Classification of social media
Social media technologies take on many different forms including magazines, Internet forums, weblogs, social blogs, microblogging, wikis, social networks, podcasts, photographs or pictures, video, rating and social bookmarking(tagging). By applying a set of theories in the field of media research (social presence, media richness) and social processes (self-presen
1 – 1. Decision Tree Using User-defined Algorithm(By SAS E-miner)
Splitting Condition : Entropy Reduction
Minimum Number of Observation : 46(1% of Data Set,
To avoid Overfitting & Underfitting)
Test Accuracy = 1266/1389 = 91.74%
Accuracy is increased little as Decision Tree used by C4.5
Because, Decision Tree is sufficiently good classifier.
According to the above graph, we can find that most of the people live in apartment. That’s why we selected the apartment. In modern Korean society, the general house is apartment. On the one hand, apartment is very convenient and efficient building. On the other hand, it has some problems. According to another data, 40.6% of all respondents replied that the biggest problem of apartment is spa
2. Political and legal issues◎ Safety issue
In 2005, U.S. emergency center reported more than 200 thousand accidents caused by toys. Needless to say, quality improvements and handling safety issue raises cost for the firm. This becomes a great issue considering industry environment described above; aggravated by the increase in production price, coming from the increase in the material cost.
1. Introduction
Shin-Sung Tong-Sang co. ltd. which exports knit-apparel was founded in 1968. It drove multiple fashion businesses such as licensing to produce ‘UNIONBAY’ which S.P.I’s easy-casual brand in 1990, launching ‘OLZEN’ which is high-class traditional brand in 1994, and launching ‘Zio Zia’ in August, 1995.
‘Zio Zia’ was launched as unisex-total-city-casual brand and