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Category: Python

Coding / Introduction / Passwords / Python / Python

Guessing Passwords using an LSTM Network

Introduction A while ago I applied NLP strategies to implement an algorithm that is capable to guess a password. Since then a new method called transformer was developed and successfully …

Cluster / Kubernetes / Python

Building a minimal, cost efficient Dask cluster

In this article we will show a way to do high performance parallel computing at a Kubernetes cluster using task. A primary focus is that we want to archive the …

Coding / Python

Kernel Regression using the Fast Fourier Transform

1. Setup In a previous post it was shown how to speed up the computation of a kernel density using the Fast Fourier Transform. Conceptually a kernel density is not …

Coding / Python

Fast Kernel Density Estimation using the Fast Fourier Transform

1. Setup This Post is about how to speed up the computation kernel density estimators using the FFT (Fast Fourier Transform). Let be be a random sample drawn from an …

Basics / Coding / Python / Spark

Non-Linear Classification Methods in Spark

In a previous post I covered how to apply classical linear estimators like support vector machines or logistic regression to a non-linear dataset using the kernel method. This article can …

Basics / Coding / Python / Spark

Non-Linear Support Vector Machines (SVM)

1. Introduction This blog post is about Support Vector Machines (SVM), but not only about SVMs. SVMs belong to the class of classification algorithms and are used to separate one …

Coding / Functional Data Analysis with Spark / Projects / Python / Spark

Kernel Regression using Pyspark

1. Kernel Regression using Pyspark In a previous article I presented an implementation of a kernel denisty estimation using pyspark. It is thus not difficult to modify the algorithm to …

Coding / Functional Data Analysis with Spark / Python / Spark

Nonparametric Density estimation using Spark

1. A Nonparametric Density implementation in Spark One of my previous blog post concerns about nonparametric density estimation. In this post i presented some Matlab code. An advantage of this …

Coding / Functional Data Analysis with Spark / Python / Spark

Functional Regression with Spark

1. Functional Regression Let the covariate be an at least twice continuously differentiable random function defined wlog. on an interval and the corresponding the response. For simplicity we assume centered …

Coding / Functional Data Analysis with Spark / Python / Spark

Functional Principal Component Analysis with Spark

1.) Functional Principal Component Analysis Let be a centered smooth random function in , with finite second moment . Without loss of generality we assume instead of some arbitrary compact …

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