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As a referee to our f1000 article notes:
> There is a historical context that Ankenbrand et al. miss in discussing biom-format and subsequently imply that the biom-format is more widely adopted than …
iimog updated
7 years ago
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**eric.markowitz** ([Bug 60830](https://bz.apache.org/bugzilla//show_bug.cgi?id=60830&redirect=false)):
The java.text.SimpleDateFormatter class is not thread safe, but jmeter reuses a SimpleDateFormat…
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Hi,
While I am reading thru the codes, I found the optimization method in CORN algo a bit confusing:
`
def optimal_weights(self, X):
X = np.mat(X)
n,m = X.shape
…
sym44 updated
7 years ago
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Hello! I am trying to employ genetic algorithms to optimize Markowitz's 'Portfolio Optimization model'. Each individual is a set of weights corresponding to the weight of a stock in a portfolio. There…
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I post the code below. It is the same appeared in the introduction of pysystemtrade.
-------------------------------------------------------------------------------------------
```
# coding: ut…
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I tried to run it on some data from cplex on regions200.
The stdout output looks reasonable -- except the last flip:
```
INFO:Ablation:Round 0 winner(s): (['lpmethod'], -12.8369)
INFO:Ablation:…
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# 吉仁泽
格尔德·吉仁泽(Gerd Gigerenzer,1947.9.3-)是德国最有影响力的心理学家。自从1995年领导德国人类马普研究所适应行为和认知中心后,组织来自心理学、经济学、生物学、数学、计算机科学等领域的研究者对人类的认知和适应性行为进行系统研究。他的主要研究方向是人类思考和决策的模型,研究着重在有限理性、生态理性和社会理性的理论探讨和实验考证,决策和判断的启发式,以及社会科学…
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BEAST v1.8.4, 2002-2016
Bayesian Evolutionary Analysis Sampling Trees
Designed and developed by
Alexei J. Drummond, Andrew Rambaut and Marc A. Suchard…
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hi there,
Below test case is failed, could you please have a check?
Attached is an reference document to design the test case. FYI.
Regards,
Edward
[portfolioTheoryMatrix.pdf](https://github.com/…
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Robert, running the script below gives me an error. Full trace is attached. Thanks. -Zhen
```
from systems.account import Account
my_account = Account()
## let's use naive markowitz to get mor…