Time dependent propensity models #44
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Not sure, can you provide an example?
Perhaps the easiest is to use time-dependent interactions, but it's not
trivial.
…On Wed, Jun 26, 2019, 10:31 AM marycombs ***@***.***> wrote:
Different from stratified ps models: how do I specify different variable
sets in g_form_TRT?
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For example, if I want to model probability of treatment at time t on “entire treatment history” and baseline covariates, I.e. in an SCM, A(t) = f_{A(t)}(W, \overline{A}(t-1)). In order to include treatment at previous time points I would create lagged variables and specify them in gform_TRT, however, even if I stratify on time, the only rows with no NAs in the lagged treatment variables will be the last row of an individual with the longest observation time. Thank you! |
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Is there any followup regarding this? Is my question clear? |
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Different from stratified ps models: how do I specify different variable sets in g_form_TRT?
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