Double Reshape With Excel File?
Hey everyone. I'm working with quite the interesting excel file. Let's load it, shall we? Code: clear * cls import excel "ht...
Cannot evaluate a nlcom ratio after an mlogit estimation
Hi all, I am trying to get a valuation of a nonlinear expression of my estimated parameters from a mlogit model . mlogit OS3 A1 North Ce...
Generating ith date of year variable from day/month/year date variable?
Hi all, I am wondering if it is possible to generate a variable in the format of i th day of the year from a date variable. I have been re...
How to identify the minimum year of membership to the agreement between the pairs that are symmetric
Dear All, I have data on trade agreements and membership to the WTO between country (i) and country (j). My data looks something like: C...
xtdidregress problem: not all my data is used
Hello, I am writing my master thesis and I have to find the causal relationship between the Belgian gender quotum in board of directors of...
Understanding and interpreting the large coefficients of control variables in my results table
Hi, I am running a panel regression with a DiD setup and fixed-effects. I have obtained significant results for the years that I am intere...
Standard errors with new -xthdidregress- command in Stata 18
I am trying to understand how -xthdidregress- estimates standard errors for difference-in-differences with two-way fixed effects (TWFE). The...
Choosing the Correct Panel Data Model
Hi there, I am estimating a fiscal reaction function in dynamic form (lagged dependent variable) and trying to choose the right model. My da...
Baseline Balance - T-Test - Missing Values
I want to create a balance table on STATA. It is a baseline dataset conducted as a part of an RCT. However, some of the variables have missi...
Help with stcrreg / competing regression
Dear All, I am trying to perform a competing regression analysis but receiving the following error. 'option compete(): competing ris...
bar chart multiple global ifs
Hello, I am working on my masters thesis and am having some troubles visualizing the data as I would like. I have 15 variable cat_1 to cat...
freduse not working in Stata 18
I just installed Stata 18 and when I use freduse I get this error: . freduse CTNA, clear note: https://research.stlouisfed.org/fred...dda...
Does CSDID store weight (dripw)?
Hi everyone, As we know that it's a tradition to show covariates balance before and after weighting. I am using CSDID with dripw o...
Dr
I try to import a Excel file but it shows "<istmt>: 3499 import_excel_import_file() not found". How can I import the file
Importing jason files.
I need to import thousands of JSON files saved on my local hard drive and read in all the variables as string. The JSON files are of very si...
dealing with a time varying variable in stcox
I am analyzing survival in a group of respiratory patients it turns out that one of my variables (FVC, a measure of respiratory function ex...
Forcing Stata to Post a Singular Variance-Covariance Matrix ("variance matrix is nonsymmetric or highly singular")
Hello all, I am trying to get around the "variance matrix is nonsymmetric or highly singular" error and force Stata to give me ...
Margins plots curve lines other than straight line
After using "margins" command, I use "marginsplot" command to graph the margins plots. I get straight line while I find ...
How to find lag and lead time
Hello, I have this time series data looking at whether food contamination in a school district led to incidence of hospitalizations. I hav...
Inference from initial statistics to get a hang of coefficient of interests
Code: Earning employment Establishment Treat 27,425.41 19,458.09 3,829.57 (10,636.87) (35,378.12) (4,147.39) ...
Calculate average of the (pairwise) sample cross-correlations
Dear forum, since this is my first post here and since I am new to Stata, I hope my post fulfills the forum requirements. I want to calcula...
urlencoding() usage
Hi all, Anyone understand the usage of urlencoding()? string scalar urlencode(string scalar s , real scalar useplus ) string scalar...
required the sampled required the sampled firms to have at least five observations in the data set
please i required the sampled required the sampled firms to have at least five observations in the data set WHAT The code i need to add to m...
What should I do to achieve the following result.?
Code: * Example generated by -dataex-. For more info, type help dataex clear input str3 code str29 value "A " "test1test1te...
Create new variables using two categorical variables
I have three variables gender sector and wf. Gender and sector are categorical variables, where gender takes values between male and female ...
assign variable label to variable name
Hi I have a dataset that has some variables, say, X1-X10. The corresponding variable labels are 2018:q1, 2018q2, and so on. i want to renam...
how to calculate output of r(alpha) (short example included)?
My deepest apologies if this is difficult to work with. I'm not a stata user, i'm just trying to decipher existing code Input ...
Creating an Abortion scale
Hello Everyone, I am trying to create a 7-point scale for attitudes towards abortion for every decade using GSS from 1980 to 2021. So, th...
Stata 18 and Statalist
With the most welcome release of Stata 18, the FAQ Advice has as is customary been tweaked slightly. Members are please asked to take specia...
Interpret log-linear coefficient of a percentage type
Extremely trivial question but I just want to ensure I have the right interpretation. I have the following model: ln(y) = b0 + b1 X1 whe...
Solving a system of nonlinear equations with summations
This is my first time posting in the forum, so my apologies if this question isn't clear enough or doesn't meet all the standards. I...
Newey West SE for a sample with same date in different quintiles
Here is my data example. For one date , I have different values of term in different quintile ( quint ). Code: * Example generated by -d...
Problem with prediction after mlogit
Hi, I am working with a Household survey for 2022, where each row is an individual. I have information on demographics as well as employme...
using coefplot with xtreg
I am using HTML Code: xtreg to run an event study model and would like to use coefplot with it. I have used regress command to generate p...
IBES Analyst Mean Forecast (EPS) for Year 1-3
Dear all, I have downloaded the analyst forecast data from IBES and now want to create panel data (Using CUSIP and firm year). Particularly...
Problem with xtunitroot llc: throws error r(2000) with strongy balanced panel
I am using the Levin Lin Chiu test in Stata 17 to test for stationarity in a panel of 115 countries, from 1995 to 2015 with a delta of five ...
Twoway line graph with non-integer intervals
Hi, I want to create a two-way line graph with the line restricted between two years value. The problem is the subcommand "if" do...
Error in post command: unknown function () post: above message corresponds to expression 1, variable
I´m getting an error in my code when using post command but I don´t know why. The code is reproducible with auto dataset: Code: clea...
unable to export mean and sd using tabstat
Hello, I am using the below code to export my descriptive statistics. All is good except that I get an empty column for mean and sd. Can a...
Different kinds of missings
Dear stata-community, I collected data on about 2000 participants via an online survey. I am now in the process of cleaning that data (wit...
Specification of triple difference-in-differences with 2 treatment groups and 1 control group
Hello everyone, I have an outcome which I measure between two dates for three different cohorts. The treatment whose effect I want to meas...
Ivreg2
Array Hi, I am writing a thesis on the effect of higher stringency on Covid-19 mortality in US counties. I am comparing all counties that...
stset+sttocc matching - nested case-control study
Hi all, I am designing a nested case-control study using cohort data and would like some help with matching using the stset + sttocc com...
Creating a gamma distribution function to estimate likelihoods
I have created a dataset from the following: set obs 10 gen goals=_n-1 gen alpha=1.4 gen beta=1 I want to use a gamma distribution fu...
Ordered Probit: discontinuous region with missing values encountered when estimating Marginal effect
Dear Statalist I am using ordered probit model. While calculating the marginal effect it showing the error discontinuous region with missi...
Ordered logistic regression with panel data and an interaction term between two binary independent variables
Hi Users, I have a panel data set covering the years 2011-18 but mainly focusing on 2015-16. I am attempting to use the xtologit command i...
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