is redundant, a triangular plot is just that a a three dimensional object hence the triangle with three variable percentages plotted within the triangle. This has been very useful in the real estate market to show profitable interest within certain areas.

Windrose

This is an graphic instrument that uses a compass point to to determine wind direction and speed by meteorologist to prepare weather updates.

Climograph


This Climograph is a visual representation of two variables , precipitation and temperature over a specific time plotted on a graph . This is useful in determining the average weather for an area during a particular time or season.

Population Profile


This is a population profile of the United Kingdom. It is an analysis of the male and female population in various age ranges. This information would be useful to the Census Bureau when looking at funding for social programs.

Scatterplot


This scatter plot graph is quick and easily designed by plotting multivariate values that share a common association or correlation on a graph free handed. As seen in this scatter plot the years of experience a person has will ultimately affect their income.

Index Value Plot

The index value plot graphs condition of sites being monitored from 1988 until 1993 for changes in vegetation area in sampled woodland sites. Index value plots are useful when showing change over time.

Accumulative Line Graph

This is an example of the Lorenz curve or an Accumulative line graph meaning the overall probability of two scenarios distributed on a graph. These distributions can be infinite but will always start at 0 but are invariant .

Bilateral Graph

This particular bilateral graph shows positive and negative values for two variables global corporate governance versus the nations wealth in 3rd world countries in 2002. The strong the corporate governance the stronger the nations wealth.

Monday, December 1, 2008

Nominal Area Choropleth Map


Also known as a descriptive map this nominal area choropleth map provides geographical information about Canada's vegetation. The variation in color is associated with qualitative differences.

Standardized Choropleth Map

Even though the legend is unclear this is a standardized choropleth map by normalizing raw data in other terms, providing percentage information of the total population of Canada residents that are 14 years old and under during the 2006 census.

Bivariate Choropleth Map



The side by side compasion map represent two sets of spatial data, the correlation between land use and life expentancy in Africa, on one map with nominal data and an interactive use of color.

Unclassed Choropleth Maps



This is an example of an unclassed choropleth map it is hard to interpret between the classes it represents due to the use of monotone coloring and shading.

Classed Choropleth Maps


As with most classes choropleth maps it is easy to interpret this map, with very few colors being used it is less confusing to distinguish between the different data attribution classifications being displayed.

Continously Variable Proportional Circle Map

In a continously variable proportional circle map the size of the symbols will vary due to the direct value of the data it represents. The bigger the circle the more value it holds.

DOQQ


DOQQ also known as Diqital Orthophoto Quarter Quandrangles is one quarter of a digital angle that is displaced by the camera angle in which the terrain has been removed at a scale of 1:12,000.

DEM

Also known as Digital Elevation Model, DEM's are simple regularly spaced elevations of various ground positions. The normal scale is 1:250,000 and is based on latitude and longitude locations.

DLG

Also known as Digital Line Graph, DLG's are digital representations of cartographic information in large, medium, or small scales derived from ditigal vectors of other maps.