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| The results in graphical form, the center curved line with the flat top is the Section 2000 value. |
| I want to argue about why people need to present their data in graphical form. My reason of studying this is because I am curious whether presenting information in graphical form can be more convenient compare to data. “Graphical presentations can be used to communicate information in relational data sets succinctly and effectively…novel graphical presentations about numerous attributes and their relationships are often difficult to understand completely until explain…One way of alleviating this problem is to design graphical presentation systems that can work in conjuction with a natural language generator to produce “explainatory captions”. “ – Mittal, 1995, page 1. Thus, with the help of computers in creating graphic aids, it is possible to create a graphics with improved rendering, real-time interactivity, and dramatically lower cost. (Card, 1999, page 1) I will use the raw data table (at the bottom of the page) and the result of data in graphical form (shown at the top) as my comparison. The diagram use line graph to show the trends of data in specific values. It includes all of the information in the raw data given which can results in precise prediction. Compare with the raw data table, it only gives an abundance of information without presenting the trend and prediction of the results for the future use. Thus, presenting data in graphical form is more convenient than just presenting the fact or the raw materials. In conclusion, people present data in graphical form is because it can be interpret easily by the readers, better understanding can improve decision making for the future use, and also convenient in terms of cost and time. Like stated by Harrower (2008) “ Uncertainty arises from both an imperfect understanding of the rare evenys and processes we wish to study…..and the imperfect, out-of-date, and incomplete data we must work in order to try understand these events and processes.” – Harrower, 2008, page 1. References: Mittal, V.O.& Roth, S.& Moore, J.D.& Mattis, j.& Carenini, G. 1995. Generating Explainatory Captions for Information Graphics. Retrieved from: http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.73.1166&rep=rep1&type=pdf Card, S.K. & Mackinlay, J.D.& Shneiderman, B. 1999. Readings in Information Visualization: using vision to think. Retrieved from: http://books.google.com/books?hl=en&lr=&id=wdh2gqWfQmgC&oi=fnd&pg=PR13&dq=information+graphic&ots=okGL3umINz&sig=bW1yInDe5WX4HZZvBsoAGZX8B7A#v=onepage&q=information%20graphic&f=false Harrower, M. 2008. Representation Uncertainty: does it help people make better decisions? Retrieved from: http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.73.1166&rep=rep1&type=pdf  |
| The raw data in tabular form |
