April 1, 2016
Recently, I had to visualize dynamic network. More specifically, I had to visualize social contagion(crowdfunding participation)over a social network. I would like to share may experience how to visualize the dynamic network.
I employanimations to incorporate dynamic ch...
June 1, 2015
There are various binary classifiers, such as logistic regression, deep learning, random forest, gradient boosting trees, etc. I am going to compare the performance of these methods.
The data set that I use is provided by a company that develops an adaptive learni...
October 1, 2013
Google trend provides a time-seriessearch index of a search keyword. The search indexshows how many times keywords are searched.It is important to note that search index is not exact search volume. Google masked real search volume and providerescaled search index which...
September 4, 2013
Product reviews containvaluableand priceless information. Theyreflectword-of-mouth, consumers'preferences, VOC (voice of customer), etc. Thus, keep monitoring product reviews is necessary for manufactures. The manufacturerscan not only proactively react to VOC but also...
July 18, 2013
The Alexa Web Information Service API makes Alexa’s vast repository of information about the web traffic and structure of the web available to developers. The followingfigure illustrates weekly page views of google website collected through the Alexa Web Information Se...