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# Goal
As a developer, I want to add features to the existing machine learning model (XGBoost), so that I can develop a more accurate machine learning model.
# Consider
1. Consider using Cryptocurr…
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Trying to work out equation 6 from [CNSF paper](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5543413/).
$$W^{(k+1)} = \textrm{arg min}_W || \bar{S} - (\bar{Z} \times_v W) \circledast \bar{F}^{(k)}…
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I need to fit data points with errors in both variables. Does a "weighted" version of this algorithm exist? Would it be viable to implement it? I've spent hours searching for an implementation of some…
cshaa updated
6 years ago
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https://arxiv.org/pdf/1607.06215.pdf
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All PRs and attempts to add general nonlinear model (not with link, single index) have stalled so far.
(I was looking again at outlier robust estimation of nonlinear mean functions `y = f(x, theta) +…
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Hi, everyone
So sorry to post this under Issues, I can't enter google account and mailing list.
I'm new in python. I have a task to fit many 1D profile(about 10000 profiles) obtained from electron…
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Below I generate a square matrix with rank lower than its size, but np.linalg.inv does not throw an error as expected (because said matrix is singular)
### Reproducing code example:
import numpy…
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So a couple things that came up in our meetings were:
- That time-course data would be very useful
- What new algorithms may have corrected the problems in SPADE?
I just found a paper with time-cours…
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http://ideas.repec.org/c/boc/bocode/s456865.html
used by ivreg for underidentification tests
I guess it should also be useful for sysreg
Johansen's cointegration test is also a test for matrix rank,…
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I'm getting a `PosDefException: matrix is not positive definite; Cholesky factorization failed` when doing a simple `lm(@formula(y ~ x), df)` when the range of `x` and `y` values is tiny compared to t…