Statistics And Graphs

This page demonstrates through some simple examples how to use statistical tools to process your observations and create graphs for papers or presentations.

Initially, this tutorial will use SAS and gnuplot to create graphs. We should expand it to demonstrate how to use Matlab and SPSS which are also popular and powerful tools for doing statistics.

Example 1. You are interested in two visualization methods and want to compare the speed a task is completed with both. First, setup your experiment and collect your samples which might be of this form:

technique    time
1            12
2            7
1            13
2            9
1            20
2            10
1            16
2            12
1            13
2            15
1            14
2            6

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Example 2. You surveyed a population and want to run statistical analysis on the data collected and produce graphs showing the result.

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