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Hi, what does the "u" means in the following code snippets? It seems that the "u" is not defined in the code? Thanks!
huber_loss = 0.5 * u.abs().clamp(min=0.0, max=k).pow(2)
huber_loss += k *…
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Hi guys!
As distributional analysis is becoming more common in development economics and in policy evaluation in general (see, e.g., http://documents.worldbank.org/curated/en/292901499351272899/Dis…
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First, hands down, amazing work. Serving as a baseline, I see a possible improvement, if someone wants to implement it:
- The n-step return, as it is, is biased (as you are using old off-policy sam…
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In [Distributional Reinforcement Learning with Quantile Regression](https://arxiv.org/pdf/1710.10044.pdf), they propose a testing environment where wind is added to the environment to make a gridworld…
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Nice package, I have been looking for methods for heteroskedastic distribution prediction! (see https://github.com/sktime/skpro/issues/7)
More generally, I think `rolch` would fit the scope of skpr…
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- Matern covariance functions for GP effects / trends
- 2d FFT GPs (or even 1d) for complex but stationary GP effects (https://arxiv.org/pdf/2301.08836.pdf)
- Multivariate normal observation models
…
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(semi-random ideas, while thinking about robust or quantile regression)
objective:
find inlier `exog` observations so we can identify outliers that are possibly influential observations. If we downwe…
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Submitting Author Name: Steven P. Sanderson II, MPH
Submitting Author Github Handle: @spsanderson
Other Package Authors Github handles: None
Repository: https://github.com/spsanderson/TidyDens…
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This issue is drawn from conversation with @zsusswein and @SamuelBrand1 at https://github.com/cdcent/cfa-parameter-estimates/issues/22.
## Topline
* We could look to add new models to estimate d…
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possible target for 0.14: censored regression models, and self selection
two PRs
- #7637 Tobit with right and left censoring
- #7636 heckman selection model
censoring will be conceptually ea…