Find answers to your questions about Cross Validated or help others by answering their Cross Validated questions.
I have 20 predictors and I am attempting to find several candidate models to then test. I am using the LassoCV library, my following code provides me with the alpha...
Asked on 12/16/2020 by Jlearner
1 answerI have created a Markov-Switching GARCH model, where the volatility is defined to be switching between two different GARCH(1,1) processes. The data is assumed to have zero mean, where the...
Asked on 12/16/2020 by ber08
1 answerI have a 2x2x2x2 design, which I wish to balance. Previously, the binary factors appeared throughout the experiment with a 50% probability, which each have to result in a uniform...
Asked on 12/16/2020 by noumenal
0 answerI am reading a field biology manual that is directing me to do a power analysis, and I find the phrasing very confusing. It says: Determine sampling requirement to be...
Asked on 12/15/2020 by EmmettCC
1 answerI have taken a course in regression analysis. I learned that the equation $beta =(X'X)^{-1}X'y$ can be used to find the weights in a linear model. When learning about...
Asked on 12/15/2020 by Suzee
1 answerIf we have a dataset $X= {x_1,x_2,....,x_n}$ where all the datapoints are in $d-$dimensional feature space and there are $2$ classes $c_1$ and $c_2$ for...
Asked on 12/15/2020
0 answerI have a long list of DNA strings (of equal length) made of 4 letters (A,T,G,C). I want to do a binary classification on the strings. I have two basic...
Asked on 12/14/2020 by bandit_king28
1 answerDespite having seen these terms 502847894789 times, I cannot for the life of me remember the difference between sensitivity, specificity, precision, accuracy, and recall. They're pretty simple concepts, but...
Asked on 12/13/2020 by Jessica
9 answerSay I have a binary response variable, Y, that I model using a logistic model with four predictors, A, B, C and D. To make matters concrete, imagine that Y...
Asked on 12/13/2020 by kh_one
1 answerI'm currently trying to identify how to evaluate model fit with Bayesian SEM. I've been reading that the posterior predictive p-value can be used, with a p-value of approximately 0.5...
Asked on 12/13/2020 by L.sicilis
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