I need help.
I want to make a graph with panel data, in which I must include the trend of the control group and the treatment group in the same graph, since
I need to analyze the trends for the DD method.
I already use this command:
collapse (mean) ltotrob, by(mes institu1)
to find the mean for each month for both the control group and the treatment group.
my data now:
| institu1 | mes | ltotrob |
| 1 | 4 | 0.82 |
| 0 | 4 | .83 |
| 0 | 5 | 0.78 |
| 1 | 5 | 0.79 |
| 1 | 6 | 0.97 |
| 0 | 6 | 0.68 |
| 0 | 7 | 0.31 |
| 1 | 7 | 0.18 |
| 1 | 8 | 0.36 |
| 0 | 8 | 0.86 |
| 0 | 9 | 0.74 |
| 1 | 9 | 0.12 |
| 0 | 10 | 0.82 |
| 1 | 10 | 0.46 |
| 1 | 11 | 0.24 |
| 0 | 11 | 0.78 |
| 1 | 12 | 0.24 |
| 0 | 12 | 0.81 |
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