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I have two questions about how to specify random effects structures in mgcv using bam. I'm using bam because I have a large data set (~15,000 data points) that consists...
Asked on 01/01/2022 by wdnsd
1 answerIf I use lagged values ($k, k geq 2$) as instruments to estimate an $AR(1)$ model (to take into account that the lagged value is endogenous),there's the...
Asked on 01/01/2022 by Federico Tedeschi
0 answerI want to compare success rates across a large number of different levels within a third factor to detect if there are statistically significant differences for at least one of...
Asked on 01/01/2022 by Brad Davis
0 answerMy situation is as follows: I have built a 2-level Plackett-Burman design with 10 factors (some are actual 0/1-variables, the others are numeric and I used the minimum and the...
Asked on 01/01/2022 by NoThanks93330
1 answerI would like to understand the difference between Root Mean Squared Error and the Standard Prediction Error. The SEP formula is simillar to the RMSE, but with an aditional term...
Asked on 01/01/2022 by Tiago Dias
1 answerMy question boils down to this : Which optimizer should I use to train my neural network. I understand this question depends on the problem. However, for instance it seems...
Asked on 01/01/2022 by White
1 answerI am performing multiple linear regression to predict a score (dependent variable) from multiple categorical variables. My dependent variable has skewed distribution with a large number of zero values but...
Asked on 01/01/2022 by CBGodbole
1 answerI am learning about ridge regression. I was under the impression that ridge regression is valuable because it provides better out of sample predictive accuracy than standard linear models. For...
Asked on 01/01/2022 by andy_dorsey
1 answerAre there non-hypothesis testing uses for Student's t statistic?...
Asked on 01/01/2022
2 answerI am new to survival analysis. Below is my data with very unbalanced sample size (treat group has 2 samples with 1 event, 1 censored and control group has 700+...
Asked on 12/29/2021 by Jessi
2 answerGet help from others!
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