Questions tagged [regression]

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Fast solvers for LASSO-type non-convex optimization problems

Given $y \in \mathbb{R}^{n \times 1}, X \in \mathbb{R}^{n \times p}$, $p > n$, assume a LASSO-type optimization problem in the form of $$ \hat\beta=\underset{\beta}{\operatorname{argmin}}\frac{1}{2}...
runr's user avatar
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Tanaka's Fuzzy House Price Problem

I would like to understand and solve Tanaka's fuzzy house price problem (Table III). Unfortunately I couldn't able to build the problem structure and restrictions here (according to (19)). Anyone have ...
maninthemirror's user avatar
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non-linear regression analysis using a floor function over the independent variable?

I have created a data set to understand better an equation and apply it to predict behavior. The equation is y = 10/(1+k*⌊((x/t)^s)⌋). To create the data set and see if it is working properly, I did ...
Juan Pablo Molano Gallardo's user avatar