ST 635 HW Yi Qi
Through comparing two pictures below, there is no much difference between Figure 1 and
Figure 2. I will analyze the results based on the Figure 2.
Before classifying the sample, the overall auction competitive probability i
ST 635 HW 1
The proportion of the training set and the validation set I used is 60% and 40%, respectively.
After running the software, the model is Y=-1.5955-0.7959Gender+0.0011M0.0779R+0.3377F+0.0024FirstPurch-0.5313ChildBks-0.4406CookBks-0.8385Dol
ST 635 HW 2
The results from SAS and from XLminer are same. In this assignment, I will use the result of
SAS to demonstrate the logistic model. After establishing the model, we need to check the model
by hypothesis test. The null hypothesis is all t