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 model actual occupant behaviors in DesignBuilder?

03 April 2017 9,984 1 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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 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

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View