What are the dangers of procrastination?

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 8,770 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 2,785 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 9,429 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 8,155 1 View

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

Please share your unforgettable ones!!

04 May 2016 6,218 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 8,537 5 View

Can anyone be a leader with training?

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

02 March 2016 2,890 1 View

Why top ranked journals do not publish negative findings?

Have you really experienced this! Your observations are welcome!

02 March 2016 3,935 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 1,489 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 8,335 4 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

How to make a time series imputation benchmark ?

Hello ! In a work, I have to benchmark different algorithms to fill in missing values in time series. I insist on the fact that this is imputation and not forecasting. In my case, I have access...

24 February 2021 7,470 7 View

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View

I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future ?

I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future without necessarily conducting the assay for an extended...

23 February 2021 7,842 1 View

How to run repeated measures in mvabund?

I have a dataset of fish species abundances collected from 6 different habitats over the course of 30 years. Fish were collected multiple times per year and environmental variables were recorded...

21 February 2021 3,838 1 View

Can someone help me with this error that I am getting while estimating a VAR model in R?

I am using annual time series data to estimate a VAR model in R. However, when I run the command to find the optimal lag length, I get the following error: Fehler in VARselect(data, lag.max = 10,...

18 February 2021 9,647 3 View

What is recommended and opened real-time or nearly real time geospatial data used in flood risk assessment and regional planning on a detailed scale?

I asked recommended real-time or nearly real-time data source for any parameters for flood risk on a microscale analysis for urban area cases in developing countries that had agglomeration urban...

18 February 2021 2,617 2 View