March 24, 2017 weihaol

The goal in this tutorial is to constructing appropriate summary measures, tables, and graphs. There are numerous ways to do presentation. a variety of graphs, including bar charts, pie charts, histograms, scatter charts, and time series graphs Numerical summary measures such as counts, percentages, averages and measures of variability Tables of summary measures such as totals, averages, and counts, grouped by categories Data sets, Variables, and Observations A data set is usually a rectangular array of data, with variables in columns and observations in rows. A variable is a characteristic of members of a population. An observation is a list…

March 16, 2017 weihaol

MODELING AND MODELS In business analytic, the term model is an abstraction of a real problem. In real life, when people try to solve a specific problem, they will always need to make a model to carry key features about that problem. The reason why they do this is because when a model can properly describe a problem, people can change the inputs to that model, and see whether the new inputs can solve the problem within the model. If it is pretty abstract, we can discuss it later in posts. But at least right now we know that making…

March 8, 2017 weihaol

Yumeng and me are the people who are always searching great foods outside our home. We love to eat outside is not because we love eatting outside. We eat ouside is because we learn! Yes, it is another day. For some people, every day is the same. Get up, go to school until dark, then come back home, study, play, and finally get to bed. This was the thing I did every day and finally, I realized having a good life shouldn’t be just looping my schedule like a program. So, being productive in life is important. At this point,…

February 24, 2017 weihaol

Lorem ipsum dolor sit amet, libero luctus, dui dolor tincidunt justo, montes pede placerat in massa et, in lorem egestas vel placerat dui. Egestas lacinia tortor, nec dicta nunc eget fusce. Metus velit tempor vel, neque vitae porttitor, mauris metus diam, nibh mi donec aliquam imperdiet, mauris ut massa. Sed erat est, congue tellus nec primis sed, tortor odio eu, reprehenderit eu velit faucibus in pulvinar. Quis luctus non sagittis, erat curabitur justo. Vitae sem dui neque, non nibh mauris habitasse in consectetuer, amet tempus et. Urna tellus ut dolor quam pellentesque consequatur. Adipiscing et sed, tincidunt tortor dolor, pellentesque…

February 24, 2017 weihaol

Lorem ipsum dolor sit amet, libero luctus, dui dolor tincidunt justo, montes pede placerat in massa et, in lorem egestas vel placerat dui. Egestas lacinia tortor, nec dicta nunc eget fusce. Metus velit tempor vel, neque vitae porttitor, mauris metus diam, nibh mi donec aliquam imperdiet, mauris ut massa. Sed erat est, congue tellus nec primis sed, tortor odio eu, reprehenderit eu velit faucibus in pulvinar. Quis luctus non sagittis, erat curabitur justo. Vitae sem dui neque, non nibh mauris habitasse in consectetuer, amet tempus et. Urna tellus ut dolor quam pellentesque consequatur. Adipiscing et sed, tincidunt tortor dolor, pellentesque…

February 24, 2017 weihaol

Lorem ipsum dolor sit amet, libero luctus, dui dolor tincidunt justo, montes pede placerat in massa et, in lorem egestas vel placerat dui. Egestas lacinia tortor, nec dicta nunc eget fusce. Metus velit tempor vel, neque vitae porttitor, mauris metus diam, nibh mi donec aliquam imperdiet, mauris ut massa. Sed erat est, congue tellus nec primis sed, tortor odio eu, reprehenderit eu velit faucibus in pulvinar. Quis luctus non sagittis, erat curabitur justo. Vitae sem dui neque, non nibh mauris habitasse in consectetuer, amet tempus et. Urna tellus ut dolor quam pellentesque consequatur. Adipiscing et sed, tincidunt tortor dolor, pellentesque…