Find answers to your questions about Cross Validated or help others by answering their Cross Validated questions.
There are two samples (sufficiently large and independent). One, size $n_1$ has the mean $m_1$ and the standard deviation $s_1$, the other, size $n_2$ with the...
Asked on 11/22/2020
1 answerCan anyone tell me what exactly a cross-validation analysis gives as result?Is it just the average accuracy or does it give any model with parameters tuned? Because, I...
Asked on 11/20/2020 by Sana Sudheer
5 answerI'm having a hard time trying to understand how the dyna Q algorithm works. I put the picture which helps me to understand. My questions are:What planning really means? (it's...
Asked on 11/19/2020 by nolw38
1 answerChapter 7 of Jim Albert's book considers the case of using a hierarchical model, to estimate heart-transplant mortality rates ($lambda_i$) from 94 hospitals, each with it's...
Asked on 11/17/2020 by Maverick Meerkat
0 answerI have a large dataset of 631 people that have been repeatedly measured across five different variables on some continuous parameter. The means (and SDs) for these variables are as...
Asked on 11/17/2020 by DC_Liv
1 answerI urgently need help on interpreting the numbers from a SAS output on Characteristic Roots: The VARMAX Procedure The VARMAX Procedure Roots of AR Characteristic Polynomial Index Real Imaginary Modulus...
Asked on 11/14/2020 by user819749
0 answerI have noticed that PyTorch models perform significantly better when ReLU is used instead of Softplus with Adam as optimiser. How can it happen to be that a non-differentiable function...
Asked on 11/12/2020 by Mike Land
1 answerSo in AAAI 2020 also semi-supervised learning is given the push. There are some intuitive reasoning provided by people but since the research is so fast, I wanted to know...
Asked on 11/12/2020 by Aaryan BHAGAT
0 answerI'm working with 4 nested models using ordinal regression (same sample, n=344, and dependent variable across models). The -2LL for each successive model increases and becomes statistically significant. However, the...
Asked on 11/09/2020 by Monica
0 answerI have an OLS regression with a binary treatment X and a binary moderating variable M, where the regression equation is: $$Y = alpha + beta_1 X +...
Asked on 11/09/2020 by Arun
1 answerGet help from others!
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