UGA Tobacco Documents Project
Go to Home Page Plot Significant Differences Between Document Groupings |
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This tool allows you to determine whether particular words or phrases are dominant in one group of documents compared to the document corpus as a whole. You can select groups according to decade, industry source, and target audience. Output includes graphs of raw frequencies and relative frequencies of the terms you select, as well as z-scores to assist in determining if the difference from the norm is statistically significant. Follow the blue hyperlinks to the Glossary page for additional information. |
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NIH-NCI Tobacco-Documents Project at the University of Georgia (Grant # 1 RO1 CA87490). The scripts run by this server are the invention of Clayton Darwin using Python . All graphical displays are created on the fly using ChartDirector© from ASE . |