gmatch and psmatch2

I am trying to conduct a logistic regression after propensity score matching. I tried both gmatch psmatch2 and am wondering if I should expe...

Add Optional t-test to Stata Program

I have a stata program that displays a twoway bar graph and I want to add a t-test to the program, but the t-test has to be optional. I am a...

esttab

Why is it when I enter the following command: "forvalues i = 1/5 { regress edge percentFRL ipr_se_variation popdensity if schoolsize...

xtivreg2 instrumental variables with endogenous variable involves in interaction terms

Hi all, I'm conducting analysis in the form below: Code: y = x1 + x2 + x3 + x1*x2 In which x1 is the variable of interest and it ...

reshape data long to wide with several IDs

I could not reshape my data from my previous posting. Please help me solve this problem. This is a part of my data. code: input yea...

Count return clients

Dear All, I would like to count the number of return clients in 2020 (the first occurrence/visit either was in 2018 or 2019 for example an...

Reshape data long to wide but not normal wide

Hello, I want to reshape my data long to wide. So, I googled it and found this web page: https://stats.idre.ucla.edu/stata/mo...-long-to...

Test to show a regressor is non stochastic?

Other than producing and eyeballing a scatter diagram, is there a standard way to prove/discover that an independent variable is non-stochas...

Graphing one product verses an average of all other products

Hi All, I am having trouble thinking how I can graph an average of two products ("Coca-Cola" and "tonic water") as ...

How to make a Difference in Differences Graph

I want to make a graph showing parallel slopes for the following data. The variable REGION consists of Northeast regions coded as 1 and sout...

How to change the look of a subset of bars using specific criteria - bar graphs

Dear all, I am working with a dataset that contains the number of candidates for each call of a study abroad program and I prepared the fo...

need help with import excel

Sorry I have tried this using import excel, copying the data directly, and using Stat Transfer, but I everything I do gives a value for the ...

Confusing behavior by -more-

I'm trying to use -more- to force a pause between display commands in a loop. Here is the code: Code: set more on forvalues x = 1/5{...

linear Regression with treatment and control variables

Dear all, I am interested to study the impact of monetary policy changes on the stock market return over the last 20 years. the list of ...

Calculating a gender wage gap

I have a data set with University degree subjects, salary bands and then the number of men and women in each salary band. How would I go abo...

calculating how percentiles performed in a panel dataset

Dear Statalist, My panel dataset is as follows year firm size sales 2000 firm1 size1 sales1 2000 firm2 size2 sales2 ... 2001 ...

"0 (empty)" during logistic regression

I was measuring odds ratio for systolic hypertension using bmi as a variable, but when I do so the 4th category gives me "0 (empty)...

Graph of Parallel Trend Lines

Hello, I have the data set below. This is a data set of total number of visits to the emergency room by region in the US. I want to implemen...

Filling missing observations with successor and predecessors ID's values

Dear Stata Users, Can you please help me with the following issue: I have a company (“gvkey”) with a person ID (pers_ID) who is associated ...

Regarding use Matchit to fuzzy merge two different data set

Hello everyone, I am trying to merge two data set by their unique string variables. However, these two datasets do not share the same form...

Identifying observations of var1 that have different values for var2

I have a dataset in which the data are identified by state, county, and ZIP code - each of these is a different variable. My problem is th...

Reshaping data with three dimensions

Hello, I am having trouble reshaping my data as it will require something beyond the usual long to wide format. My dataset is a relationship...

Creating a matrix with Euclidean distances between variables.

Hello everybody, I use Stata 13.1 and I am working with a dataset that contains 25 numerical variables (var1-var25) and around 400 observa...

Reshaping wide error values of variable date not unique within id

Hi, I`m fairly new to Stata and I know this question is previously answered however I could not make it work for me. This is the type of ...

Developing person weights from other variables

I have to "develop person weights from the age and sex variables using an iterative proportional fitting process with the variables of ...

How to utilise sample weights in Stata? - QUICK QUESTIONS

Hi Everybody, I am running a regression analysis using HLFS on Stata. I have been told that I need to use sample weights to have reliable...

frecuency in the axes X&Y in Histograms and Scatter plots

Hi all, Sorry to bother you, I have another question and is regarding the histograms/scatter plots. I would like to be able to select the f...

frecuency distributions with intervals

Hi all, I have the data of a studdy with two variables. and I would like to generate a table with frecuency distributions with intervals o...

How to convert a variable in the format "day, month, year" to another variable in the format "month, year"?

Hello, I would like to convert a "date" variable in is in the format "day, month, year" to another variable that gives...

matcell option in a table with weights

While running table son father[pw=pn], center format(%9.0f) matcell(PQ) I am getting an error message "option matcell() not allowed...

New package: xtbalance2 - Create a balanced subsample from unbalanced panel data.

Thanks to Kit Baum, a new package called xtbalance2 is available on SSC. xtbalance2 creates an indicator variable to identify a balanced s...

Difference in Difference with propensity score matching

Hello Statalist team, may I ask you the following qustion? I would like to use the DID with propensity score matching in the following set...

How to give different color for all the scatter plots in a graph?

Hello everyone, I am using Stata 16.0, The data is in wide format with 29 observations. It is a National data with state variables. I woul...

Tobit regression with "outreg2" output?

Dear All, I run this Tobit model Code: sysuse auto, clear gen wgt=weight/1000 // Censored from below tobit mpg wgt foreign, ll(17) outreg2...

Lagged dependent variable

Hi dear, I have a question. In my dataset, the dependent variable is related to 2020 but the independent ones, like GDP per capita, unemplo...

How to convert to date when data is saved as long format (%tdD_m_Y ); for example-15 Oct 13

How to convert to date when data is saved as long format (%tdD_m_Y ); for example-15 Oct 13

How to report the differences in a nice table/graph?

Hi all, I have self-reported and actually household income from national register in 2010. I have compared them (see below), but I am not ...

xtsur with restriction

Dear All, I use xtsur for unbalanced panel data. is there way to restrict the coefficients of two equations to one. it is allowed in sureg c...

lag regression: Not sorted error

Hi, I have tried to run lagged regressions but the error keeps coming up as not sorted. I have sorted it several times such as sort country...

Repeated time values within panel help

Hi All, I am having some trouble with understanding the xtset command even after reading through some past posts and the help section on i...

Collapsing multiple variables using the count option

Hi all, I have a dataset where every row represents a study. Each row contains a column describing the region and country where the study ...

Retaining the entire ID if there are certain variables in the panel data

Good Morning world English is not my language so google help me. Please understand me. I have stata 15. I`m using panel data with 191 ...

Replacing missing values with draws from a subset of nonmissing values

I am replicating an imputation procedure for a household survey, and I'm struggling to find a elegant coding solution for bracketed resp...