Do I have to run multiple regression when X & Y is not significantly correlated?

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Mediation Model- If X and Y is not significant at first but X-M and X-Y sign correlated?

Hi, My hypothesis is that M can mediates the relationship between X and Y. I have also hypothesised the following in order to check the assumption for running mediation model: (a) X-Y correlated,...

16 April 2019 2,687 0 View

Is there an alternative to a multinomial regression which allows the DV to be non mutually exclusive?

I am trying to analyse data from a survey examining what variables affect teachers perceived barriers to incorporating technology into their classroom. I have 5 predictor variables however my DV...

06 August 2024 1,752 3 View

In order to run Multinomial Logistic Regression, is it required that the data be in the long format?

I am using unit level data (IHDS round 2) & Stata 17

06 August 2024 5,725 2 View

Normality assumption for linear regression is The assumption of normality is whether for residual errors or predictor variavble?

When we conduct linear regression, there are several assumptions. The assumption of normality is whether the residual errors are normally distributed, not whether a predictor is normal?

31 July 2024 6,164 3 View

Is it redundant to use both Random Forest and Decision Tree algorithms in the same regression project?

I am currently working on a regression model for a project and considering using both Random Forest and Decision Tree algorithms. Given that Random Forest is essentially an ensemble of Decision...

23 July 2024 4,306 3 View

How to interpret good fit but insignificant indirect effect?

Hi everyone, I have conducted a mediation analysis with SEM. My model fit was good but there was no significant mediation. Which aspects of this should I discuss?

19 July 2024 4,272 5 View

If in a panel data, T>N then which model is appropriate ?

In my data set, T is greater than N, so I chose quantile regression for my data set. So is it appropriate for that?

15 July 2024 6,416 4 View

What are the problems we face when we directly inverse a multivariate regression equation?

Why direct inversion of mutivariate regression equation is not preferred and instead optimization techniques are used?

15 July 2024 8,642 3 View

Different Coefficients in Correlation and Mediation analysis?

Hello everyone, I am conducting a mediation analysis in JASP software. First, I checked for a general correlation with the IV-mediator correlation being significant at p =.015. Then, when I ran...

14 July 2024 3,458 1 View

How to interpret a Low R squared and negativ adj. R on my fixed effects panel analysis?

Hi guys, in the context of my master thesis i analyze the statistical relationship between income and subjective well-being (Panel: SOEP, n: 300.000 observations over 10 years). After creating a...

13 July 2024 7,539 6 View

How can I merge two power regression curves into a single graph in SPSS 25?

I created Bland Altman Plot to assess the difference, But I want to visualize the difference between the two curves in the same graph.

02 July 2024 5,361 0 View