Hi! I don't know how to create a ttest for this null hypothesis:
 H0: b1 +4b3 <= 50
 H1: b1 +4b3 >50
 (b2 ismultiplied by 0)...
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How to make a ttest with conditions?
Last edited by Andres Henriquez; 22 Oct 2019, 20:42.
 9 posts

John Gitonga started a topic Appending multiple data files that contain string and numeric data typesin GeneralAppending multiple data files that contain string and numeric data types
Hello, I'm quite new to Stata and need help with some code. The idea is that I would like to create a panel data set from an excel workbook that contains...
 5 posts

Help with Looping
Good day, Statalist,
Please, I am carrying out an analysis for 5 waves of a survey data. Hence I would want to replicate the commands for...
 3 posts

mi impute  irr option not working after my command
Hi all,
I am using theCode:mi impute/mi estimate:
Code:xtpoisson
 1 post

Mixed regression after multiple imputation
Dear Stata users,
I am working with expenditure data with around 15% missing data, which I want to impute. I used multiple chain method to...
 1 post

plotting means + cis using imputed data and coefplot
Hi everyone,
I hope you'll be able to help me with this question. I have multiple years of crosssectional data for examining how a categorical...
 4 posts

Brendon Neuen started a topic Change in Cstatistic (with confidence intervals) on imputed survival datain GeneralChange in Cstatistic (with confidence intervals) on imputed survival data
Hi everyone,
I am trying to calculate Cstatistics (and change in Cstatistics) with associated confidence intervals for my Cox regression...Last edited by Brendon Neuen; 29 Aug 2019, 13:34.
 3 posts

Indepth Research Services started a topic Top Upcoming Short Training Courses in STATA and Data Analysisin GeneralTop Upcoming Short Training Courses in STATA and Data Analysis
Dear All,
Indepth Research Services would like to invite you to take part in our upcoming trainings in Top Upcoming Short Training Courses...
 1 post

Maoliang Ling started a topic How to conduct multiple impulation when all variables have missing values?in GeneralHow to conduct multiple impulation when all variables have missing values?
Dear all,
I am working with my resident survey data (n=8356) including 59 items, most of which are ordinal variables (measured by Liket7...Last edited by Maoliang Ling; 25 Jul 2019, 01:00.
 1 post

How to handle missing data?
Hi all,
I am investigating health disparities in some SubSaharan Africa countries. Ethnicity is one of my variables but missing for about 50% of...
 5 posts

Multiple Imputation  How to compute restrictions for the imputation?
Dear all,
I think my problem should be easy to solve, but I just cannot figure it out, so I hope someone here might help me.
...
 2 posts

Nick HuntingtonKlein started a topic Leave some imputed variables out of imputation of other variablesin GeneralLeave some imputed variables out of imputation of other variables
I'm working on running mi impute on a data set with an unfortunate structure, where I have:
1) Several variables a, b, c that I am imputing...
 3 posts

Problems with IPTW adjusted survival analysis
Hello, i hope you can maybe help me.
I am trying to do a IPTW survival analysis adherent to the paper of Seisen et al. I use Stata/MP 14.0...
 1 post

mimrgns and marginsplot
The help file for mimrgns states that while "[i]n principle, marginsplot works after mimrgns […], the plotted confidence intervals are based on...Last edited by daniel klein; 30 Jan 2019, 15:03.
 1 post
 3 likes

Help with a detailed specification using multiple imputation
Hello,
I am attempting to estimate a model:
Code:logit y x1 x2 x3
 2 posts