Cleaning Messy Address Data

Hello, I have data on addresses where I would like to create a new variable that includes only the state. The problem is that the data is b...

one sided interpretation and table notation

Hi, Possibly quite a simple question: Let's assume I want to compare the GPA of three groups using an OLS. Please note, this is a si...

xtoverid with error: operator invalid

Hey everyone, I run this model (I know it is not significant whatsoever) I want to test for random or fixed effects by using -xtoverid- (...

Avoiding Duplicated variables because of calculating Mean

Dear All, I am a new user to STATA and I was requested to make a regression model for using the average of some variables over 4 years, so...

Matching across three groups of a dependent variable

My glucose measure has three groups low glucose, normal glucose levels and high glucose levels. I have an independent variable of interest w...

Two way hbar

Hi everyone, I would like to ask if it is possible to produce the graph below using hbar command. I've attached the data for reference...

SUR Estimation - Equation residuals

Hi, I need to extract equationwise error terms of components of my SUR estimation. However by using post estimation predict command I am o...