How does Stata plot the probability density function f (x) on the vertical axis and the quantile (0 to 1) on the horizontal axis？

How does Stata plot the probability density function f (x) on the vertical axis and the quantile (0 to 1) on the horizontal axis？

Time to event graph

Hi, I am really appreciative of all the help that is provided here. Thank you very much. I am trying to build a bar graph with superimposed...

append error (r198)

Dear Madam/Sir, I am a beginner for STATA. It will be highly appreciative if you can advise me how to fix this error potentially related t...

synth_runner package

Hello, I am working on a comparative case-study using the synthetic control method (traditionally implemented by synth package). However, ...

Convert export values to USD

Hello, I have a dataset that looks like with trade data from 1988-2017 Code: * Example generated by -dataex-. To install: ssc install d...

description of tsappend1 data set

Hello, Does anybody have a quick description of the tsappend1 data set? Even if it was fictitious i guess it has description of the variable...

How to analyze Panel Survey Data (Likert scale questions)

Hi all, I would like to analyze a two-period survey data with attrition, with both dependent and independent variables being Likert-scale ...

Lexis-diagram

Lexis I have wondered why there isn't any good Lexis-plot command in Stata? Most of them are very old and do not use new commands stsp...

lincom calculation for a subset of data

Hello, I'm trying to calculate the dfiference of certain Times on the basis of a mixed-effect linear regression model. The model outpu...

Function to give year of start

Dear all, I have a dataset with the US census for the 1970-1999 period combined with a dataset with information about different public pol...

Percentile based on age and year using loop

Hi all, I have a dataset that includes total income, variable age ranges from 25 to 54, year from 1982 to 2018 and immigrant dummy variabl...

Calculating proportional effects with a GLM model

Dear Statalist Members When comparing the output of the margins [eydx] for semielasticity (proportional effects) of a GLM model with log ...

Invalid IVs with Fixed Effects XTIVREG2

Hi, I am currently writing my thesis, using panel data to assess the relationship between financial development and economic growth. I wan...

Set https proxy

Hi Statalisters, I have some problems at importing data directly from internet. I am using Stata in my company laptop, and I need to set ...

Sorting the order of bar graph values while using by

Hello! I want to order the results of a bar graph in descending order. I have two facets/panels as I want to disaggregate results by gende...

Sequential Treatment Effects

Hi, I have been struggling for a model to estimate related to sequential treatment effect and need a help desperately. I would greatly ap...

Stata - statistical graphing using "coefplot" by presenting odd ratio with 95%CI

Dear colleagues, I wish this message find you well. I am wondering how to use "coefplot" by presenting odd ratio with 95%CI? If ...

Durbin Watson d-statistic

Hi, I am running a regression with multiple lagged variables of the dependent variable Code: reg CSAD RtnMrktPort AbsRtnMrktPort SquRtnMrk...

Non-linear fixed effects regression

Hi all! I am currently working on my University dissertation and would greatly appreciate any help, as I am completely new to Stata and my...

Predict Residuals in SQREG - DO File

Hi there - I am using the following code to predict the residuals for SQREG and want some guidance if this is the right way to predict resid...

Merge 1:1 problem

Hi, I am trying to merge two excel datasets which have unemployment and education data at the US county level (by FIPS code). Both dataset...

Neumark or Oaxaca-Ransom

Quick question regarding decomposition methods and the use of omega with the Oaxaca command. https://core.ac.uk/download/pdf/6442665.pdf ...

Loop and Append .dta files

Hello All, I am trying to import d.ta file and append them, what is wrong with this code? For some reason it only uses the first file from...

graph with many lines

Dear All, Suppose that I have the following data Code: * Example generated by -dataex-. To install: ssc install dataex clear input long id...

How to Drop Duplicate ID Observations if There are Multiple Conditions I Want to Apply

Hello Everyone, I hope that you could help me with the below. I have a cross-sectional dataset of 343 observations of students' scor...

Synthetic Control - minimum number of obs?

Can I build a synthetic control with 6 pre-treatment observations and 4 post-treatment? Is it valid, or does it raise questions about suitab...

The intersection of two Chinese variables

Dear All, I found this question here (in Chinese). The data set is Code: * Example generated by -dataex-. To install: ssc install dataex c...

Building cross-lagged panel models with categorical variables on Stata

Can someone here suggest to me a suitable way to build a cross-lagged panel model with categorical variables on Stata MP 15.1? I built a cro...

Seasonality in annual data? Problem or not?

Hello, I have a panel data at an annual frequency. When I use the xtline command to get the linear plots, my data have obvious fluctuations ...

Ranking the most important predictor variables from a series of regression models.

Hi, I came across an interesting study that did the following: ' number of births in the last 5 years and the number of household m...

reshape or transpose?

Dear All, I was asked this question here ( https://bbs.pinggu.org/forum.php?mod...a=#pid74912031 ). The data set is Code: * Example genera...

using forvalues loop and postfile command

Dear statalist i have a sample of only 3 observation, i having problem calculating outer product of the gradient , the gradient and updatin...

Differences between dates using panel data

Hi there, I'm working with some panel data, whereby for each subject I have multiple events (lab tests) recorded in long form. Each ev...

Graph with conditioning

Hi there, I would like to create a graph with two lines one for each condition. This is what I tried: graph twoway (line mean_BARTAdj week...

Continous-Continous Interaction when one of the variables has many zeros.

Hello, I am interested in measuring how previous purchases from a given platform and time spent on the platform impact the probability of ...

Using returned results in r() with -egen- is not working. Is that a bug?

Why is this not working? Code: . sysuse auto, clear (1978 Automobile Data) . summ price Variable | Obs Mean Std. D...

Spearman correlation table export into Excel

Hi everyone, I have a problem trying to export my Spearman correlation results into Excel. I use: matrix A = r(Rho) esttab matrix(A, fm...

Interpretation Interactionterm in fixed effect regression

Dear all , I have performed a fixed effect regression with cluster(id) xreg y i.FFF i.young FFF#young + Controls, fe cluster(id) i use...

xtprobit margin problem

Hello to All Stata Users! HTML Code: xtoprobit y x z, vce(cluster id) is the model I run . However when I run the margin commands: HTM...

merging datasets with different dimensions

Hi all, I would like to merge together 16 datasets which are defined by country and are made as follows: AUS.dta is: var1 Mol1_a a1 Mo...

Impact of an average change on dependent variable over time

Hello! For my thesis I wanted to test a hypothesis which requires a model that I wouldn't know how to design myself. For a panel data (1...

Using reghdfe command with if-statements

Hello, bit of a complex one here: I’m currently working as a research assistant, using my supervisor’s code, which uses employee-level dat...

AR(1) is insignificant in difference GMM

Hello ! I am trying to estimate the following model in both difference and system GMM. However, the results change significantly both in t...

doflist command in reghdfe

Hi there, I am currently having issues with collinearity of fixed effects in my 'reghdfe- regression'. I read online that the ...

Using starting values to overcome convergence problem - always getting r(503)

Dear all, I am trying to fix convergence problem of my model using starting values as suggested many times here on statalist. However, I a...

Pooled OLS Firm effect vs Industry Effect

Hello I have explored this forum for the question of firm vs industry fixed effect. But they always talk about panel regression "xtre...

Quadratic term and concave relationship threshold

Hello everyone, I am exploring whether the hypothesis that above a certain threshold financial depth yields negative results for economic ...

Missing values in snapspan command @StephenJenkins

Dear Stephen Jenkins, I'm following your Survival Analysis guideline ( https://www.iser.essex.ac.uk/resourc...sis-with-stata ) and An ...

Bar graph with multiple means of variables

Hello! I want to create a bar graph with the means of several variables on the x axis. Any idea how I would do something like that?

dtalink vs reclink2 vs matchit

Hello, I've tried to tag this topic on an older thread, but haven't gotten any responses, so was trying to create a new conversation...

Business calender generates year 1967 dates

Hi Statlisters, I have succesfully loaded my business calender by using the below code, however when i generate my "bdate" varia...

Verification of logic behind IV approach

I hope this is not too elementary a post for this forum. However, since I am not sure, I thought I would give it a shot. I would like to k...

Exporting frequency table using esttab

Hi, I am trying to export the frequency table using esttab command. My observations are in the decimal point. When I use the following comma...

Encountering error r(198) while running a loop in stata

HI, I am encountering error while running a loop in stata. The following is my code HTML Code: forvalues i = 1/`MaxLPLags' { fo...

Kaplan Meier, Multi-survival analysis on one graph

Hello, I am able to graph my trade spell duration survival over a 30year period using the Code: sts graph if export_CAD <=100000 to ...

Which method does xtlogit/clogit use to estimate a fixed effects model (i.e. mean difference/first difference/LSDV)?

In Asymmetric Fixed-effects Models for Panel Data (available here open access: https://journals.sagepub.com/doi/10....78023119826441 ) Paul ...

Making tables from data

Hi, I've district-level migration data of India. Say- State no district no migration type 1 (percentage share) 1 1 39.7 ...

Missing values in Stata

I am creating my own data set for my thesis, and have run into a problem with missing values. I am creating the data set in Excel, and i cod...

Interpretation of AMEs: CIs overlapping each other but not zero, can I conclude that there is an interaction?

Hi all, I'm fitting a simple OLS-model including an interaction term. To interpret the interaction I compute AMEs: Code: reg ITL O...

Strange macro behaviour

Hi guys, I am trying, with the following loop to drop some of my observations, specifically the ones that have quarters below the molecule...

F-keys in profile.do

Dear all, I am generating my file profile.do: Code: /*=========================================================================== pro...