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**Original reporter**: _pumpkingod@_
It would be nice to be able to annotate certain functions with their time (maybe even space, if appropriate) complexity, and to have it appear in a distinctive pl…
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see also #4046
random notes because results are all over the literature, and it's often difficult to find a specific item
- multivariate copulas, formulas for Frank, Gumbel and Cook-Johnson
S…
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http://stackoverflow.com/questions/33944914/implimentation-of-e-test-for-poisson-in-python/34013250#34013250
We can compare rates (positive but not smaller than one) of two samples similar to two sam…
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Using ranked data in regression or standard hypothesis tests is close to their rank based counterparts in hypothesis tests.
example in ` statsmodels.sandbox.stats.multicomp.MultiComparison` I had a…
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Add non-negative least squares to statsmodels.
There is currently an implementation in scipy (http://docs.scipy.org/doc/scipy/reference/generated/scipy.optimize.nnls.html)
see also #1382
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(I ran into this now 3,4 times in the last months for different applications. I might have some experiments from years ago.)
For QMLE or estimating equations or GMM under mis- or incompletely speci…
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```python3
x = Symbol('x')
plot(tan(x))
```
![image](https://user-images.githubusercontent.com/34944973/73118503-5f058e80-3f98-11ea-81e7-b4152cd3d8d6.png)
```python3
x = Symbol('x')
plot(tan(…
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The idea is to leverage QTAIM technology to get the number of nodes in orbitals.
This is complicated (more than I thought) as pointed out by @FarnazH . So this is mostly storage of an ideas/discuss…
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### Describe the issue linked to the documentation
The [documentation for SGDClassifier](https://scikit-learn.org/stable/modules/sgd.html#sgd) says that with `learning_rate='optimal'` the initial lea…
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(back to econometrics)
#1742 ivpoisson, GMMPoisson
control function approach with linear function for endogenous regressor doesn't look so scary.
https://stats.stackexchange.com/questions/28184…