Data Mining

Data mining blogs

Connecting Python to Postgres . . . An Arduous Task

May 31, 2015
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I've decided that I want to learn a bit more about Python.  So, I downloaded Python onto my Mac running OS 10.8.x and decided to connect it to my local Postgres database.  Several days later, I have succeeded! Along the way, I may have learne...

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R and Data Mining workshop at Deakin University

May 25, 2015
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R and Data Mining workshop at Deakin University

I will run a workshop on R and Data Mining for students in the Master of Business Analytics course at Deakin University in Melbourne on Thursday 28 May. The workshop will cover: – Introduction to Data Mining with R and … Continue reading →

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The Economist gets in on the AI Fluff

May 11, 2015
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The Economist gets in on the AI Fluff

The Economist leads with an editorial and an article on The Dawn of Artificial Intelligence. The editorial starts of with: “THE development of full artificial intelligence could spell the end of the human race,” Stephen Hawking warns. Elon Musk fears...

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Fast SQL moving average calculation without windowing functions

May 11, 2015
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Fast SQL moving average calculation without windowing functions

In this post, I show a trick to do moving average calculation (can be extended to other operations requiring windowing functions) that is super fast. Often, SAS analysts need to conduct moving average calculation and there are several options by the or...

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AI, Artificial Birds and Aeroplanes

May 9, 2015
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AI, Artificial Birds and Aeroplanes

The Turing Test for artificial intelligence is a reasonably well understood idea: if, through a written form of communication, a machine can convince a human that it too is a human, then it passes the test. The elegance of this...

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How to Understand Computers in Film

May 6, 2015
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How to Understand Computers in Film

When we see an act of programming, screeds of code or other interactions with computers in movies, software engineers are likely to roll their eyes. When Chappie's coder has to write 'terabytes of code' When Ford's computer guy has to...

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How the Tech Media Keeps Artificial Intelligence at a Distance

May 4, 2015
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How the Tech Media Keeps Artificial Intelligence at a Distance

In sympathy with yesterday's post about AI as presented in films, consider this recent article from the Wall Street Journal: Artificial Intelligence Experts are in High Demand. A list of mostly machine learning experts is produced as evidence for the...

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How Hollywood Keeps Artificial Intelligence at a Distance

May 4, 2015
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How Hollywood Keeps Artificial Intelligence at a Distance

When something doesn't exist (like artificial intelligence) it's easy to think that there is some missing piece of magic required to bring it in to existence. There has been a growing interest in movie depictions of AI of late, and...

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Artificial Intelligence and Economics

May 2, 2015
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Artificial Intelligence and Economics

There are lots of articles online of the form - humanity has built some amazing things, so why haven't we produced an artificial intelligence? These articles (here's an example) often include some discussion of a task that even a very...

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sklearn DecisionTree plot example needs pydotplus

April 26, 2015
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In Python, sklearn (scikit-learn)'s DecisionTree example uses pydot for plotting the generated tree: @here.But for Python 3, pydot has some issues with the string from dot_data.getvalue(), for example it will report "TypeError: startswith first arg mus...

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