cluster 2 varlist not allowed

Hi, I'm replicating a report, and this is the attached do-file use wintertime_final, clear gen snodas_weighted=snodas_max+(.25+.125*w...

Specific Values of Variables and creating a new Variable

Hello, I am trying to takes 3 variables and take a specific value from that variable, and create a new variable with this.I am trying to t...

Terrible parallelization performance in Mata

I just ran an example from the SJ paper about boottest ("Fast and Wild") and was surprised at its poor performance. I'm fortu...

Replace missing values with those of previous values or those of the partner

Hi Statalist. I am using annual survey responses on marital status from a panel study (for each partner in a couple - married/cohabitation...

Lincom for interpreting interactions in logistic regression

Hello, I am estimating, for example, the following double-difference / difference-in-difference logistic regression where opt_dum, depstat...

Plot Transition Matrix on a Graph

Hi all, I would like to plot in a graph the transition matrix from employment to employment (EtoE), unemployment to employment (UtoE), une...

Twoway graph with two bars in one diagram

Hello everyone, I am new to Stata and currently trying to create a bar chart that shows GDP data from two different countries over a certa...

Sum of dummy variable up until the point of observation

Dear STATALIST forum, I have a question about generating a variable that depicts the sum of a dummy variable up until point x. To help you...

Let values continue

Hello, can someone tell me the command how to do what is shown on the screenshot. You copy the values of another variable and then pull it ...

Intercepts at knots in mixed

Dear all, I am currently working on a mixed model with incorporation of knots at specific timepoints to compare the course over time betwe...

distribution explanatory variable for different birth cohorts

Hi there, I'm struggling to understand part of a assignment that I need to do. I have to examine whether education has an effect on ...

tabstat of multiple dummy variables

Hello, I have a large dataset of N = 59,000,000. I have a set of diagnoses dummy variables a00_a09 - u_unclassified, and a set of servic...

Confidence-interval plots / any plot : resize possible?

Dear Statalisters My question, basically, is whether there is a 'correct' way to resize Stata graphs (including the background reg...

How to perform NLS estimation with a complex function

Dear Stata users, I need to use NLS to estimate the following equation describing the so-called Bass diffusion model: y t = m * [ ( (1...

Endogeneity & dropping of constraints

Hi, I am doing Durbin–Wu–Hausman test to test my independent variables for endogeniety. My data is cross sectional and I have a matched ...

Hausman test/Estimating pmg,mg, dfe

Good afternoon I am estimating a dynamic model with pmg, mg and dfe. the study has to do with the application of the kuznets curve to CO2...

Subsample dataset under multiple conditions

Windows 10 Stata 16 Code: * Example generated by -dataex-. To install: ssc install dataex clear input long region str6 gender float age...

Looping to create a difference score

Hello all, I am working on a project where I need difference scores. I will have a number of difference scores, so typing the command over...

Cross tabulations based on multiple dummy variables

Hello, I have a large dataset for N= 59,000,000 observations. I have 154 dummy variables relating to a set of diagnosis codes, and 173 d...

Ordered Probit with 2 continuous interaction term

Hello all, I am doing an ordered probit regression as follows: Y takes the value from 1 to 10 X is a continuous variable Z is also a con...

Interaction terms on robust standard errors result in no F-stat and p-value

Hi all, I am currently experiencing some difficulties with my model, and I hope you will be able to help me. When I'm running my regr...

marginal effects in hurdle model

Dear All I'm fitting a hurdle model (with the command churdle linear) and use the margin (margins, dydx(CategoricalVariable)). I wonde...

Intra-Day Data Differences

Hi, I am working with the following intra-day data. Code: * Example generated by -dataex-. To install: ssc install dataex clear input ...

Merging data

Dear all, I want to merge data from two different datasets. The first has only one observation per firm(CUSIP) for a given year, as shown....

Anyone want to do my homework?

Anyone want to do a statistics assignment for me? I am strugglinggg. It's an elementary course for Stata and I'm suppose to analyze ...

expression too long r(130) while specifying starting values

I am using sfpanel() command and I need to set initial values for the variables before running the regression. In order to set the initial ...

Combining multiple variables

Hello! I just started learning Stata and I am using a consensus data set and trying to combine a bunch of different variables to make one ...

Combining multiple variables

Hello! I jsut started learning Stata and I am using a consensus data set and trying to combine a bunch of different variables to make one ...

Split file by group i.e. group 1 (non clinical) vs group 2 (clinical)

Hi there, Might someone please advise how I split my Stata dataset by 1 variable "Group" which is has two levels 1 (non clinical...

Control variable that varies accross time but not accros countries how to add to dataset and regression

Hello everyone, For my regression i am using the VIX as a proxy for volatility and the TED spread as a proxy for the global risk free rate...

Quintile Sorting two variables

I have monthly observations from various funds over along amount of time but the time series are unbalanced. For each fund I have an average...

Displaying results in full form - double format

Hi All, I am using the following command, in stata 13.1 total subsidyamt, over(fiscal_year1) to calculate the total amount of subsidy ...

Very weird spmap problem: "master data not sorted"

Hello all Suddenly, I am having some unexplained problem with spmap: syntax which previously was working now does not anymore, reporting t...

R2 difference from different regressions

Array Hello, i'm working on replicating Peters and Taylor(2016) i want to know how to compare R^2 from different regressions like pane...

Year and industry fixed efffects

Hello; I have a paneldataset of the S&P 500 from 2002 to 2019 and need to implement industry and year fixed effects. However i get t...

An issue using esttab syntax

Hello, I would like to show the `y' variable in excel when running each of the following regressions using "esttab" syntax. I...

How to rename and format variables from appended tempfile?

Hi Statalist, I'm trying to append, rename, format and generate new variables. may goals are to; 1. rename variables "SCH_ID...

Comparing independent variables in different models with the samen depedent variable

Hello, I am running three multiple linear regression models. In all three, the dependent variable is the democracy index score of a range ...

Latent class analysis - constraining categorical variables

Hi Statalist! I am trying to perform a latent class analysis and I am very new to this method, so I hope you will understand if my questio...

Testing significance for Alphas CAPM

Hello everybody, I have calculated monthly alphas and betas for monthly fund data from different portfolioids. How can I test the statisti...

Survey data- Pool Cross Sectional data with weights- What to do with weights?

Dear all, I have a pooled cross sectional data ( weakly balanced, 9 different years wealth and income data for individuals belonging to 4...

Loops to make variables compatible

Hi, I have a variable which has been coded differently in two datasets. (old one for year 2000 and new one for year 2005 ) Old codes are...

IPTW - strategies

Hi everyone, I'm evaluating whether increased dosage (number of completed sessions) of an behaviour change therapeutic program, is ass...

creating a loop

Hi guys: as you can see, below are four parts of repetitive codes, and the only difference is ccode2 (31, 40, 41, 42). so i am wondering if...

Panel index within group

Hey there, I like to create a new column indicating the occurrence of non-missing BAM within each id. For example, a new column named "...

Question: Generating summary statistics table with tabstat and table

Dear all, I have recently attempted to generate a descriptive statistic table with the command Code: tabstat govtdebt metrde, statisti...

Fitting two lines using aaplot

Dear All, Is it possible to fit two lines (i.e. more than two variables) using the aaplot command? If yes, will appreciate any possible he...

Time fixed effects as dummies change significance

Dear Statalist, I am doing research on using nighttime light (radiances per area) to predict real regional GDP (random effect model). I hav...