| id | Time_point | PE | IFN | TNF | Type | Value |
23 | 2 | 0 | 0 | 0 | | |
23 | 6 | 0.015 | 0.259 | 0 | | |
25 | 1 | 0 | 1.84 | 0.85 | | |
25 | 2 | 0.021 | 0 | 0 | | |
25 | 6 | 0 | 0 | 0.051 | | |
25 | 12 | 0.07577 | | | | |
27 | 2 | 0.63 | | | | |
27 | 6 | 0 | | | | |
27 | 12 | 0 | 0 | 0 | | |
41 | 1 | 0.00242 | 0 | 0 | | |
41 | 2 | 0 | 0.184 | 0 | | |
41 | 3 | 0 | | | | |
41 | 6 | 0.07153 | 0.00104 | 2.2 | | |
41 | 12 | 0 | 0 | 0 | | |
45 | 1 | 0 | | | | |
45 | 2 | 1.39 | 0 | 0 | | |
45 | 3 | 1.91 | 0 | 0 | | |
45 | 6 | 0.376 | 0 | 0 | | |
48 | 1 | 0.000705 | 0 | 0 | | |
48 | 2 | 0.196 | 0 | 0 | | |
48 | 3 | 0.00488 | 0 | 0 | | |
48 | 6 | 0.566 | 1.287 | 0.43 | | |
48 | 12 | 0 | 0 | 0 | | |
50 | 1 | 0 | | | | |
50 | 2 | 0.308 | | | | |
50 | 3 | 0.44 | | | | |
数据格式如上,希望生成新变量type和value,type为PE,IFN或TNF;value为对应的具体数值。实际上相当于横向数据变成纵向数据。id和Time_point会重复。
请教如何用stata实现。谢谢!