CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

Why its is important the connection between wavelets and filter banks?

If multirate filter banks have been used by engeeniers before wavelets theory, why it is important and useful to know that those filter banks correspond to wavelet functions?

11 May 2020 5,895 2 View

How to teach discrete wavelet theory for undergeaduate computer scientist?

I wondering if you know texts, guides or any didactical advice that can help is to teach discrete wavelet theory to undergeaduate computer scientist

11 May 2020 3,458 3 View

Description/diagnosis vs. holotype?

The Shenzen Code in his several articles treats the way botanists should move around nomenclature. It is interesting to read all the several examples that the Code brings for each case. However,...

22 January 2020 4,817 6 View

Which are the best methods to artificially increase the size of numeric datasets ?

Hi, I'm writing a paper about Data Augmentation and I'm looking for some way of increasing the size of a dataset. I'm already aware of the techniques used for images (transformations, PCA,...

06 June 2019 8,206 6 View

Factor analysis pattern matrix value < .3 how do you interpret items that dont load 2 any factors?

If running a Factor analysis (principal axis) requesting 6 factors and suppressing value < .3 how do you interpret items that don't load onto any factors in the pattern matrix? Is this simply...

02 April 2019 4,165 2 View

What is a good digital microscope/borescope, compatible with a smartphone?

I wish to purchase a smartphone-compatible microscope, primarily for counting scales on small lizards, identifying invertebrates etc. A low magnification capability (e.g. 5 or 10x) is more...

30 December 2018 2,765 4 View

CaDA approach to zinc ions in GROMACS - technical problems?

Recently I've tried to use the following...

20 August 2018 3,321 2 View

How can I calculate light intensity at the focal plane of an objective?

I have a fluorescent light source and an objective lens and would like to measure the light intensity at the focal plane. I can measure the light intensity at a different position but need to...

01 April 2018 8,003 4 View

Final reaction volume of test tubes?

20 February 2018 9,188 5 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Is there any research regarding how training and development is going to change in the era of Fourth Industrial Revolution?

As the organizations getting prepared for the fourth industrial revolution, to enhance the skills of their workforce what type of changes are necessary and going to occur in the training and...

01 March 2021 3,199 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

Satellite orbit estimation using Recurrent Neural Network - what should I use?

Hello, I am a master's student studying in Yonsei Univeristy, Korea. I am trying to estimate the state of satellite, using Neural Network. Below is a simple flow of my study. 1. Train (t0 ~ t1)...

23 February 2021 6,383 3 View

Can the problems of overfitting be solved without cross validation?

For an overfit data set the cross validation error will be much bigger than the training error. Is it true or false?

23 February 2021 3,616 2 View

How to assure whether a regression tree overfit or not by seeing bias-variance value of the model?

Lets consider a regression tree in which variance is 1.1065*e-10 and bias is 2.962e-13. Also the model RMSE on training set is 1.5e-5 and on training set is 1.2950e-5. Is the model is overfit or...

22 February 2021 7,755 2 View

In Machine Learning, isn't the problem Out-of-Distribution (OOD) instances really a form of over training?

If (1) the over training manifests itself in failure against instances that are new or excluded from the training set, and if (2) OOD instances are problematic because they are new and by...

18 February 2021 4,839 2 View

Any methods to train a neural network with random (stochastic) and non-measurable variable?

Dear scholars, I was wondering if there are any scientific methods to train a neural network or ANFIS when one of the input variables is stochastic (random) and more importantly non-measurable?...

17 February 2021 1,909 3 View

Can we Use a Dataset having no captions to train an image captioning model?

Actually I want to train a medical image captioning model but the dataset on which I want to train this model does not have captions/reports for the images. So can we use such dataset to train an...

14 February 2021 7,021 2 View

How can I check similarity between two signatures?

I want to train a model that should predict if a given signature is a genuine or a forged one. The model should take two images as input. One is the real signature, and the other is to be...

11 February 2021 4,436 3 View