Posts Tagged ‘ visualization ’

Do city buses in the US make a profit?

June 15, 2015
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What cities have the most and least profitable public transportation services in the US? Perhaps you can find out in this graphical visualization of the data! The US data I'm analyzing here covers things like buses, vans, and rail ... but it might be even more interesting to analyze data from

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Use MongoDB as a JSON factory

September 9, 2013
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MongoDB is a persistent data store for JSON formatted data, which seems like an ideal middleware between the data tier software and the web. With MongoDB, Javascript's Map/Reduce functionality makes many trivial jobs particularly easy, such ...
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Bubble plot by SAS and Highcharts.js

August 27, 2013
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Bubble plot by SAS and Highcharts.js

Bubble plot is a nice data visualization choice for three dimensional numeric variables. It seems quite popular on web and documents. Static plotting by SAS Since SAS 9.3, PROC SGPLOT provides a bubble statement, which makes a bubble plot eas...
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Use Google Trends and SAS to select movies to watch

June 7, 2013
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The newest success story about data science is Google search predicts box office with 94 percent accuracy. I am a frequent movie theater goer, and it will be great if we can implement Google's impressive research result. There are quite a few...
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Make all SAS tables sortable in the output HTML

January 16, 2013
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Most procedures in SAS generate stylish tables in the output HTML files. An option to sort the tables without bothering SAS again will be very handy for people who are familiar with Excel. The JavaScript libary jQuery has a number of plug-ins. ...
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SAS and D3.js (3): draw a map to display US cities’ murder rates

January 14, 2013
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Robert Allison has given an excellent map example by SAS/GRAPH about the murder rates per 100,000 people in the major US cities. To emulate this map, we should annotate the cities and use the size of the bubbles to represent the murder rates...
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SAS and D3.js (2): a macro to draw dynamic bar chart

January 10, 2013
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More and more statistical softwares are able to create interactive web application. The recent shiny package by RStuido is a good example. Besides, in the world that JavaScript rules the browsers, D3.js seems to be very promising for rich data visual...
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SAS and D3.js (1): a macro to draw scatter plot

January 9, 2013
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SAS and D3.js (1): a macro to draw scatter plot

HTML is the default output format for SAS since 9.3. Implementing the popular JavaScipt frameworks such as jQuery and D3.js will allow some dynamic effects to the final HTML results. In those cases the HTML file is static, and thus no HTTP server is...
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