Beta greater than 1 in structural equation modeling?

Dear all, I've encountered a problem while doing SEM and I can't find a solution anywhere. Hope that someone here can help me with this. The problem is, that some standardised estimates in...

11 January 2021 9,792 5 View

SEM in experimental design with 3 groups?

Hi all, I'm trying to conduct SEM analysis (in R) for a study with experimental design with 3 groups (1 control and 2 experimental), but I seem to get the wrong results in the regressions. Hence...

03 October 2020 3,286 11 View

What is the correct SEM estimator for categorical non-normal data?

Dear all, I'm conducting SEM in R with lavaan, and I'm not certain what is the correct estimator for my model. I have 10 variables in total. 7 of the variables are each composed of 3 items rated...

05 September 2020 157 4 View

5. UAV in CBRNE articles/projects/applications/programmes?

What are a UAV/drone in CBRNE-related articles/projects/applications/programmes?

08 January 2020 9,849 1 View

Where can I find information about occuring Gnathotrichus materiarius (Coleoptera: Scolytinae) in America/USA?

Where can I find information about occuring Gnathotrichus materiarius (Coleoptera: Scolytinae) in America/USA? I found some publications and I downloaded data from GBIF, maybe there is something...

24 June 2018 9,506 2 View

Is it possible to create generic model in C-PLEX/Gurobi/Google OR-tools etc?

I have a problem, where equation changes with problem instance size. There are given n circles (centers and radiuses ). Circles dont intersect, they are separable. I need to visit every circle...

03 September 2017 8,557 3 View

Does anyone have identification key that includes genus Hypothenemus (Curculionidae: Scolytinae)?

I found bark beetle, probably Hypothenemus eruditus Westwood, 1836 (Curculionidae: Scolytinae), but I can't find any identification key to confirm it.If anyone has it I will be grateful for sharing.

09 May 2017 8,380 3 View

Western blot detection of Rhodopsin in Drosophila heads?

Rhodopsin in Drosophila is 35kDa membrane protein. Do you know some good homogenization buffer? In the literature I see that most of the people use Laemmli sample buffer and just simply smash the...

09 March 2016 7,318 8 View

Mozilla has very interesting campaign for Gb/s future of the networks

Please contribute, comment, validate, show value, enhance and vote. http://www.mozillaignite.org/ideas/131/ http://www.mozillaignite.org/ideas/169/

12 August 2012 9,084 2 View

Hypoborus ficus (Coleptera: Scolytinae) in Austria - primary source of information?

01 January 1970 9,176 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

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

How to prevent ANFIS Model from negative prediction values in MATLAB?

I have input and output data set for "ANFIS modeling in MATLAB", and I am getting some negative predicted values of output in testing. However, the predicted values of output in training are...

28 February 2021 3,459 3 View

Compact antenna for the frequency range 1 MHz-5 MHz?

Hello everybody! I have a problem with developing a compact antenna for the 1MHz-5MHz frequency range. Tell me what type of antenna can be used and what books and articles to read to perform this...

27 February 2021 7,710 4 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

How to approach CFD simulation results of a flow past a cylinder?

Hi all, I'm doing a transient simulation of flow past a rectangular cylinder close to the free surface. As far as I'm concerned, the common practice is to discard the initial stages of the...

25 February 2021 1,348 3 View

How does an AC-DC power supply Flyback Converter Based USB Charger Model using Matlab/Simulink looks like?

I am required to learn about Flyback converters and I got stuck not knowing to full design of the power supply flyback converter Based USB Charger Model using Simulink, especially the design model...

25 February 2021 5,435 2 View

Please. Could you help be in implementing Fractal Discrete Cosine Transform algorithm in Matlab?

I do need the Matlab code of Fractal Discrete Cosine Transform (FDCT). Can anyone who has already implement this code, help me with the implementation of this transform?

24 February 2021 5,602 2 View