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

OpenBCI eeg--has anyone used them?

I'm looking to try out an off-the-shelf EEG set for some exploratory work. Curious if anyone has used the OpenBCI, and how much set-up work is required. I've heard they are more difficult to get...

01 March 2021 4,128 3 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

Your thoughts on the spherical densiometer to estimate relative species canopy cover?

Hi biologists and biogeomorphologists, I want to characterize vegetation plots on a transect that follows a successionnal gradient from a river bed to a mature forest. Ecologically, I am...

26 February 2021 5,720 2 View

How to minimise the risk of being abused the profile of potential participants tagged in a social media post?

Dear colleagues, I got this one in one project I did ethics review. It's great to hear about your thoughts/experiences. "Doing an open recruitment online (i.e., via Facebook) requires public...

22 February 2021 3,322 3 View

What are the factors responsible for non uniform decrease in corrosion rate?

I am working on the corrosive effect of food condiments juices on some selected metals using weight loss experiment. But while plotting the graph, I found out that the decrease in corrosion rate...

21 January 2021 6,688 4 View

What can possibly cause only negative droplet generation in ddPCR reaction?

Dear all, I have started experiment with ddPCR using previously established protocol on methylation analysis. However, my first run did not work well. I could only see a negative droplets in all...

05 January 2021 8,575 2 View

Spatial Panel Diagnostic Test?

Hello Colleagues Trust you are all fine, Please I have been struggling for days on estimating some spatial diagnostic test on my model. The stata command I am using is spatdiag command. I am...

04 January 2021 3,919 1 View

How to analyse tga curve, when weight loss is not matching with constituents present in structure?

In TGA curve I am getting 2 step decomposition in which the 1st one coming around 185 to 195 degree centigrade. The weight loss calculated is not matching with the constituent present. Its a metal...

20 November 2020 714 5 View

What are the most challenging tasks in leading a higher-educational institution?

I would like to hear from your experience regarding the question above in leading whether a faculty or the whole institution, and how you face those challenges. My purpose is to learn new...

06 November 2020 958 6 View

How can we significantly speed up international climate action?

05 November 2020 8,779 5 View