Conflicting result in split sample and interaction sample
Hi, let me explain my problem. I am trying to examine the effect of indep variable A during the GFC, which i defined as between 2007-2008. So I tried two methods. My sample period is between 2000-2013...
View ArticleCollinearity between endogenous variable and instruments
Dear all, I am doing the following regression. : version 10: xi: ivreg2 lnGermanFDIs lnTariffRate lnIPRP lnCapitalLaborRatios lnInfrastructureIndex lnQualityofPublicSchools lnOrganizedCrimeIndex...
View ArticleRare Events Logit Command for Stata 12.1?
Dear all, I want to use rare event logit for my analysis and thought of the firthlogit command as a good way to do this. However, apparently this command is only available for stata 13.1, not 12.1....
View ArticleChanging the base of a factor variable in a regression
I am trying to change the omitted dummy variable from the smallest to some other. In other areas I have found people using the char command to change the base variable, however I cannot get it to work...
View ArticleOdd dates
I have data-set in a stata file. The data has a columns with date of births and a school joining dates of individuals. Date format is the following - 1965-11-24 00:00:00 1964-07-15 00:00:00 Variable is...
View Articledummies in panel data
I am sorry, if my question is a standard one or obvious and too simple to answer, I haven't found any answer in the Internet that's why I writing here. For my dataset (attached) I need a dummy for OECD...
View ArticleShortest program that will crash Mata or Stata?
Dear Mata users: If you have nothing better to do on a Friday afternoon, or have something better to do, but don't want to do it, why not try to think of the shortest program that crashes Stata/Mata....
View ArticleAppend Help
I have two data sets that I need to append, but not all variables are in both data sets. When I append in either direction I end up with empty spaces for the missing values. What I would like is for...
View Articlerestrictions in SVAR matrices
Hi. May I ask what kind of restrictions can I put for contemporaneous effects in SVAR model? I know that the restrictions must be (n^2+n)/2. I put 7 restrictions for 7x7 matrix which are...
View ArticleHelp! Xtoprobit - panel standard deviation
Good afternoon to everybody. I was estimating a regression through xtoprobit command and observed that the estimation also gave me the parameter "sigma_u" which I found reading the Stata help was the...
View Articleusing -simirt- to simulate ordinal data
I am interested in generating a simulated dataset of ordinal items using the user-written command simirt (findit simirt). However, it is not clear from the help file how one goes about generating...
View ArticleExpand data based on a time variable
Dear Statalisters, Below is my data (show the first two records). Ticker, cname, and permno identify the company and its stock issue code. I want to expand each row into month and year, that is for...
View ArticleFama-McBeth regression
Dear Statalisters, i want to report the t-statistic from Fama-McBeth regression from my result, can you help me how can i run and save this function in stat? thank you
View ArticleR-squared for fixed effects panel data
Hi there, I am making so much progress thanks to the people that helped me in my last topic and I am very grateful. I am wondering about r-squared for fixed panel data when I run xtreg dep indep, fe...
View ArticleConvert local macro to global
I am attempting to collect a list of variables with missing (or not, depending on circumstances) values for use in a later part of my analysis. Conceptually: : sysuse auto, clear replace mpg=. in 10/21...
View Articlehow to calculate the number of men and women in my data?
hi everybody , i have a large database that contains a number of variables , including one specifies the type of the individual : 1 for man and 2 for woman , would you like to tell me how to calculate...
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Asking for suggestion in Stata MLE
Dear statalist, I have just begun the maximum likelihood with Stata. My estimation equation is a linear with normal error. I am now facing to some problems with result (i am getting the error 198...
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Asking for suggestion in Stata MLE
Hi everybody, I have just begun the maximum likelihood with Stata. My estimation equation is a linear with normal error. I am now facing to some problems with result (i am getting the error 198 invalid...
View Articlehow many "women" and "men" in my data ?
hi everybody , my data contains 550 k observation ( the data is the result of an investigation in order to estimate how many habitants in our population , how many unemployed , how many children are...
View ArticleSeveral boxplots in an x-y plot
Hi All, I need to create several boxplots for different bins that include a range of values in v1. The boxplots show the mean, median and spread of v2 in that range. Then I need to graph them in an x-y...
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