Under what circumstances could we use stepwise linear hierarchical and Multilevel regressions?

More Berhanu Nigussie Worku's questions See All

Mixed effects model or Generalized Estimating Equations (GEE)?

Which of the two statistical techniques - mixed model or GEE - is preferable to analyze repeated data, and why? Cheers, Berhanu

06 July 2018 9,841 7 View

While preparing a manuscript of academic research for publication, is it important to keep clinician readers in mind too?

That is it. Forward your brilliant ideas and thoughts! Peace with you all! Berhanu

10 November 2016 2,934 4 View

What are the extra advantages of entering data into Epi-Data instead of directly entering into Statistical Software such as SPSS ?

P/s forward your opinions and ideas in terms of managing the quality of data!

05 June 2016 9,805 5 View

Are there sound & valid scientific evidences for the hypothesis" Satisfied needs and completed tasks are easily forgotten"?

You can also share your personal experiences and anecdotes to prove or disprove the long hypothesized statement! Pleasant time! Berhanu

05 June 2016 8,296 1 View

What is your favorite LIFE and/or HAPPINESS quote ever?

Please share your unforgettable ones!!

04 May 2016 6,381 7 View

Why having one definite definition of Quality of Education is difficult for educators?

Indicators of quality of education are usually inputs, processes and outputs. However, the definition of quality is always controversial and debatable. Why do you think it is so? Cheers, Berhanu

03 April 2016 8,701 5 View

Can anyone be a leader with training?

I am curious to know whether a leader is born or made??

02 March 2016 3,042 1 View

Why top ranked journals do not publish negative findings?

Have you really experienced this! Your observations are welcome!

02 March 2016 4,081 4 View

Is it possible to effectively utilize Randomized Clinical Trial (RCT) design in behavioral sciences research?

I really really need clarity whether we could use RCT in areas such as child development! Eager to hear from U all!!

02 March 2016 1,634 8 View

What are the effective tips to motivate students' statistics course learning?

P/s suggest me some effective techniques to encourage social science students to participate and successfully learn stat course at Masters level!!

31 December 2015 8,489 4 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

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

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

The 95% confidence interval, which ranges from 0.0 to 1.2, prompts the question: Is the regression coefficient significantly different from zero?

I utilized a Bayesian state space model to analyze the data. The 95% confidence interval, which ranges from 0.0 to 1.2, prompts the question: Is the regression coefficient significantly different...

01 July 2024 9,575 2 View

Hello every one , i have a question about Using Design expert software , according to what i choose configuration ?

I means exactly ,linear regression like ( logit , inverse power ...), what is the difference between each other ?

01 July 2024 4,479 1 View

Berhanu Nigussie Worku

P/s share me your expertise so that I can confidently use them to analyze my data!

s. Béatrice Marianne Ewalds-Kvist

Dear Berhanu,

Under e.g. this circumstance:

If you want to control for e.g. the effect of age and socially desirable repondents then you can check this in your set of variables and see if they are able to predict a significant amount of variance in e.g. attitudes towards mental disorders.

Thanks dear!! I need more explanation thought!!

Informative resources, many thanks dear!