Regression

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Questions related to Regression

Count model and negative binomial regression?

If dependent variable - the number of participation in legislative elections (1-8), which regression is better? count model and negative binomial regression? If 'yes', why?

17 July 2021 6,433 3 View

How to plot the three-way interaction?

Given the independent variable (x) and two regulating variables (M1 and M2), if we want to plot a three-way interaction diagram, which interaction items need to be calculated? After obtaining the...

13 July 2021 9,013 4 View

How to correct auto correlation in my regression model on DuPont Analysis?

As part of my research, I have to analyse 10 years time series financial data of four public limited companies through Multiple Linear Regression. First I analysed each company separately using...

12 July 2021 8,936 3 View

How does Exploratory regression works with categorical Data. Looking for good examples ?

09 July 2021 3,373 3 View

Can anyone help me to get a STATA Command for marginal effects after multinomial probit regression?

In my dependent variable, four categories are there. I already have found the regression result of mprobit. Although, I had run a syntax: mfx, predict(p outcome(4)) varlist(_all), but I got...

09 July 2021 2,635 5 View

How to calculate total carbohydrate content (anthrone method) from the standard curve ?

By using the regression equation, Y=mX+C, whether to take C=0 or not in this calculation?

08 July 2021 625 2 View

Using large scale data from many country will give a stronger result- can this be a strong rationale for a research?

No previous study used large-scale data from many countries on a topic- can this be a strong rationale for a study? for instance, if I say that there is no previous cross-national study on a topic...

01 July 2021 1,639 4 View

Hi can someone please explain this final model of binomial regression.?

This is the final model. Log (odds of discontinuing exclusive breastfeeding) = -4.259+0.850 superior support+0.802 sufficient duration to express breastmilk. Thank you.

30 June 2021 7,565 5 View

Has a GRU the same performance as an LSTM for prediction or regression, or it only needs less epoch for training?

The GRU uses fewer parameters to be tuned, but in my opinion, has the same performance as an LSTM for prediction, a good reference is "LSTM and GRU Neural Network Performance Comparison Study:...

23 June 2021 457 4 View

How to use Monte Carlo technique in multilevel double mediation model in Mplus software?

Actually, I am confused with the following problems: 1. Monte Carlo generates data whereas I have primary data. 2. Still I have to use Monte Carlo? should I generate data through monte Carlo first...

17 June 2021 1,183 4 View

Cox-model: non-linear relationship between predictor and covariate – is this a problem if schoenfeld residuals are ok?

I'm using cox regression model to study the association of variable A with coronary heart disease. One of my covariates (variable B) has a clear non-linear relationship with predictor (Variable...

16 June 2021 7,513 3 View

question is deleted?

This question was about the PROCESS test but has been deleted.

26 May 2021 7,543 1 View

Can a dependent variable in one regression be used as a control variable in another, related regression?

I am creating 5 different regression models to measure a single phenomenon, tuition discounts. Tuition discounts are my independent variable in each regression. The Dependent variables are...

23 May 2021 752 5 View

Are summated scales or factor scores more appropriate as independent variables?

Hello, As you know, in logistic regression models, outputs of factor analysis (summated scales and factor scores) can be used as independent variables? In a thesis study, researcher suggests...

23 May 2021 5,770 5 View

Is the "Scale purification” ( the process of eliminating items from multi-item scales) sensitive to the sample size and the sample characteristics?

Considering the cut-off, removing items with low loadings may be the best strategy when conducting the Exploratory Factor Analysis. But, is the "Scale purification” ( the process of eliminating...

17 May 2021 8,230 4 View

Poison regression vs survival Analysis vs cox regression?

Dear research gate members, would you please let me know the specific assumptions and conditions to use these phrases?

14 May 2021 5,726 8 View

Lag selection criteria in VECM ?

I am using VECM for establishing the relationship between ECB and exchange rate, interest rate, GDP, inflation, trade, and risk. The lag came 1 as per SIC and HQ and applying VECM at lag 1, R is...

04 May 2021 6,562 12 View

I have 2 variables, arch effect should be tested in residuals of 2 different AR(1) equations or residuals of 1 equation containing both my variables?

I want to apply multivariate GARCH(DCC-GARCH) for 2 variables (rbse, roil) to know the spillover effect. As a precondition, I have to test the presence of ARCH effect in the residuals of linear...

02 May 2021 3,827 2 View

How to get standardized regression coefficients from unstandardized regression coefficients?

I have unstandardized regression coefficients and standard errors from a multilevel regression model. So I guess I have to transform first the standard errors to standard deviations in order to...

23 April 2021 9,250 6 View

How Implement ANN by using PyTorch?

I am trying to implement a non-linear regression task using PyTorch framework by ANN. The inputs are numerical model results data for 5 variables ( x1, x2, ...., x5) and the output is one...

05 April 2021 1,384 0 View

Regress reaction times in or out in fMRI design?

Hello, I've got a question about reaction times in a cognitive task being modelled as a regressor of interest or regressed out from the estimate. In my experiment, subjects performed a (variant...

26 March 2021 9,740 4 View

How to define variance structure in animal model with maternal effects in Asreml-R v.4?

Hi everyone, I am giving a try to asreml-R v.4 for plant and animal breeding programs. I am basically trying to translate some asreml code from the book "Genetic Data Analysis for Plant and...

22 March 2021 9,094 0 View

Logistic Regression with duplicate data?

i am running a logistic regession - outcomes are binary (pass/fai). but some id has shoed up two times, say, two incidence of fail. should i inlclude , or just delete the repeated obervations....

19 March 2021 8,447 2 View

How can I create a risk score from logistic regression?

I am creating a risk score from some variables using the following steps: 1- Dividing data into training and validation cohorts. 1- Logistic regression (unadjusted then fully adjusted). 2-...

06 March 2021 6,627 5 View

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