How to express accuracy of the neural network where the dataset has not been split into two, training set and test set?

In use, the weights obtained are considered with the greatest accuracy when the data set is divided, because the weights are initialized at random and the training data is swapped at random...

19 January 2021 5,714 4 View

The loss of hyperbolicity in PDE?

Question about the loss of hyperbolicity in nonlinear PDE: when complex eigenvalues appear, what is the effect on flow? I understand that we do not have general results on existence in this case,...

16 December 2020 2,571 3 View

Books on doing a PhD?

Hi colleagues, I wondered if any of you could recommend a book for a student starting out on her PhD. Her subject area is: health, education, training and child...

07 December 2020 549 4 View

Why do I receive the sae mesage several times?

26 October 2020 409 1 View

Is there a method to completely remove OCT from frozen tissue?

I am trying to remove OCT from frozen tissue for DNA/RNA sequencing. My goal is to remove a portion of tissue from the OCT embedded tissue, without thawing or greatly disturbing the remaining...

24 June 2020 1,715 1 View

How to escape local minimum in the training of Convolutional Neural Network?

I am trying to train CIFAR10 dataset on CIFAR10 architecture on MATCONVNET without gpu but my objective function is not decreasing down to 1,665. What may be parameters to tune while considering...

16 June 2020 4,700 8 View

Can distributed intelligence substitute for a lack of ethics?

In the trust economy, ethics becomes a scare resource. To what extend will technology be able to step in and fill this gap? Distributed Cognition and Distributed Morality: Agency, Arti...

03 January 2020 9,711 3 View

What type of water should I use in viral DNA extractions?

I am attempting to set up a QC laboratory to test viral samples isolated from insects. The test will include gel electrophoresis and qPCR analysis. What I want to know is what type of water should...

16 December 2019 683 5 View

Where are the good exposures at the Ditrau Massive in Transylvania, Romania? (Could you give a global grid reference?)?

I am a third year geology student at the University of Edinburgh, School of GeoSciences. This summer I will be working on my dissertation mapping on the Ditrau massive. I have a mapping partner. I...

26 March 2018 9,838 3 View

Unequal error variances in two-way ANOVA?

Using SPSS, N=297. The Levene's statistic is very significant at p

16 August 2017 6,365 3 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

No title

25 February 2021 5,713 1 View

Are there any open-source datasets containing physiological information about exercises to be used for an OR-model?

I have just recently started a new "weekend project" in addition to my master's studies and I am looking for a data-set. I would like to use some Operations Research to design an optimal gym...

22 February 2021 8,023 1 View

How can we determine the band gap of a composite material that is made up of a composition of direct and indirect band gap semiconductor materials?

I have a direct band gap material and an indirect band gap material. If I made a composite of both through physical mixing. Then how can I determine the band gap of such a material as the Tauc...

17 February 2021 8,104 4 View

How do I prepare and store insect samples for JH measurements?

I need to preserve termite samples for future quantification of juvenile hormone in their bodies. Or extract the Juvenile Hormone and keep that samples stored for future quantification. I may need...

09 February 2021 1,995 1 View

How to model Type 1 collagen structure for finite element analysis ?

I have started a project in which stress distribution in Type 1-collagen scaffold is to be modelled. I am thinking of using finite element analysis to model the structure and the loading...

07 February 2021 5,487 3 View

Is there any publication about the effect of basketball and volleyball on body height?

Many people believe that some stretching sports with vertical jump such as basketball and volleyball can increase the body height. On the other hand, others do not agree with this argument. The...

02 February 2021 281 6 View

Does the pre-synaptic neuron location in a cortical map influences the spatial position of its synapses in the dendrite of the downstream neuron?

Are functional maps in the cortex used by the brain to carry out computations or are they just a byproduct of wiring minimization? A key element to answer this question is to know if, when...

26 January 2021 1,118 8 View

What steps should one take to address post-harvest disease problems in a supply chain?

If I were to receive an import of a new fruit species in the country and, upon arrival, the whole lot was diseased, what steps do I take to diagnose and solve the problem? Is there a general...

10 January 2021 1,649 7 View

Why does Reaction Wood acts opposite in gymnosperm and angiosperms?

I am wondering why the Gymnosperms have an opposite behaviour that Angiosperms in the Reaction Wood (RW). Are there some new findings regarding that? Studies say that causal agents can be the...

10 January 2021 8,744 4 View