What is happiness?

In psychology, happiness is a mental l state of well-being and positive or pleasant emotions ranging from contentment to intense joy. Who is a real happy person? What are the factors of...

06 July 2018 3,461 7 View

Does Wisdom Bring Happiness (or Vice Versa)?

I think many scientists are not as happy as the other people?Does Wisdom Bring Happiness (or Vice Versa)?

06 July 2018 3,427 2 View

Is knowledge and science the same?

Science is the collection of ideas and theories and the methodology used by people to prove them. Some people believe it is another form of knowledge. I think science is the body of an organized...

04 May 2018 3,630 5 View

Somebody believe in "The end justifies the means." Do you agree?

Somebody believe in "The end justifies the means." They believe that a final result is so important that any method, even a morally bad one, may be used to achieve it! Do you agree or not? What...

03 April 2018 175 14 View

Do you agree that the age of consent is more than 18? Is it a valid index?

The age of consent is the age at which a person is considered to be legally competent to consent to sexual acts. Do you agree that the age of consent is more than 18? Is it a valid index? Are all...

03 April 2017 3,776 10 View

Does IQ test a valid and correct questionnaire to measure Intelligence?

31 December 2016 749 87 View

How can we be free from depression?

31 December 2016 2,643 5 View

What do you think about the life?

11 December 2016 6,912 11 View

What is the nurse's role in palliative care approach?

Palliative care is a part of medical care for people with serious illnesses that focuses on providing patients with relief from the symptoms, pain, physical stress, and mental stress of a serious...

09 October 2016 9,178 4 View

Can dehydration cause effect on our mind?

06 July 2016 4,874 1 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 long do vaccines protect us against COVID 19?

Or will we have to get vaccinated every year, as in the case of influenza?

27 February 2021 1,048 5 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