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I am looking at the effect of an environmental treaty on greenhouse gas emissions, using 140 countries across a 24 year period...
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How to account for time specific effects?
 2 posts

Cox Regression with Age as Timescale and Age varying variables
Hi,
I'm trying to fit a model to understand the effect of a drug types for a condition on survival. I'm using stcox and my analysis is for...
 2 posts

Multicollinearity in Logistic Regression
I'm conducting an exploratory analysis of the effect that several sociodemographic factors have on food purchasing. I'm using logistic regression to assess...
 3 posts

Moderation / Interaction Effect with Split Sample Comparison
Dear Statalist members,
I want to examine a moderation effect of gender on the relationship between openess to experience resp. agreeableness...
 4 posts

Difference in differences regression?
Hi all,
I have two probably simple questions that I can't figure out, as I'm fairly new to DD models. I'm computing a relatively simple differenceindifferences...
 9 posts

Nouschka Snijders started a topic How to save slope/beta coefficients from one regression and use after second regression?in GeneralHow to save slope/beta coefficients from one regression and use after second regression?
Hey all,
I have to compare a beta coefficient from one regression with interaction terms (factorvariables) to a beta coefficient from...
 9 posts

Thiago Silva started a topic CLOGIT including an interactive term (between two dummy variables), but one of the dummy variables is being dropped due to multicollinearityin GeneralCLOGIT including an interactive term (between two dummy variables), but one of the dummy variables is being dropped due to multicollinearity
I have a question on how to properly interpret the estimates of a CLOGIT including an interactive term (between two dummy variables) into the model, but...
 4 posts

Differences in validity at different times
Hi all:
I'm conducting a study examining whether a specific intervention improves the quality of performance ratings made by managers regarding...Last edited by Edgar Kausel; 13 Jan 2017, 10:36.
 3 posts

Interpreting Interaction Terms in Tobit regression
Dear Statalist Users,
I am using Tobit model for my thesis and have a query regarding the interpretation of the interaction term.
...
 5 posts

Pablo Christmann started a topic Interactions in a FEmodel: scale of the variables to be interpreted (demeaned or orginal?)in GeneralInteractions in a FEmodel: scale of the variables to be interpreted (demeaned or orginal?)
Hello,
in an interaction in a Fixed Effects model, do I use the original scale of the modifying variable z to interpret the marginal effect...
 13 posts

Pablo Christmann started a topic Choosing appropriate _at values for the modifying variable in an interaction with margins after xtreg, fein GeneralChoosing appropriate _at values for the modifying variable in an interaction with margins after xtreg, fe
Hello,
I have some doubts about choosing appropriate _at values for the modifying variable when using margins for plotting interactions after...
 2 posts

Pablo Christmann started a topic Margins with interactions of groupmean centered and demeaned variables after xtmixedin GeneralMargins with interactions of groupmean centered and demeaned variables after xtmixed
Hello,
is there a work around for using factor variables for interactions with margins after using xtmixed?
I am estimating...
 3 posts

Giuseppe Criaco started a topic Graphing curvilinear interaction effects on Cox proportional hazards modelsin GeneralGraphing curvilinear interaction effects on Cox proportional hazards models
Dear members,
I am computing a curvilinear interaction effect on a Cox proportional hazards model:
stcox IV c.IV#c.IV MV c.IV#c.MV...
 11 posts

Andrea Maier started a topic Problem with factor variables (1.var instead of i.var in regression changes results drastically)in GeneralProblem with factor variables (1.var instead of i.var in regression changes results drastically)
Hello,
when running a regression with factor variables, I encounter certain problems.
I made up an example using the auto dataset....
 11 posts

Tate Kihara started a topic How to use margins command for a hybrid model with interaction effects(xtreg, re)in GeneralHow to use margins command for a hybrid model with interaction effects(xtreg, re)
Hi Statalisters,
I would greatly appreciate it if anyone can help me with the following problem.
I have a panel data and I am...
 4 posts