Sequence Index Plot

Dear Stata Users I am trying to show how individuals move between a set of conditions or states over time. I think a sequence index plot s...

problem with Ivreg2 result

Dear All, After running my regression with ivreg2, in last portion of the result I saw error massage which contains the following: Warning...

Complex Reshape Long to Wide

Dear Stata Users I am dealing with a complex reshape wide problem. Here is an input data: Code: * Example generated by -dataex-. To...

multicollinearity test variables in a panel data

Hi, how can I run a multicollinearity test in Stata 12 between variables in a panel data? Thanks!

Solve Macroeconometrics Model and Forecast

I am trying to solve a macroeconometrics model of my country using STATA. Model has 7 endogenous variables and 7 equations. There is consump...

T Tests and Wilcoxon Tests export to MS Word or MS Excel

Hello Members I had been working on EViews for some time, I shifted to Stata now, since I am new, I have been trying to calculate T and Wi...

Nested forvalue loops - referring to previous macros in a relevant macro

Good afternoon. Could anyone help me decipher what syntax error I am producing in the below command sequence? /*Given*/ regress offspri...

Why the different bootstrap errors in panel data random effects?

Hi, in help xt_vce_options I found the following recommendation: When working with panel-data models, we strongly encourage you to use ...

Detecting inverted duplicates over two columns

Hello, I have searched for an answer to this simple question on previous forums, and cannot find the specific situation I am hoping to recti...

Is it possible to not set values of optional integer arguments with the syntax command

When specifying optional arguments integer arguments using the syntax command it is usually necessary to set a value. Is it possible to get ...

Keep the first observation within a moving 30-day window

I have the following dataset. I want to keep d=1 for the first observation within 30-day moving window, and replace d=0 if the observation i...

Effect of schooling on menstruation methods

Hello, I am trying to find the effect of schooling on mensuration methods from Indian context.These methods may include use of locally prep...

summary forest plot for meta-analysis

Hello, I am doing a study-level meta-analysis with different outcomes. In addition to the standard forest plots, I would like to produce a...

2:Setting manual coefficients

Hi Listers, Y = β1+ β2*Area + β3Labor + β4*Fertilizer + u This time its given that B4=3*B3. Which model should you use? Give the estima...

Applying Bai-Perron Test to Time Series data structured in panel format

Hello, I have a panel dataset where data is there for each country. I want to run the stata command for each country. https://www.wiwiss...

Forecast errors

Hi Statlist, I would like to compute the variance of forecast errors in a panel data setting as indicated in Array . In particular, I hav...

Issue with xlabel command

Hello, I am trying to change the labels of a graph (without using the editor) Code: graph box job_hours if expectation == 2, over(gift_r...

Panel Regression versus Dynamic Models

Dear all, I am trying to replicate a study, where I am regressing the change in capital expenditures(DELCAPEX) is regressed on cash flows(C...

generate or replace a variable -- with a string type

Hi guys I have a string variable in the dataset. It contains a long list of heart diseases. I would like to categorise it into a few ones,...

Setting manual coefficients

For a hypothetical case in class the following question is asked: We have the following model: Y = β1+ β2*Area + β3Labor + β4*Fertilizer +...

Handling large percentage of zero-valued observations in the dependent variable in a panel dataset

I am writing a paper using a panel dataset in which my depepent variable has an large percentage amount of zero values observations. Those z...

correlation and proportional weights

Hello, I am not able to use proportional weights with correlation but can use analytical weights. Can anyone help me to explain the reason...

Competing risks in survival analyses

Dear reader, I would like to know the difference in my survival analysis approach. I have 4 types of events that I want to examine, and n...

Two-way table where cells are %s and Totals are frequencies

Hello, Is there a way to create a two-way table where the cells are percentages and the totals are the actual frequencies? I'm sure I ...

reghdfe - "noconstant" as standard option

Dear community, I would please like to ask for your help concerning the following question. Recently, the server I am allowed to work on...

test for statistical difference

Hi Stata fam I would like to test for statistical difference between responses from two different populations, a intervention site and a co...

Transforming time series data into Panel data

Hello, I have a time series dataset, downloaded from UNCTAD. Then I pasted the data into Stata datasheet. The data is the following var...

Interacting an independent variable with fixed effects

Dear Statalist members, Thank you so much for reading this post and helping me answer my question! In short, my question is how I can run ...

Correct Modeling of Data

Stata Experts: I have been struggling for several days with my data analysis plan and I am hoping for some clarity. 1. I am working with ...

General xtabond2 queries

Dear Statalist, I am examining quarterly data for an unbalanced panel of 11,000+ banks from 1996:Q1 to 2016:Q4 using Stata/IC. I am using ...

PPML for one country

Hi, If I estimate a gravity model using PPML from a balanced data panel for a several number of countries, but I would like to focus only ...

Not concave issue with multinomiallogit regression

Dear Satalis, I hope you are well. I would like to ask please regarding the problem of 'not concave' iteration. I have a dataset f...

covariance structure in mixed model

Dear all, I've been having problems selecting the correct covariance structure and for my mixed model (employees nested within firms)....

How to save graphs from loop in particular folder

How to save graphs from loop in a particular folder. I have my out foder: global MY_OUT "C:\Users\out" and the loop as belo...

How to extract a country specific value for each country in a panel data set

I have a panel date set wich consists of 49 countries and want to extract fed funds rate for each country. The variable interestrate have in...

Unobserved Componenet Model and State Space Model

Dear All I am try trying to construct an index, using Unobserved Component Model (UCM) and State Space Model (SSM) in Stata, but I am real...

Variance of each single residual

Hi Statlist, I am struggling into constructing the residuals' specific variance for the following model: Code: xtreg tasso_crescit...

Stata : Rr mantel heanzel

I have SMR results by lauching this command : strate maxexpo_ardbis, per(100000) smr(taux_esto) and i want to have the RR of mantel Haenzel...

only the estimated coefficient

Hi, Which could be the reason that Stata does not show me only the estimated coefficient?: --------------------------------------------...

Ramsey test

Hi, Which is the command in Stata 12 for the Ramsey Test with data panel? Thanks!

Number of rows and columns of subplots using xtline

Hi, how can I define the number of rows/columns of subplots when using "xtline"? The options "rows()" and "cols()...

help with local macros

Dear all, I would like to create several boxplots at once and combine them. i found the code below and it works very well. can some one hel...

Problem with Reshape on Panel Data

Hi all, My aim is to make variable id to be unique and I think reshape is the command instead of collapse. When I was tried with reshape ...

Data which contain Multiple followups with hours variables

Dear Statlist Users, Hope all you experts are doing great.I wanted to understand how to analyze the data which contains multiple followups...

non-linear optimisation with linear restrictions

Dear all: I need to find the B vector that minimises the following non-linear function (B-A)*IM*(B-A) such that a linear restriction (also i...

Fixed Effect troubles

Hello, I'm a first-time poster and newbie to the world of Stata. I am trying to estimate a fixed effects model with city as the entity v...

Scatter of a local

Hi, is it not possible to create a scatter of a local variable? I'm evaluating the difference in the probabilities of Y btn men and wome...

Reg without constant term

Hi, I know that when I estimate a regression with fixed effects the constant term should not be included. However, when I run the regress...

Help with Stata's Graphs

Hi I'm trying to build a Graph on Stata but the variability of my Data is very high. I need to build a Graph of Brazilian's Infla...

Attrition and OLS estimatos

How can I prove that the attrition bias affects or does not affect my OLS estimator? Can I do it with a balance table between the group of ...

Analyzing two time points with regression

I am analyzing data with the mental health component score (measured 0-100) for 4500 individuals. This score was measured at baseline and th...

longitudinal population survey data

Hello, I have a longitudinal population survey data. This is actually my first time working with such a huge dataset, and I am having a re...

mi predict problem

Dear all, I am having problems trying to get the baseline survivor function after mi predict. I am using the following code: mi predict ...

groups command, export/copy table to excel

the groups function is a very useful command, however the output seems to be not very transferable - is there a way to export the results to...

How to recreate longitudinal analyses from SAS in STATA using xtgee only using SAS output???

Hello all, I have been trying to recreate SAS output in Stata but keep getting discrepancies. Unfortunately, the biostatistician only gave...