What is are the different classifications of a tool changer?

I have roamed the internet trying to see the different types of tool changers available but I found no definitive answers, could you kindly help me?

02 February 2021 5,036 1 View

How to calculate covariance of Expectation Maximization Clustering?

I am working with MatLab R2017a, I have to implement EM clustering. But I am stuck with initialization of covariance in it. I have to calculate covariance using the dataset which is comprised of...

25 December 2020 4,620 3 View

MatLab code for Expected Maximization clustering of n-Dimensional data?

I need matlab code for expected maximization clustering of n-Dimensional data. I have searched and found code related to 1-D and 2-D. Can someone refer the code for n-D .

22 December 2020 5,110 3 View

Where can I find papers related to microstructure of inconel alloy 800?

I need to define the microstructure of inconel 800, but I cannot find any literature related to it. Literature is about incoloy 800 mostly which is a bit different. Can anyone tell me if there...

07 December 2020 3,137 3 View

Which software application is best for Anova analysis?

I want to perform "ANOVA" analysis of three different vegetation indices. anyone know how can i perform and which application /software are suitable for this. Thank you in advance.

16 November 2020 2,599 4 View

How can I specify the parameters for nano creep?

Which parameters should I employ for nano creep testing of Titanium and Inconel alloys? Should I load it with a constant load rate or strain rate? What should be the maximum load? What should be...

29 October 2020 5,727 4 View

How to find the elastic work using nanoindentation load depth curves?

I am using work of indentation approach to find out the values of hardness of Ti and Inconel alloys using nanoindentation load-depth curves. I can find the formula for total work. Whereas for...

13 October 2020 2,778 5 View

How to measure the volume of hydrogel?

08 October 2020 2,745 9 View

Why nickel oxide nanoparticles do not have single band gap?

band gap for nickel oxide nanoparticles is 3.85 to 3.45 eV

23 September 2020 260 4 View

How to Determine LD50 of a test compound by Lorke's Method if your mice (mus musculus) dies at the lowest concetration i.e. 10mg/kg?

I have used Lorke's method of determining LD50 of my test drug. The lowest dose according to this method is 10mg/kg and my mice died at this dose within the 30 minutes of IP injection. Does that...

22 September 2020 9,959 3 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

How to evaluate unsupervised clustering metrics when some elements do not have a cluster label in the result?

I run algorithms like HDBSCAN and MeanShift, and compare them with K-means and GaussianMixture. The first two algorithms do not return cluster labels for some elements in the dataset. My question...

27 February 2021 428 3 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

Has anyone had luck using cell lines other than HEK 293 (such as COS1) to package lentivirus?

I am looking to package lentivirus in endothelial cells but I am opposed to using 293 cells due to personal ethics regarding the source. I have done some reading and saw that COS1, COS7, & CHO...

25 February 2021 3,030 1 View

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25 February 2021 5,713 1 View

Implementation of chance-constrained optimization problem via scenario approach?

23 February 2021 7,826 2 View

Fictitious Boundary Meshing Method (FBM) in Commercial FEA software?

Is it possible to implement FBM in a commercial FEA software package, such as FEMLAB, COMSOL, or open source software like Moose?

22 February 2021 2,968 1 View

Are there packages (R or Python) for simple models (bucket?) to assess soil water content?

Hi everyone. I am researching droguht effects on soil water drought. I am looking for already implemented functions in R or Python to estimate soil water content from precipitation,...

21 February 2021 2,084 1 View

What should a smart water system look like?

Our team is designing a smart water C&C dashboard for a smart city initiative. As we look into the current smart water system landscape, we couldn't reconcile to a definitive solution that...

16 February 2021 1,094 3 View

How reliable are degrees of freedom for lme mixed models in nmle package?

I am running mixed models analyses because I have participants nested in groups. Across the different analyses, I have very different degrees of freedom in the lme output with nlme package (and...

09 February 2021 6,767 3 View