Jupyter notebooks and visualization are natural marriage. It is more fun if we can skew this or that a bit by turning a knob or selecting something from a drop down. This is where so called interactive widgets come to play. There are a lot of examples on how to...
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Lagrangians and Portfolio Optimization
A portfolio optimization problem in Markowitz style looks like the following
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htop cheatsheet
htop is useful and bring forth very rich information on one screen. Here is the cheatsheet to understand it:
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Correct ways of deploying NFSv4
NFS is old. Its root can trace back to the remote file system in System V R3 while the first release of NFS (version 2) is in 1985 on SunOS 2.0. It must not be considered as a counterpart of Samba or CIFS, since NFS does not do user authentication...
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Threshold linear regression
Threshold regression means to do regression separately in different segments, as separated by some threshold. Take linear models as example, we have a response variable \(y\) and predictors \(X\), and additionally, we have a discriminator \(q\), which may be derived from \(X\), and set of transition functions \(g_i\). The model...
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