Which optimization algorithm is most efficient for fitting a regression model using training dataset?

The goal of regression model is either to minimize the prediction error or to maximize a classification accuracy depending on the type of the model. Is there any optimization algorithm that is...

10 February 2021 4,128 3 View

Any end to end machine learning project using predictive maintenance on production line to locate faulty parts and forecast the faults?

I am writing my master thesis and my tasks are: To locate faulty stations/features which lead to product failure at test time. Forecast failure to prevent it sometime before it occurs. recommend...

13 December 2020 3,688 3 View

How to construct complete 3D structure of a protein from two different PDB files containing two separate portions of the same protein?

Suppose, I want to model a protein's structure (containing total of 350 residues) for which there is no complete experimental structure available. However, I got two different PDB files each...

13 November 2020 9,110 3 View

What is the best machine learning algorithm for construction accident data analysis?

Hello everyone! I am actually looking for experts opinion regarding which machine learning algorithm is best suited for construction accident data. Looking forward to getting your wonderful...

04 November 2020 1,046 9 View

Qiagen DNeasy vs QIAquick spin column?

Dear Fellows I wanted to confirm if I can use spin columns of QIAquick PCR purification kits for DNA extraction. We finished our DNeasy columns but still have reagents. And we have extra QIAquick...

03 November 2020 6,960 3 View

Why are variables at 0 lags in the unrestricted ARDL excluded from the short-run error correction model?

When a variable enters the main (i.e. the unrestricted) ARDL at zero (0) lag, it subsequently fails to appear in the short-run error correction model (ECM). Thus, only those variables at 1 or more...

23 October 2020 7,411 2 View

How to reduce number of mesh cells for non-uniform 3D objects?

I want to reduce number of mesh cells in my 3D non uniform model

12 October 2020 9,522 3 View

Is there any minimum limit of outside projections of shell side nozzles of heat exchangers in DNV standards?

Is there any DNV clause for shell side nozzles' projections of shell and tube heat exchanger. I want to keep the outside projection of the shell side inlet and outlet nozzles to 3" with 1" bore on...

29 September 2020 6,880 3 View

Hello, what method/model is suitable for estimating three dependent vars. influenced by other independent vars. in a time series analysis?

The dependent variable (petroleum security) is sub-divided into three categories (oil price, oil supply and oil reserve), and are determined by currency internationalization. So, which...

19 September 2020 8,149 1 View

How can I eliminate discontinuities in the end-effector plot of an industrial manipulator?

I am trying to solve a dynamic problem for a 3 DOF industrial manipulator and I keep getting funny end-effector plots for the first joint (see the figure). I have tried using the alternate...

21 June 2020 7,931 15 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

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01 March 2021 3,905 5 View

Which group formation theory do you recommend for projects that aim to bring together entrepreneurs for training for regional development?

I would like to have ideas about which theories of group formation are suitable for entrepreneurial training projects, with the aim of creating bonds, building trust, and collaboration for...

28 February 2021 4,223 2 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 View

Does RNAiMAX transfection reagent work in serum free medium?

I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...

26 February 2021 10,041 3 View

How do I transfect a large plasmid into PC12 cells with nerve growth factor (NGF) receptor?

I have a large 16 kb plasmid, which I need to transfect into PC12 cells. Lipofectamin 2000 didn't work and with GFP alone the transfection rate is very low. I also tried the neon invitrogen...

25 February 2021 6,635 5 View

How to model Supercritical water gasification (SCWG) process in Homer software?

Hi everyone How to model Supercritical water gasification (SCWG) process in Homer software?

25 February 2021 4,075 1 View

Standard curve shifting over time. How do I stabilise the ELISA?

24 February 2021 1,365 3 View