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

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 code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

Satellite orbit estimation using Recurrent Neural Network - what should I use?

Hello, I am a master's student studying in Yonsei Univeristy, Korea. I am trying to estimate the state of satellite, using Neural Network. Below is a simple flow of my study. 1. Train (t0 ~ t1)...

23 February 2021 6,383 3 View

How can I get the coding gene sequences of Hela and U2OS cell lines? Is mRNA sequence of Hsp90 alpha tissue specific??

I am looking for hsp90 mRNA sequence in Hela and U2OS cell lines, I have tried through ncbi but always the output is hsp90 in homo sapiens not in the specific cell line. Kindly, could any one...

22 February 2021 1,853 3 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

Difficulty in debugging code to correct error - TypeError: '<' not supported ?

I am trying with a Unet code ontained from net ...in tensorflow. When trying to predict the segmentation result with the trained and saved model with metric " iou" using "CustomObjectScope"...

22 February 2021 5,254 1 View

Which software is best to analyse multi-phase fluid flows ?

Hello everyone, hope all is good. I want to analyse multi-phase fluid flow through pipe, which software is best to do so ?

21 February 2021 4,230 8 View

Has anyone used deep learning for 2D/3D REGISTRATION ?

I am a Master student in Biomedical (Bio-electrical) Engineering and work on " 2D-3D registration ( CT and X-Ray) as my thesis. I created DRR from CT and want use CNN( Convolutional Neural...

19 February 2021 6,354 3 View