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Thanks for your answer. I am conducting a analysis using survey data from several countries, and I have found some references which essentially correct...
 3 posts

Few clusters
Hi,
I am trying to estimate a model with clustered errors, however the number of clusters is quite low, approximately 10.
...
 3 posts

Multilevel modeling and time variables.
Hi,
I have a model, in which most variables are individuallevel, however, one variable changes depending on the month of birth (so it's...
 2 posts

about teffects psmatch
Hi,
I am trying to run a PSM using the 'teffects psmatch' command. Does this command run a nearest neighbour matching? Is there any option...
 2 posts

Hi, could you please help me with the comment above about the cmp command?
Thank you in advance. Much appreciated.
Best,...
 7 posts
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Nikos Korompos replied to Generate percentiles, identify 45 &55th percentile and calculate weighted avg of 45th to 55th percentilesin GeneralThank you Nick. I think this question arises from a methodology described here (http://www.who.int/health_financing/...h_payments.pdf).
If...
 10 posts
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Nikos Korompos replied to Generate percentiles, identify 45 &55th percentile and calculate weighted avg of 45th to 55th percentilesin GeneralHi,
I have a similar case. What do you mean by "weighted average"? I haven't understood which is the weight in this case?
 10 posts
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Many thanks David. I would also like your opinion on (1)
For (1), in another paper ('Matching Methods for Causal Inference: A Review and...
 4 posts
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Propensity score matching questions
I am trying to conduct a propensity score matching analysis, and I am quite confused on some issues.
(1) A first think relates to...
 4 posts

I have the same problem (i.e. not very familiar with the interpretation). Any ideas?
Many thanks
Nikos...
 5 posts
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Hodrick prescott filter
Hi, I am trying to apply a HodrickPrescott filter in a timeseries variable.
Code:format date %tm tsset date
 3 posts

Thank you Nick. I thought that the code I wrote is pretty much the same with the one you proposed, isn't it?
Regarding the following, could...
 9 posts
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Month and year fixed effects
Hi,
I would like to include a yearspecific month fixed effects, and I have variables for year and month. What is the best way to do it?...
 9 posts
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