Independent Dissident. I don’t follow “The Science” (TM). I follow the Data. –“When there is no such thing as truth, you can’t define reality. & when you can’t define reality, the only thing that matters is power.” — Maajid Nawaz
Don’t follow the herd, follow your own internal compass
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"Veritas vos liberabit"
"The comes a time when one must take a position that is neither safe, nor politic, nor popular, but one must take it because it is right." -- Dr. Martin Luther King
"Rättvisa handlar inte om lika utfall, utan om lika spelregler" -- Alice Teodorescu
“The mediocre teacher tells. The good teacher explains. The superior teacher demonstrates. The great teacher inspires.” ― William Arthur Ward
When the facts change, I change my mind. What do you do, sir?" -- John Maynard Keynes
""Don't attribute to stupidity what can be adequately explained by a contract." -- Anonymous
"Without deviations from the norm, progress is not possible" -- Frank Zappa
"I must study politics and war that my sons may have liberty to study mathematics and philosophy and they in turn must study those subjects so that their children can study painting, poetry, music, architecture, statuary, tapestry, and porcelain." -- John Adams, Americas II president
"In a time of universal deceit - telling the truth is a revolutionary act." -- George Orwell
"The only thing necessary for the triumph of evil is for good men to do nothing." -- Edmund Burke
"Being normal is being merely average" -- Shawn Achor
“It is difficult to get a man to understand something, when his salary depends on his not understanding it.” -- Upton Sinclair
"I do not agree with what you have to say, but I'll defend to the death your right to say it." -- VoltaireSystems view
"Our organization was designed for a problem that no longer existed; we had brought an industrial age force to an information-age conflict." --Stan McChrystal- A/B Testing
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Monthly Archives: February 2018
Olympics 2018 – Medals
As per 20180224.
2018 Olympics – Medals per capita (thus far)
[Update 20180224: updated per capita, plus a graph showing “Total Points”, where Gold gives 3p, Silver 2p, Bronze 1p]
Distribution of distributions in 3D
Just a quick add-on to my previous post on yet another way to present multidimensional data: To recap, we have a “distribution of distributions”, where each distribution has two dimensions, mu and sigma. In the previous post, I chose to present … Continue reading
Posted in Bayes, Data Analytics, Data Driven Management, Math, Numpy, Probability, Python, Simulation, Statistics
Tagged Bayes, Matplotlib, Numpy, Pandas, Probability, Python, Simulation, Statistics
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Homicide by firearms – statistics country by country
I wanted to experiment a bit with a for me previously unknown Python library, “Beautiful Soup”, which is an html and xml parser. So I used the Soup to grab data from a Wikipedia page, and massaged it a bit … Continue reading
Posted in Data Analytics, Python, Society, Statistics
Tagged Pandas, Python, Society, Statistics
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Tiny Data – Bayesian dirty socks – but how many were there in the laundry machine…?
I found this very illuminating short tutorial video on Approximate Bayesian Computation, by Rasmus Bååth, on youtube, and since Rasmus example uses R as the implementation language, I decided to implement the example in Python. The problem at hand is … Continue reading
Posted in Bayes, Data Analytics, Data Driven Management, Numpy, Probability, Python, Simulation, Statistics
Tagged Bayes, Matplotlib, Numpy, Probability, Python, Simulation, Statistics
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Size Matters, particularly in prediction
A follow-up on my previous post on statistical significance and hypothesis-testing: Let’s say we pull a number of samples, as in the previous post, from both a control group and a test group. Let’s also say that for the samples from … Continue reading
Posted in A/B Testing, Bayes, Data Analytics, Data Driven Management, Probability, Simulation, Statistics
Tagged A/B Testing, Bayes, Data Analysis, Probability, Simulation, Statistics
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Lies,damn lies, statistics,predictions – the world is more random than you might think…
For a number of years ago, John Ionnidis published a paper claiming to prove that most research papers are in fact wrong. That is, the findings of many/most research papers can actually not be reproduced by other, independent teams. According … Continue reading
Posted in A/B Testing, Bayes, Data Driven Management, Numpy, Probability, Python, Research, Simulation, Statistics
Tagged A/B Testing, Bayes, Evidence Based Decision Making, Matplotlib, Numpy, Probability, Python, Research, Simulation, Statistics
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Val 2018 – KD ramlar ur Riksdagen
Har nu uppdaterat både datat och min Bayesian Inferencemodell, datat genom att lägga till siffrorna från samtliga övriga opinionsinstitut, och modellen körs numera i Stan, ett domänspecifikt språk för statistiska analyser. Efter en körning av samtliga publicerade opinionsundersökningar sedan valet … Continue reading
Posted in Bayes, Data Analytics, Numpy, Politik, Probability, Pystan, Python, Society, STAN, Statistics, Sverige
Tagged Bayes, Politik, Probability, Pystan, Python, STAN, Statistics, Val2018
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Bayesian Inference av kommande resultat i Kommunalvalet i min hemkommun
Såg just att i en Facebook-grupp finns en poll “Vilket parti skulle du rösta på i kommunalvalet idag?” Eftersom den politiska situationen i min hemkommun är “lätt” turbulent, så tänkte jag att det kunde vara kul att köra en Bayesian … Continue reading
Posted in Bayes, Data Analytics, Politik, Probability, Python, Statistics, Sverige
Tagged Bayes, Politik, Probability, Statistics, Sverige, Val2018
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A/B-testing on trendline data using Bayesian Inference
Asume we are in the process of doing evidence based testing of two competing strategies, “A” and “B”, and we want to evaluate these competing strategies over several days, weeks, months or whatever timespan we have decided upon. That is, … Continue reading
Posted in A/B Testing, Bayes, Data Analytics, Data Driven Management, Numpy, Probability, Python, Simulation, Statistics
Tagged A/B Testing, Bayes, Probability, Python, Statistics
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