Is it the right method to transform path coefficients into correlations before meta-analysis?

We all know it is possible to get path coefficients from correlation matrix (e.g., PATH ANALYSIS I: INTRODUCTION (ecu.edu) ). Using a simple solver on a spreadsheet, it is therefore possible to...

23 February 2021 8,366 3 View

How can one use PSO to find finite non continous parameters (e.g. enums) ?

Hi, I am making an implementation of PSO for deep neural networks training. For that, I would like the PSO to find the best activation functions as well. However, unlike weights, I use a set of...

12 November 2020 1,506 3 View

Interactions in non-experimental data (agriculture) ?

24 September 2020 2,954 5 View

Any advice for an econometric model with panel data and a lagged variable ?

Hello, I am studying the nutrition status of households using a panel data survey of South-African Households. I would like to study the changes in the nutritional status of households between...

23 April 2020 5,017 6 View

How can I get the required sample sizes for PLS-SEM using G*Power?

I have tried to compute sample size with G*Power but I cannot get the results indicated in the table 1.7 of the book by Hair et al. A Primer on PLS-SEM. Have you tried to check this ? Have you get...

24 March 2019 5,596 1 View

Who knows a botanist in Mexico who could help me by collecting Mexican species of Gentiana?

Because of time limitation, I will not be able to visit Mexico in summer 2019. Yet, I would need a few species from there for some phylogenetic work by autumn 2019. These species are: G....

02 March 2019 9,199 2 View

Rate of oxidation of various materials?

Dear colleagues, Would any of you guide me to literature papers or websites which compiled the temperature dependent (T>1000K) oxidation rates of various materials (metals, ceramiques,...

23 January 2019 1,746 9 View

Does anybody have experience in the in vitro generation of IFNy-secreting NK-cells from murine progenitors (LSK) ?

28 May 2018 7,911 3 View

What is the simplest and cheapest method for coating glass with a thin 100 micron uniform layer of epoxy or silicone resin?

I want to make a uniform thin coat of resin /pigment on 5*100 cm glass sheets. The glass could be cut before or after the coating is applied. The coating should be very even in thickness. Any...

10 February 2018 2,569 5 View

Can poor public service provision lead to a crisis of legitimacy and subsequent social turmoil?

As far as I know, there is a growing literature, which discusses the potential of public service delivery to contribute to peace-building via increasing the legitimacy of service providers (often...

04 August 2017 8,178 6 View

What is the most reliable source to get Impact factor of journals?

Source to get Impact factor of journals

01 March 2021 6,654 2 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Your thoughts on the spherical densiometer to estimate relative species canopy cover?

Hi biologists and biogeomorphologists, I want to characterize vegetation plots on a transect that follows a successionnal gradient from a river bed to a mature forest. Ecologically, I am...

26 February 2021 5,720 2 View

Which index or sites are reliable in determining of plant species?

There are many indexes when determining plant species: Plants of the World Online (POWO), International Plants Names Index (www.ipni.org), The Plant List (www.theplantlist.org) and others. But...

26 February 2021 3,404 10 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

How do historians determine the credibility sources in modern history?

For a source to be considered reliable it must contain accurate historical information. But how does one determine the accuracy and reliability of sources in modern and recent history since not...

23 February 2021 1,346 13 View

Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View

How to assure whether a regression tree overfit or not by seeing bias-variance value of the model?

Lets consider a regression tree in which variance is 1.1065*e-10 and bias is 2.962e-13. Also the model RMSE on training set is 1.5e-5 and on training set is 1.2950e-5. Is the model is overfit or...

22 February 2021 7,755 2 View

How can we measure the reliability and validity of our survey questionnaire?

We are conducting survey research on COVID-19 misinformation among students. How can we validate our survey for it to produce valid and reliable data? Also, what statistical tools can we use to...

16 February 2021 678 3 View

What does the value 0.498 in reliability?

There are 6 television programmes of different TV genres and their mean and mean ranks are put for each of them. But the reliability value of all the programmes together is 0.498 . So what exactly...

15 February 2021 7,686 4 View