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st: Tobit Model and time series operator
From
House Wang <[email protected]>
To
[email protected]
Subject
st: Tobit Model and time series operator
Date
Thu, 20 Oct 2011 21:42:49 -0500
I run a tobit model like this: tobit y1 x1 x2 x3 i.year, ll(0) ul(1).
The i.year variable is to construct year as a categorical variable
because year is just a regular variable, not a time variable in
longitudinal sense.
But the results show that
time-series operators not allowed
r(101);
Does this suggest tobit model cannot take time-series operators or
anything else?
Should I use other formats of operators?
Thanks.
Jianying
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