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

Why median regression (quantile regression) results wont display f statitics in stata?

I just ran a median regression in stata and it doesnt show the f statistics of the model. Why is this so?

01 February 2018 6,261 6 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

Dear all, I was wondering if anyone knows whether MGLtools and Autodock can run on Mac OS?

I have tried to download the 64-bit version of MGLtools however, as many times as I have downloaded and uninstall the programs, an error arises that the app needs to be updated. Thank you.

03 March 2021 5,997 2 View

I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 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

Do I need to strip the PVDF membrane before staining it with colloidal gold?

Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...

02 March 2021 7,829 3 View

PACYC PCR not working after several attempts. Would anyone have any suggestions?

So, I have been trying to run a pACYC PCR which will be used later on for a Gibson Assembly. However the PCR is not working. I have already tried gradient PCR and changing extension time; however...

02 March 2021 1,146 2 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

OpenBCI eeg--has anyone used them?

I'm looking to try out an off-the-shelf EEG set for some exploratory work. Curious if anyone has used the OpenBCI, and how much set-up work is required. I've heard they are more difficult to get...

01 March 2021 4,128 3 View

Is there any expert in Smart PLS who can help me?

Dear colleagues, I have a manuscript that needs an expert in smart PLS to run the analysis, Is there anyone expert and ready to help me, please?

01 March 2021 8,212 3 View

Can Ethovision store the generated data and video recordings directly to NAS system?

The size of data generated by Ethovision is huge. Having NAS system for data storage seems to be a good option, I am wondering whether Ethovision can directly store the data to the NAS system...

27 February 2021 6,350 2 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View