Find answers to your questions about Cross Validated or help others by answering their Cross Validated questions.
I am looking to determine the significant of a parameter in a negative binomial distributed glm to determine if origin (either isolate or free) is important in the model:mnegbin1...
Asked on 11/02/2021 by Lamma
1 answerI have performed logistic regression (using 'LOGIT') on variables from titanic dataset. The formula used is:survived ~ age + sex + pclassI have obtained results as...
Asked on 11/02/2021
1 answerFirst of all I apologize without the question is very basic, I am taking my first steps in data science, statistics and bioinformatics.Data informationWe are evaluating the correlation (using the...
Asked on 11/02/2021
1 answerI have a dataset where a test (a continuous variable) is administered every 3 months for 2 years for most of the participants (approx 25% have one or two missing...
Asked on 11/02/2021
1 answerGiven that our loss function is $alpha$ strongly convex function which means $mbox(nabla f(mathbf{x})-nabla f(mathbf{y}))^{T}(mathbf{x}-mathbf{y})geq alpha||mathbf{x}-mathbf{y}||_{2}^{2} $ we know the Online gradient descent algorithm can get$Clog(T))/alpha$ for some...
Asked on 11/02/2021 by Raba Poco
1 answerConsider a time series: $X_1,X_2,...X_{n-1},X_n$ This series can also be written as a function of time $X(t)$, so that: $X_1,X_2,...X_{n-1},X_n = X(t_1),X(t_2),...X(t_{n-1}),X(t_n)$ Most forecasting methods, such...
Asked on 11/02/2021 by Skander H.
3 answerI'm trying to sample from the posterior distribution of a GAM fit with mgcv in R. While the model is fit with maximum likelihood, posteriors can be recovered. A good...
Asked on 11/02/2021 by Caseyy
1 answerI can implement a rather complicated mixed ANOVA in R with the aov{stats} or the lmer{lme4} functions, but not with the anova_test{rstatix} nor the Anova{car} functions. My question follows: How...
Asked on 11/02/2021 by Joe Wright
1 answerI haven't come across a real world application of autoencoders before. Usually, for dimensionality reduction I've used PCA or random projections instead. Most examples I've come across of using autoencoders...
Asked on 11/02/2021 by dmh
4 answerI have data about investment preferences 1 year before the Covid and during the Covid lockdown. Some changes appear using simple T-Test. I want to be able to assess if...
Asked on 11/02/2021 by L. M.
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