How to determine the Nonprobability sample size?

If the sampling frame is not defined (non-probability sampling). How can I determine the sample size so that the sample reflects the real population? -- Example, I'm conducting a survey of...

31 December 2019 1,591 3 View

Is there any documentation for IfcOpenShell on Python?

IfcOpenshell is a good interface to read BIM Ifc files from different software, it is written in C++ as well as Python, however I haven't found enough documentation on IfcOpenShell for Python, Is...

09 October 2017 1,838 4 View

What does it mean when a paper status is changed from "Under Review" to "Under Editor's Evaluation" at Elsevier Editorial System?

04 May 2017 4,104 67 View

How can I use python in CFD modeling?

I'm very enthusiastic to use programming languages in Architecture simulation modeling. I have already learned C# and python but I don't know where to go from here? Besides that, I wouldn't like...

09 October 2014 5,437 10 View

What is the optimal way to carry out architecture CFD coding?

I would like to develop an interactive tool for building simulation using CFD. What is the best orogramming language or open platform to use and how do you use it?

05 June 2014 2,967 2 View

What is the best way to calculate airflow rate in a building interior whether using CFD or any other measurement tools?

What is the best way to calculate airflow rate in a building interior whether using CFD or any other measurement tools?

05 June 2014 3,144 3 View

What is the optimal way to simulate the airflow rate or air exchange rate in a building using CFD?

For simulating thermal comfort, the air exchange rate has to be calculated. I have used a very long way to calculate it by evaluating it for every window and the summing the total value. Is there...

05 June 2014 7,160 3 View

Why am I getting an error message in Rhino Python?

I'm working on a tool using RhinoPython with Numpy and Scipy modules. I 've downloaded and installed Ironpython but when I import scipy it gives me this error messsage "Message: 'module' object...

05 June 2014 6,235 2 View

Python GPGPU module ?

Any suggestions about the best Python GPGPU module for big data computing ?

01 January 1970 1,608 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View