columbiaer 发表于 2014-3-19 19:36
题目:Consider the monthly 3-month Treasury Bill rates on the secondary market from January1934 to ...
数据就是像这样的很多100多行数据,这里要将rate列赋给yt
year mon day rate
1934 1 1 0.72
1934 2 1 0.62
1934 3 1 0.24
1934 4 1 0.15
1934 5 1 0.16
1934 6 1 0.15
1934 7 1 0.15
1934 8 1 0.19
1934 9 1 0.21
1934 10 1 0.27
1934 11 1 0.25
1934 12 1 0.23
1935 1 1 0.20
1935 2 1 0.19
1935 3 1 0.15
1935 4 1 0.15
1935 5 1 0.15
1935 6 1 0.15
1935 7 1 0.15
1935 8 1 0.16
1935 9 1 0.20
1935 10 1 0.20
1935 11 1 0.16
1935 12 1 0.15