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

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

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

How can i obtain Parameters of Chinese trunk track irregularity power spectral density function using Matlab?

Please I need explanation on how to determine the parameters (A, B, C, D, E, F, G) of the Chinese trunk track irregularity power spectral density function from experimental data using the...

28 March 2020 8,752 3 View

How to validate ligand parameters ?

I wanted to perform a molecular dynamics simulation of a protein-ligand complex in Gromacs using the CHARMM36 force field. When generating the ligand topology file using CGenFF...

05 March 2020 2,041 6 View

What are the values needed for gabor filter's parameter for cifar10 data?

Hi, I implemented a code to gabor filter cifar10 data but the images after being filtered and stacked are not clear like the original images. I think the problem is in the way I am using the...

03 March 2021 6,317 1 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

No title

01 March 2021 3,905 5 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

How do historians determine the credibility sources in modern history?

For a source to be considered reliable it must contain accurate historical information. But how does one determine the accuracy and reliability of sources in modern and recent history since not...

23 February 2021 1,346 13 View

Three-way robust ANOVA in R?

I am trying to conduct a three-way robust ANOVA in R using the WRS2 package as: t3way(Stem ~ Species*Temperature*Salinity, data = tutto) and there is an error saying : Error in if...

22 February 2021 1,674 8 View

Interpretation of Goodman - Kruskal Gamma squared?

Dear colleages, Eta squared is dominantly used in reflecting the explaining power the same manner as a squared partial correlation coefficient (R2p ) from multiple linear regression: as the...

22 February 2021 7,801 3 View

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

Where I can find materials to learn Fuzzy VIKOR methodology?

Please suggest ways to learn Fuzzy VIKOR methodology in a best possible way. And is there any toolkit available for the same? Thank you in advance.

20 February 2021 8,271 3 View

Which database is the most suitable for checking English bigrams frequency?

Which database is the most suitable for checking English bigrams frequency? We want to assess the frequency of different English graphemes. Most of the databases that we have checked seem to...

18 February 2021 4,565 3 View