How to adjust for covariates while conducting Multiple Regression?

More Berhanu Nigussie Worku's questions See All

What is the difference between rare metals and Rare Earth Elements?

Can all rare earth elements be considered as rare metals?

26 December 2023 7,671 2 View

What is the reason behind that the majority of researchers set the p value of 0.25 to select the candidate variables for multivariable analysis?

most of the time researchers perform the bivariate analysis of one dependent variable with several independent variables, and set the criteria at p value of 0.25 to retrieve a candidates variable...

07 July 2023 8,348 1 View

Who can share with me a systematic review software?

I kindly request friends and colleagues to share with me software for doing a systematic review.

25 April 2023 3,330 7 View

How to read multiple gridded datasets in R package?

I have daily CHIRPs datasets from 1984-2019.I want to extract to my study area and read in R package .Could you give code or methods to extract and read daily CHIRPs data from 1984-2019,please? .

12 September 2021 6,647 2 View

Magnetic survey spacing between points for heat source?

What is the best data acquisition practice or standard for magnetic measurement spacing for a small caldera to investigate a heat source? even for gravity also?

23 February 2021 9,615 0 View

Does bowel operation have connection with lower back pain?

I got bowel operation for partial obstruction two months ago. The operation is healed but I have sevior lower back pain. May be it is the outcome of the continous sleep I had until recovery. I...

19 August 2020 2,730 4 View

About coupled routing and excess storage (CREST)distributed hydrological model ?

How can I get the software ? do you expect the model better estimate soil moisture and other water balance components in small to large area ?

21 May 2020 8,274 1 View

Why does systolic blood pressure increase while the diastolic remain almost normal?

I did not feel comfort and I went to a clinic to have my BP measured. The physician told me my BP is 170/85. I went the next day and it was 140/70. I was curious about the non-proportional...

04 February 2020 6,840 3 View

Comparing two unrelated differences of the mean?

If I have two unrelated groups - A+B Tria groupl A undergoes one treatment and as a result experiences a change in measured variables T testing reveals the paired mean difference and SED + Pvalue...

30 December 2019 560 2 View

How can he find the raw data for sample size calculation for a cohort study?

Hello there, how are you? I do have a friend working a clinical Nutrition research which is rare to our country and specifically localized to Neonatal ICU. There are a few articles which is...

07 March 2019 1,218 1 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,403 2 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

How to normalize and take the significance of the MTT OD values with 3 replicates for the same cell-line?

Hi, I have a question about normalizing the MTT OD values for doing the statistical analysis. So, if we have 3 different plates and we call them 3 different replicates, so, first we would...

07 August 2024 8,106 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

If we are using snowball sampling technique, how do we justify the true representativeness of the sample statistically? is there any statistical test?

Are there any statistical methods to justify your sampling technique using SPSS or AMOS?

05 August 2024 9,153 4 View

How to report results of Generalised Linear Mixed Models in a journal article?

Hi everyone, If you have written or come across any papers where Generalised Linear Mixed Models are used to examine intervention (e.g., in mental health) efficacy, could you please share the...

04 August 2024 4,130 4 View