What factors influence the growth of the informal economic sector?

Business in informality can be caused by factors such as the facilitating business environment, tax rates, forms of consumption by buyers, lack of administrative knowledge, complexity of the...

01 January 2021 7,189 5 View

If an observed d falls beyond the upper limit in equivalence testing, what does that mean?

I have been taking your Coursera Classes and reading some of your articles on equivalence testing, and I do not know how to interpret and effect and its corresponding CI, but I do not how to...

12 October 2020 9,046 5 View

[Energies] Special Issue - Wind, Solar, Load, and Electricity Price Forecasting ?

Dear Colleagues, I am pleased to announce that I was invited as a Guest Editor for a special issue on the Energies journal. The open-access journal Energies (ISSN 1996-1073, IF 2.702) is...

26 July 2020 4,028 4 View

Is valid this complexity theory technique to solve outstanding problems?

04 June 2020 7,203 2 View

Hello Who can help me with this error of hec hms ERROR 41742: Invalid initial loss for subbasin??

This error apears only in subasins with a value superior than 19, 682 in the initial abstraction in the method SCS Number Curve.

18 May 2020 6,985 3 View

Coefficient of variation?

Hi, everyone. What's the different, if any, between calculating the coefficient of variation of a group of data disposed in a experimental design with different treatments (for ANOVA) and a "free"...

20 March 2020 4,871 3 View

Are they valid these complexity theory techniques to solve outstanding problem?

03 March 2020 1,035 5 View

Low 260/230 ratio using Qiagen DNeasy kit?

Recently I performed a DNA extraction using Qiagen DNeasy kit and the results show a 260/230 ratio of 1.05 likely due the presence of phenol or other organic contaminant... I have read that you...

16 February 2020 787 3 View

Looking for very stable and innert dyes, any suggestion?

Hi. I am looking for dyes (preferably green or blue) that are very stable (time and temperature), do not change color between pH 6-9 and do NOT interact with proteins or sugars. Thanks

22 January 2020 4,593 5 View

Please, how to run a Cross-lagged Panel Model in Stata?

I am using panel data to search for the causality between two variables, and I think a Cross-lagged Panel Model would be appropriate. I have 8 waves and I want to run de model wave by wave in...

10 November 2019 9,736 4 View

Which of the Covid-19 Vaccines would elicit the best immunoprotection and why?

I want to know which of the available Covid-19 Vaccines would elicit the best immunological response and why

02 March 2021 1,388 3 View

How vaccines of covid 19 work?

Millions ask how vaccines of covid 19 be successful and safe, its here to explain generally how vaccine of pfizer work ,mRNA vaccines teach our cells how to make a protein that will trigger an...

28 February 2021 2,723 4 View

Where can I find public datasets with Covid-19 patient information?

Hi, I'm looking for public datasets that have CT, X-ray information, or medical records for patients with Covid-19. Does anyone have suggestions?

28 February 2021 4,760 3 View

Is there any published or unpublished statistics on dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, US, UK or any other country?

Are there any published or unpublished statistics or papers on the dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, USA, UK, or any other country where vaccination has started at...

28 February 2021 4,237 1 View

If a given country passes mandatory 'vaccine passport rule' to go outdoors, otherwise stay at home, can it help to vaccinate all against COVID-19?

Wether vaccine passport declared not to go out of home without it may help taking COVID-19 vaccine. Can't it break individual's right to protect the community? Your comments on perspectives...

27 February 2021 5,549 23 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

What are the patterns of human behavior that lead to COVID-19 infections?

Does data from contact tracing help in establishing patterns of behavior and social interactions that lead to infections? There are cases here in the Philippines where patients have no travel...

25 February 2021 9,002 13 View

Is anyone working on a project focused on immigrants/newcomers working in the hospitality industry and how they have been impacted by COVID?

The on-going Covid-19 pandemic has had devastating economic effects on many industries. However, few have suffered to the same extent as full-service restaurants. Numerous studies have shown that...

24 February 2021 9,496 4 View

Any Differences in COVID-19 vaccines?

Are there any differences (outside of the clinical trials that led to their EUA) observed in the rate of infection among those who have received the Pfizer vs Moderna vaccine since the mass...

22 February 2021 9,727 6 View

Covid 19 Pandemic ' impact on digital transformation?

Covid 19 Pandemic and digital transformation

22 February 2021 3,351 5 View