Methodological confusions regarding deductive and inductive reasoning, hypothesis and theory test?

Hi Colleagues- What do you think about the following methodological issues: 1. Is it methodologically wrong to formulate quantitative research questionnaire based on inductive reasoning? 2. Is it...

21 February 2021 4,634 6 View

How the standard hydrogen electrode value is convertible into reversible hydrogen electrode?

As much I remember +0.0592*pH, as I am working on CatMAP, so my voltage values are in SHE, not RHE.

18 February 2021 1,685 3 View

Train-test split numbers for YoloV3/V4 models?

Dear Research Community, What are the common numbers (in percentages) for splitting the image dataset for training a Yolov3/V4 models? Is there a formal research on this question? Azmyin

08 February 2021 647 3 View

How are the anchor sizes defined in YOLOv3 and YOLOv4?

Dear research community? How are the anchor sizes defined in the cfg files of YOLOv3 and YOLOv4 object detectors? For example from the Yolov4 cfg file...

22 January 2021 4,504 1 View

What is the main advantage of using observer based fault tolerant controller(FTC) for sensor fault tolerance?

I am working on FTC for handling sensor faults in the system. I have read about observer-based FTC schemes which use error threshold-based logic between the states and estimated states. If a...

10 January 2021 5,771 2 View

What are core advantages of 2nd & 3rd generation panel data techniques over the 1st generation techniques?

I am interested to know about the difference between 1st and 2nd and 3rd generation panel data techniques.....

31 December 2020 7,204 7 View

How to construct a combined contour plot of two different text files in python?

As I constructed sperate contour plot for each methane and ethanol but now I wanna draw a combined plot for methane/ethanol ratio (for selectivity purpose)?

30 December 2020 4,531 1 View

Technically is there any difference between policy implications and policy recommendations?

Usually we use the two terms interchangeably in our articles but whether is there any technical difference between them?

26 December 2020 185 18 View

Can a luenberger observer (even a modified version) be effective for a nonlinear affine system?

I want to know whether a luenberger observer or a modified form of it be effective for estimating the states of a system of the following forms: 1. x_dot = f(x,u,d); y = x 2. x_dot = f(x,u); y =...

20 December 2020 1,392 4 View

Modeling several ODE in matlab to create a system?

Please I have 4 groups of 8 sets of differential equations that I want to use for simulations. Each set has 8 differential equations to form a group. Each group is coupled with another group...

14 December 2020 8,193 10 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

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 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

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 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

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

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View