Hello.
I have a question with respect to using the lincom command after the margins command. Specifically:
The output is the following:
I want to compare now 1._at in x1 with 3._at in x2, and 2._at in x1 with 4._at in x2. I use the two commands below:
but get a message:
Would be grateful for any help.
I have a question with respect to using the lincom command after the margins command. Specifically:
Code:
margins, dydx(x1 x2) at(x1=(-1 1) m=1) at(x2=(-1 1) m=1)
Code:
1._at : x1 = -1
m = 1
2._at : x1 = 1
m = 1
3._at : m = 1
x2 = -1
4._at : m = 1
x2 = 1
------------------------------------------------------------------------------
| Delta-method
| dy/dx Std. Err. t P>|t| [95% Conf. Interval]
-------------+----------------------------------------------------------------
x1 |
_at |
1 | .0209352 .0082171 2.55 0.011 .0047658 .0371046
2 | -.0156448 .0142666 -1.10 0.274 -.0437181 .0124286
3 | -.0001046 .0096455 -0.01 0.991 -.0190849 .0188756
4 | -.0001046 .0096455 -0.01 0.991 -.0190849 .0188756
-------------+----------------------------------------------------------------
x2 |
_at |
1 | -.0038224 .0203805 -0.19 0.851 -.0439267 .0362818
2 | -.0038224 .0203805 -0.19 0.851 -.0439267 .0362818
3 | -.0310065 .0207587 -1.49 0.136 -.0718548 .0098418
4 | .0131324 .0292628 0.45 0.654 -.0444501 .0707149
------------------------------------------------------------------------------
Code:
lincom [x1]_b[1._at]-[x2]_b[3._at] lincom [x1]_b[2._at]-[x2]_b[4._at]
Code:
equation [x1] not found r(303);