作者kero961240 (阿哲)
看板Statistics
标题[问题] 国外mba 统计问题
时间Sun Oct 11 21:48:22 2015
不好意思 小弟目前在国外读书遇到了一个统计问题 想了三天
想不出所以然，可否给小弟一些灵光 题目如下
Question: 2. You are asked to predict orders for the next two periods. You have information
available for the overtime hours used for each quarter.
Quarter Orders Overtime
1 53 22
2 56 23
3 52 25
4 62 31
5 47 21
6 46 22
7 48 20
8 57 29
9 43 23
10 45 12
11 46 22
12 53 26
13 38 16
14 35 17
a. Find the best method to predict orders.
b. Discuss the model fit.
c. Predict the orders for the next two periods.
d. Would you recommend using this model? Explain
小弟愿赠送p币
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1F：推 expiate: 感觉是要做ARMA，这个作业是跟time series analysis有关? 10/12 09:55
2F：→ kerwinhui: 感觉应该是 seasonal ARIMA(1,1)_4 吧 10/12 18:24