Why is Stata taking forever to give results?

Hi, I am running an event study code in stata. It has loops in it. It is taking forever to give me results. Last time I ran the same code on same data (but not winsorized) it gave me results in...

06 July 2018 8,245 0 View

Can someone help me with stata commands?

Why would the following commands work only for cross sectional regressions and not work with panel regressions in Stata? Vif (to check multicolinearity) Robust (to run robust regression) Hettest...

06 July 2018 2,300 4 View

What is pseudo r2?

When I run quantile regression instead of r2 Stata gives pseudo r2. Is pseudo r2 something formal(not ad hoc) and can I report it in my PhD thesis?

01 February 2018 2,819 10 View

Can r2 be as high as 0.60 in cross sectional data?

I am running cross sectional data analysis and my r2 is as high as 0.60. I have never gotten such a high r2 so curious if I am not doing anything wrong..Can you tell me if this is fine?

01 February 2018 1,561 4 View

Why is stata not giving me the f statistics for the time fixed effects regression when i use the clustered standard error option ?

why is stata not giving me the f statistics for the time fixed effects regression when i use the clustered standard error option ? why is the f statistics blank?

01 February 2018 7,614 3 View

Regarding sample selection?

hi, I know how to control for sample selection bias when doing a regression. But what I dont know is that do we have to deal with sample selection problem when we are comparing the means of two...

10 November 2017 4,443 4 View

Does SDC platinum include firms listed on NYSE and NASDAQ both?

01 February 2017 1,618 2 View

What does pooled cross sectional regression mean?

hi I am reading this article by a researcher who is using the term 'pooled cross sectional regression' again and again. I am confused. I know that when we have panel data we can either run a fixed...

08 September 2016 516 1 View

Can i get helpp with the gsreg command in stata?

hi, Can somebody do the gsreg command for me in stata? If I provide you the data? my computer would take a couple of weeks do it that is why I am requesting . kind regards, Saadia

06 July 2016 4,239 2 View

How to choose between ridge resgression and regression with robust standard errors?

hi my data has both hetroscadasity and multicolinearity. For hetro I need to run regression with robust standard errors and for multi I need to go for ridge regression. Which one should I use? Is...

05 June 2016 8,395 5 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View