Counting observations and doing it for a different value of the variable
Hello, I have data that is separated by entity and each entity by municipality. It contains information of individuals such as age, school level, economic activity, among others, and I would like to...
View Articleentropyetc available from SSC
With thanks as always to Kit Baum, I flag that a new program entropyetc is available from SSC for Stata 11.2 up. The name entropyetc should be parsed "entropy, etc." and flags that it calculates...
View ArticleError with user written program grc1leg. It produces 3 legends instead of 1...
Hi at all. I try to use grc1leg with margins plot. I have the strange error, that I get 3 in stead of 1 legend. I tried to create an example, that closely follows my data, but I cannot manage with the...
View ArticleSimulating data for students
Hi all, I was hoping someone could help me with the code to simulate some data. I am a professor and I want to simulate some data to teach students how to analyze epidemiological data- a...
View ArticleCan't input date in Stata. SRF from HRF
Hello everyone! I'm running into this really really annoying problem. I'm trying to import this column in STATA which contains the date However,, I can't seem to input it inside STATA while using any...
View ArticleRepeated measusres Logistic regression
Hello everyone, I am performing a logistic regression model where I try to predict the probability of winning from a series of chess players However, each player is followed several times in all...
View ArticleSimple question regarding generating variable
Hi, I have a simple question regarding generating a new variable, but I don't know how to solve it. I want to generate a new variable (var3) which creates 2 values: a 0 if var1==0 and a 1 if var2>0....
View ArticleLincom/test using estimates from two independent samples?
Hi, I would like to test if the unconditional mean of outcome Y from one sample is equal to the linear combination of a regression estimate (i.e., partial effect of X on Y) in a different sample. Below...
View ArticleReplacing data in a panel data set
Hey guys, with a lot of learning-by-doing, I have created a (tremendously dirty) panel dataset. Now I need to adjust it and turn it into shape in order to analyze it. My indicator variables are company...
View ArticleDo-File to word document
Dear Statalist-Users, Is there a possibiltiy to transfer the do-file itself to a word document? I only found instructions for transfering the results. Thanks for your help in advance!
View Articleiter not concave question
Dear Statalisters, A while ago I ran into the not concave error while running a negative binomial regression. I received several very good alternatives of one of the forum members. However, I found out...
View ArticleIrt
Hi I'm estimating a irt grm in stata and I wantde to do a likelihood ratio test. It is possible? How? Thanks.
View ArticleHow to code missing values after using -encode- on a string variable?
I have a number of variables that are in string format but lend themselves to being numerically coded. There are a number of missing values that were originally coded as -9, -10, 999. I used the...
View ArticleHelp me understand spline "nl" formula
Hi all, This is my first post. I am a very junior researcher new to stata. I'm trying to use "nl" to estimate the knot and the best tutorial available to me is...
View ArticleCompute average annual growth rate in Stata
Hi all, I'm totally new to Stata and this is my first post in this forum :-). I have the following problem: I have a Data set in the form of Country Year (GDP/capita)( Labor force,total) Gross fixed...
View ArticleCollapsing individual records' dates into a range
id_number grouping date 12345 A 01mar2015 12345 A 02mar2015 12345 A 03mar2015 12345 A 06jun2015 67890 A 09sep2015 67890 B 11nov2015 67890 B 12nov2015 67890 B 13nov2015 67890 A 14nov2015 I apologize in...
View ArticleSimple Program: How to store different arguments from a loop in one local
Hello, I am new here and I have a question regarding a simple program and searching with google did not help me. I want to write a program wich calculates the product all odd numbers i give to it as...
View ArticlePanel Regression, Fixed Effects, problems with normality and skewness (part 2)
Hi everyone, a few days ago I posted this topic: http://www.statalist.org/forums/foru...rust-the-tests Basically asking if I could trust the results of the regression analyzis. Mr. Lazzaro was kind...
View ArticleInterpreting XTMIXED output
Hello, I am using XTMIXED command of STATA version 12.0 in order to analyse whether or not participants in two groups show differential improvement in two treatment condities over the course of time (3...
View ArticleHow can I check if two string variables contain the same content?
I have 2 string variables of which I want to compare the content. I want to know if the content is exactly the same or not. I wanted to include a snippet via dataex but it returned the error 'data...
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