Meqrlogit and melogit on imputed data
Hello I am having a tough time running analyses using meqrlogit and melogit on imputed data. First with meqrlogit, I get the error that I cannot use this because I did not specify an re or fe, which...
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Sum of the autocorrelation coefficients - First Order correlation coefficient
'm working with quarterly inflation, usually a AR(4) and I want to obtain different measures of persistence, that are: 1. the sum of the AR coefficients Σα 2. First Order Correlation Coefficient, let's...
View ArticleUsing hettest with eststo
I have stored three regression equations using hettest. Can i run hettest on all of them with one command?
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Help with stata manual
Dear STATA-listers I am struggling to understand how to implement the example at pag.32 of the STATA MANUAL (link below). Shortly put, I want to run a GMM estimator with a poisson distribution and...
View ArticleHelped with chained multiple imputation
Hi all. I'm attempting to do multiple imputation in STATA, but this is my first time and I'm getting stuck. I'm having to use both the "force" and "augment" options, so I'm not sure if this is the...
View ArticleHeckman selection model interpretation
Hello, can anyone give me a hand in the interpretation of the below heckman estimation?
View Articlesimulating several regressions
Hi Gang, I'm trying to run a simulation, where I simulate and estimate two different regressions. How can I get both sets of coefficients reported, rather than just those from the last regression? A...
View ArticleTable with Categorical variable to define columns
Hi All, I am trying to generate a table using BMI data where I have generated a categorical variable of values 1 trough 6 for the various BMI ranges; Basically I am trying to make this variable my...
View ArticleIV Regression
Hello everbody I have one overall question about IV Regression and implementation in Stata. Is there a test or a procedure where I can test an IV Instrument? I am not very familiar with the IV...
View Articlestptime question
Hello, I am using stptime with the option at(0(1)3) to calculate the annual incidence rate from the first to third year. The output does not give me a significance test. I am interested to find out if...
View ArticleHurdle estimation, the meaning of lnsigma
Hi, I am thinking of estimating a hurdle model, but cannot find decent documentation on the meaning of output. First, what is sigma (or lnsigma). The user guide informs rather vaguely "Information...
View Articlemixed-effects models with longitudinal survey data
Good Afternoon Statalist, I am attempting to run a mixed-effects model using longitudinal complex survey data from the Medical Expenditure Panel Survey, and I want to make sure I am giving Stata the...
View Articleconstrained parameters outcomes of nlsur QUAIDS
Dear All, I am using "nlsur" command to estimate QUAIDS model with a 7 goods. While I prepared all commands and afterward of running program, I am getting this outcomes information " 0(constrained)" on...
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Regression on a constant and time
Hello guys! I have panel data and I want to calculate a regression with a constant and time as independent variable, to see if time plays an important role in explaining the evolution of my dependent...
View ArticleProblems with bootstrapped zero inflated negative binomial regression that...
Hello, I'm trying to replicate the ZINB regression results that appear on page 539 of Long & Freese's "Regression Models for Categorical Dependent Variables Using Stata" (3rd edition) using their...
View Articleexponentiating coefficients in margins and a couple other things
Hello! I have not posted here before and I hope these are not silly questions. I have a couple questions about nestreg and margins. 1. Can stata do nestreg, eform and esttab all at the same time on a...
View ArticleCalculating Percent Change of Prevalence with CI [Survey Data]
Hello there, I am trying to calculate the prevalence rate of medication use in a series of cross-sectional surveys that have been merged. The variable for prescription use is binary, so I used the...
View ArticleUnconditional logit fixed effects using dummies
I'm estimating a logistic regression model with individuals (n = 800) clustered within countries (k = 6) over several time periods (p = 3). I want to control for time-invariant country-level effects...
View Articledate and time
Dear all, Sorry for this question that must have been asked many times but I can't seem to find the solution. I try to transfer string datetime variable into the way stata treat datetime variable. I...
View ArticleComparing annual incidence rate
Hello, I am wondering if there is any command to compare annual incidence rate in a single group of subjects? I am using stptime command. It gives me an incidence rate of 5% for the first year, and 25%...
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