Mahdieh Askarian

5 Questions 15 Answers 0 Followers

Questions related from Mahdieh Askarian

What is the difference between statistics and parameters of a distribution?

assume that 100 samples with Gaussian distribution. After fitting the model, mean and variance estimated as parameters of the distribusion. Then what is statistics for this dataset? What is the...

29 August 2014 4,287 9 View

What is the meaning of 'sufficient statistics'?

'Since the softmax distribution is not in the exponential family, it does not have finitesufficient statistics.' I cant understand what the concept of above statement is. Do you have any...

28 August 2014 1,929 9 View

For classification (fault diagnosis), what is the advantage of Bayesian Network vs. Naive Bay classifier?

Naive Bayesian classifier have just two layers, one for Faults and the other for Symptoms. But, some researcher use Bayesian Network for classification such as the attachment. On the other hand,...

18 August 2014 9,533 6 View

How can I discriminate two signals (time series)?

In addition to mean and variance, what statistics can I use to for discrimination of two signals? I want to determine which signals are more similar to each other and which signals are too different

13 August 2014 1,629 17 View

How PCA is applied for fault diagnosis? what is the concept of contribution chart in this regard?

I know that fault detection is based on T-squared and Q. But, for fault diagnosis some publications represent the contribution chart for fault diagnosis. I suppose that by eliminating variables...

05 August 2014 3,741 4 View