Star Plots

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The above image is a star plot showing as noted above polar plot of peak height retions of oils #1 and #2 are the same and oil #3 is different. The ratios are plotted on a star to show the differences. A star plot is a graphical data analysis technique for examining the similarities or differences of all the variables in the data set.

Correlation Matrix

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The above image is a correlation matrix of commodities from magazines showing that comodities are indeed a useful asset class in putting together a diversified portfolio. A correlation matrix is a matrix that gives the correlations between all pairs of sets of data.

Similarity Matrix

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The above image is a similarity matrix of 230 different models divided into 32 different categories. The darker squares indicates the models that are higher in similarity. A similarity matrix shows similarity between two different models.

Stem and Leaf Plot

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The above image is a stem and leaf plot showing the infant mortality rates in Western Africa. A stem and leaf plot is a type of graph that organizes data to show its shape and distribution. The leaf is usually the last digit of a number and the other digits to the left of the leaf form the stem.

Box Plot

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The above image is a box plot of car milage grouped by country. A box plot is a graph that represents distribution (this case milage). The boxes mark the maximum and minimum values where the median and first and third quartiles are marked by lines parallel to the ends of the box.

Histogram

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The image above is a histogram showing the distribution of salaries from employees working with the Acme Company. A histogram is a type of graph of a frequency distribution where the bars are the widths equal to the class intervals and the heights are equal to the corresponding frequencies.

Parallel Coordinate Graph

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The above image is an example of a parallel coordinate graph. A parallel coordinate graph is not a normal line graph. The lines represent a time-series data, up and down slopes are changes through time from one value to the next. The single line in a parallel coordinate graph connects to a series of values associated with different variables.