Confounding factors in RCT?

More Anas Almiani's questions See All

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

How to determine the dominant orientation of collagen fibers.?

what is the best method to determine the dominant orientation of collagen fibers? i preformed FFT and shited the frequencies , what should be my next step ?

24 December 2020 3,360 3 View

What is the best Machine learning method to extract collagen bundles features ?

what is the best machine learning method , to segment and extract the length , angle and the size of collagen bundles pictures obtained from the human cornea?

07 December 2020 336 6 View

Where could I find IoT devices location dataset in supply chain environment?

I am doing research in permissioned blockhcain more precisely permissioned blockchain application in some sort of supply chain environment involving IoT devices for which I am looking for IoT...

14 September 2020 5,748 3 View

How does peak broadening in XRD relate to residual stresses in thin films ?

The shift in 2teta angle of XRD peaks is related to stress in the film. But for peak broadening how is it related to stress ? Thanks

09 August 2020 532 6 View

Do all random access procedures and packet transmission in NB-IoT happen during one Nprach_periodicity?

Hi all, I have two questions about random access procedures of NB-IoT In NB-IoT, Nprach-Periodicity is the amount of time between two consecutive random access transmission attempts. Random...

01 May 2020 7,684 5 View

What are the best resources to learn cuda programming?

Friends, I have a lot of C programs that I would like to convert to Cuda for performance enhancement but I am facing a lot of problems doing that. So I have decided to learn more about Cuda as my...

26 April 2020 2,925 4 View

Fail Safe N, Orwin method?

I need to calculate Fail-Safe N of my meta-analysed studies. I am having difficulty in understanding Orwin's method. Can anyone please elaborate with the help of an example?

03 March 2020 7,403 3 View

Usefulness of CMA lite version?

Can I do moderator analysis on the lite version of Comprehensive meta-analysis software (CMA)? Or is it necessary to get the Pro version of it to perform moderator analysis? Quick responses would...

02 March 2020 328 2 View

What is the effect of crystal orientation of powder on sintering process?

Crystal orientation of powder is an important parameter in powder technology, so the movement of powder during process depending on this parameter.

11 February 2020 6,092 1 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 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 could I process data in RCT to include it in meta-analysis?

I'm in the process of doing a meta-analysis and have encountered some problems with the RCT data. One of my outcom is muscle strength. In one study, I have three different measurements of muscle...

25 February 2021 7,603 3 View

Is it mandatory to specify Subjects Combinations in Generalized Linear Mixed Models (SPSS)?

Hi all, I have data with two levels: lets think of the classic example of students and schools. When running the analysis in SPSS and selecting the Random Effects, we can select (we can or we...

24 February 2021 7,379 4 View

Satellite orbit estimation using Recurrent Neural Network - what should I use?

Hello, I am a master's student studying in Yonsei Univeristy, Korea. I am trying to estimate the state of satellite, using Neural Network. Below is a simple flow of my study. 1. Train (t0 ~ t1)...

23 February 2021 6,383 3 View

Any Differences in COVID-19 vaccines?

Are there any differences (outside of the clinical trials that led to their EUA) observed in the rate of infection among those who have received the Pfizer vs Moderna vaccine since the mass...

22 February 2021 9,727 6 View

How can I get the coding gene sequences of Hela and U2OS cell lines? Is mRNA sequence of Hsp90 alpha tissue specific??

I am looking for hsp90 mRNA sequence in Hela and U2OS cell lines, I have tried through ncbi but always the output is hsp90 in homo sapiens not in the specific cell line. Kindly, could any one...

22 February 2021 1,853 3 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

Difficulty in debugging code to correct error - TypeError: '<' not supported ?

I am trying with a Unet code ontained from net ...in tensorflow. When trying to predict the segmentation result with the trained and saved model with metric " iou" using "CustomObjectScope"...

22 February 2021 5,254 1 View

Suraj Kapoor

May be the financial status / salary etc.

Riccardo Polosa

There is a large body of literature showing the impact of monetary incentives on smoking cessation. For RCT of smoking cessation, this is an important confounder because it significantly inflates “success”. The positive impact reported in the RCT using any type of intervention is largely confounded by the effect of monetary compensation. That is why real world / naturalistic studies of smoking abstinence have much worse outcomes