Any advice on how to extract beta coefficient series from nonlinear regression in Stata?

11 December 2015 1,020 2 View

Output of non-liear reg from stata into word doc?

04 May 2015 8,440 0 View

How to forecast the volatility models in matlab? How to get the error measures RMSE,MAPE,SE,R square?

Can anybody advise how to forecast and get goodness of fit measures in Matlab. I am using different models. I already divided my full sample time series randomly into training and testing. I...

31 December 2013 784 4 View

Which is the best regularization technique to use with GA-HMM model?

I am using hybrid model in time series forecasting with Matlab and already randomly divided the data into training and testing but need to know which is the most appropriate ( and easy as...

31 December 2013 8,080 1 View

Is ridge regression a suitable method to analyse stock price time series?

I will test the accuracy of GARCH models (EGARCH ,GARCH normal, FGARCH, APARCH), EWMA model, GA-HMM hybrid, extreme value theory on daily, weekly and monthly datasets. I used Matlab and randomly...

31 December 2013 2,586 0 View

Using genetic algorithm for time series prediction and preprocessing the data?

Should I use preprocessing techniques (such as cross validation or clustering data mining) to prepare my stock price time series data before I apply the GA. What is the minimum number of...

31 December 2013 1,638 5 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

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

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View