BeepityBop

Data Blocks and Digital Images

Monday, 13 January 2020

Newton Method

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The Newton method (or Newton-Raphson Method )is an algorithm that allows one to find the roots of an equation when solving the equation (f(x...

Geometric Distribution

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I've discovered the geometric distribution, it looks very handy. $$E(X) = {1\over p}$$ $$V(X) = {1-p\over p^2}$$ $$P(Y=y) = {(1-p)}^...
Saturday, 11 January 2020

Birthday Problem and other R snippets

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Birthday problem solver code for R. I need a place to store this for future. I am working through second year statistics and will post other...
Sunday, 5 January 2020

Lack of posts

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I did not post anything for 2019 and very little for 2018. There are a few reason for this but ultimately, it boils down to being very busy ...

Making a distribution function and a supporting lookup table

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*UPDATE : So I thought I was being clever doing this post, but I see in the book I am reading (Wackerly - Mathematical Statistics) there are...
Sunday, 26 August 2018

Least Squares Line in R (or on pen and paper)

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I like to know how things work. I am not 100% comfortable in reusing plugins, packs or technologies without at least drilling to some depth...
Monday, 10 July 2017

ShuffleMoveOperation

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Right, so I've had to handle a number of these over the last few weeks while setting up data pipeline in Azure WH. To understand the ...
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Ray
South African database developer/dba/data and photo guy. Oracle & SQL databases on and off on MS windows and Linux environments for nearly 20 years. Here you will find OS commands, Middleware, SQL and Oracle Database notes and scripts, and R occasionally punctuated with images I've had and taken. Also studying Operations Research. This blog is my scratch pad. You might find something useful here.
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