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I have seen papers at the US level where they include county fixed effects, and state-by-year fixed effects, i.e.: $y_{c,t}$ = $beta$$x_{c,t}$ + $lambda_c$ + $mu_{s,t}$...
Asked on 11/02/2021
1 answerI am fuzzy on the distinctions between sampling strata and sampling clusters. Both seem to aim at designs aiming at creating useful estimates of between/within group (strata, cluster) variation, and...
Asked on 11/02/2021
5 answerSay, I have a Poisson process which was measured $N$ times, and each measurement produced $k_i$ value.Also, $k_i$ are events that I have to detect and...
Asked on 11/02/2021 by Gideon Kogan
1 answerI am looking at time-series event data and need to visualize how the arrival rate $lambda$ changes over time. I do not want to assume any underlying distribution that...
Asked on 11/02/2021 by eithompson
1 answerSuppose I have the following model: $$Y = mu + epsilon = Xbeta + epsilon,$$ where $Y$ is $n times 1$, $X$ is $n times...
Asked on 11/02/2021
1 answerThis is a cross post of a question i posted several months ago here on a different forum. I am trying to understand how variable importance is...
Asked on 11/02/2021
0 answerAssume that we have taken independent random samples of several individuals from 5 locations that represent 5 populations. The design is fairly unbalanced: the number of individuals sampled from each...
Asked on 11/02/2021
1 answerCan someone please explain how to read the unconfoundedness assumption. I'm unable to understand the symbols specifically the upside down "T"....
Asked on 11/02/2021 by Parth Wadhawan
1 answerI usually see a discussion of the following loss functions in the context of the following types of problems:Cross entropy loss (KL divergence) for classification problemsMSE for regression problemsHowever, my...
Asked on 11/02/2021
2 answerTo better understand Logistic Regression and why it is called regression still, I was reading about Generalized Linear Models on Wikipedia, and I came across the below statement:"The GLM...
Asked on 11/02/2021 by Kurtis Pykes
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