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

What is the reason of weight gain in TGA curve of a HDPE polymer sample ?

HDPE samples were aged at higher temperatures in the presence of water and CO2 than the TGA test was performed in Nitrogen? Weight gain is seen in the curve? What could be the possible reason for...

16 January 2021 5,644 2 View

After extraction of essential oils from medicinal plants or plant parts, what are the possible ways to utilize the leftover?

If we extract the essential oil from a medicinal plant i.e., Ajwain seeds by hydro-distillation technique, it will yield about 2-3% essential oil. My question is about the remaining 97-98% portion...

16 December 2020 5,561 6 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

HOMER is used for optimal plant sizing and feasibility study across the globe, the optimal results are reliable?

Currently, solar installment at domestic level is at peak without any feasibility study. I used HOMER for an optimal plant size for green energy generation at community level. Please guide me...

15 November 2020 1,121 8 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 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

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

Can we proceed to perform Two-way Mixed-ANOVA despite normality violations?

While testing assumptions, Shapiro-Wilk Test failed. However, I proceeded with the analysis and the interaction effect was significant. During our course- lectures, it was mentioned that Anova...

24 February 2021 228 3 View

How to run repeated measures in mvabund?

I have a dataset of fish species abundances collected from 6 different habitats over the course of 30 years. Fish were collected multiple times per year and environmental variables were recorded...

21 February 2021 3,838 1 View

Online Shopping Security Survey?

I would appreciate if you answer my DBA research questionnaire. Thank you all in...

10 February 2021 1,990 3 View

Theoretical computer virology ? is still alive ?

HI Everyone! I am asking to know by you, expert in cybersecurity and mathematics, if Computer virology (the one of Cohen and Andler) is still an active field of research. That research made in...

08 February 2021 7,613 6 View

Cell culture compatible glue/sealant?

Hello We are looking for a glue /sealant to fix and secure some glass parts of a live cell imaging chamber. It has to be biologically inert because it may come in contact with the medium, and...

01 February 2021 6,886 3 View

Am I doing the mixed ANOVA right wnen there is many missed values?

01 February 2021 4,695 7 View

I want to simulate a privacy-preserving algorithm in MQTT for IoT devices, but I'm not sure which simulation software is best suited for this?

I want to apply a privacy-preserving algorithm in MQTT for IoT devices. Which tool do you suggest to simulate this algorithm? I want to measure the performance on the IoT battery device? Actually,...

28 January 2021 9,561 3 View