Nikolaos Bismpikos

3 Questions 7 Answers 0 Followers

Questions related from Nikolaos Bismpikos

LASSO/LARS regression Matlab Implementation. Why is the MSE error provided by Lasso 2-3 orders of magnitude different than the actual MSE?

I use lasso to perform regularized regression on the weights of the output layer of an ELM. [OutputWeight FitInfo] = lasso(H',T','Lambda',[2 1 0.5 0.3],'Alpha',0.1);[minMSE, minLidx] =...

13 July 2016 9,066 3 View

What is optimal normalization range and weight range for a ANN with sigmoid activation function?

Let's assume we have a standard feedforward ANN with just a single hidden layer. It is standard practice to normalize the input data ,usually in [0,1] or [-1,1]. Let's assume min-max...

08 June 2016 5,552 12 View

Can Bayesian networks model non-linear dependence between nodes/random variables?

Hi, I am a bit confused on whether bayesian networks can model non-linear dependence between nodes/random variables, since I have read some controversial information in...

28 May 2016 9,199 4 View