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Cross Validated : Recent Questions and Answers (Page 84)

Find answers to your questions about Cross Validated or help others by answering their Cross Validated questions.

Looking for feedback on my approach to split data into validation and test set?

I want to perform a novelty detection using one-class svm (ocsvm) to detect network attacks. I want to know how to split my dataset into validation and test set. The...

Asked on 09/22/2020 by s_am

0 answer

How to set up first differences model?

I am new to R and only know the very basics. Currently I am trying to estimate a model which is very simple, but I have problems thinking about how...

Asked on 09/21/2020 by Fabio

1 answer

Precision and recall for clustering?

Im confused about calculating precision and recall for clustering mentioned in this paper, Model-based Overlapping Clustering, A Banerjee et al., (last paragraph of column 1 on page 5)....

Asked on 09/20/2020 by Learner

3 answer

Mixed Effects Model

Sorry for asking my question even though I know there are some subjects about mixed effect model on the forum. But I think my question is somewhat different.I have...

Asked on 09/20/2020 by Seydou GORO

1 answer

Which Regression scoring to use when have small dataset?

I am currently working on a Elastic-net regression assignment. The problem is I only have 40 training examples and I have to use 4 fold Gridsearchcv for hyper-parameter tuning. I...

Asked on 09/19/2020 by user293111

0 answer

Is my logistic regression model correct?

I have a factorial design 2*2 (A and B). Both variables with two responses high (coded as 1) and low (coded as 0) and I have a response variable ...

Asked on 09/15/2020 by Mustapha Hakkou Asz

2 answer

Gibbs entropy and Shannon entropy

The two formulations seem identical to me:$H(x) = sum p(x) log(1/p(x))$why would the equation be attributed to Shannon rather than Gibbs (in the context of information)?...

Asked on 09/14/2020 by Alhayer

0 answer

Why small values produce undulating densities when ploting logarithm of a loguniform prior (in R)?

I am using a program that draws random values in a log-uniform distribution let say between 1 and 100.When I plot the density of the produced values with R...

Asked on 09/13/2020 by Prolix

1 answer

Seasonality in data

I have two monthly series - number of people employed and number of people unemployed. Both the series are not seasonal candidates, i.e., they don't have seasonality. I also have...

Asked on 09/12/2020 by Madhur Mehta

1 answer

Can we maximize the log of the odds instead of log of the probability?

As above. This question relates to all optimization formulations in statistics....

Asked on 09/09/2020

1 answer

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