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I am trying to model vegetation spectral signatures (grey lines) using a two-part piecewise function (black dotted lines). In it, I am trying to use only a few points (red...
Asked on 11/06/2021
1 answerIf I have a linear model of the form: $$x_i = beta y_i + alpha + epsilon_i$$ where $epsilon_i$ are samples from $epsilon$, an independent and identically...
Asked on 11/06/2021 by chasmani
1 answerI have the following question: Let $X_1,dots,X_n$ be independent, identically distributed random variables with$$P(X_i=1)=theta = 1-P(X_i=0)$$ where $theta$ is an unknown parameter, $0<theta<1$,...
Asked on 11/06/2021 by Probability-Stats-Optimisation
3 answerOn the Wikipedia page for maximum likelihood estimation, there are a set of four conditions listed for the consistency of the maximum likelihood estimator. I had...
Asked on 11/06/2021
0 answerI want to check that the endogeneity of a treatment variable gets eliminated by conditioning on a set of control variables, but I am not entirely sure on how to...
Asked on 11/06/2021 by Stefano Testoni
2 answerI am working on a project with the following characteristics:4,000 hydroelectricity generation time series800 futures time series (each corresponding to at least one hydroelectricity time series)Each of the above is...
Asked on 11/06/2021
0 answerI've been thinking lately about connecting permutation tests with testing for significance of a variable. Consider the following (very simple) example: Suppose we want to consider the following linear model:...
Asked on 11/06/2021
0 answerI work at an ad agency and one of our key performance metrics is what we call "cost per outcome". Right now I have advertisements grouped by type of advertisement,...
Asked on 11/06/2021 by Keith Siopes
1 answerIn a recent question it came out that I needed to calculate the sample distribution of $dfrac{Cov(XY,X)}{Var(X)}$ where the distributions of $X$ and $Y$ are known....
Asked on 11/06/2021
0 answerI have a sequence of $N$ binary values (+ and -). At $t=0$, all values are minuses (-)t=0: ----------------------------Over time, segments of various sizes of this sequence...
Asked on 11/06/2021
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