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Joey Whelan
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Joey's posts

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IoT Data Pipeline - Part 3: Kafka Integration
Summary In this post I'll scale up the architecture by simulating multiple IoT devices and then consolidate the resulting data stream into Apache Kafka . IoT Data Pipeline - Part 1: Device Set-up IoT Data Pipeline - Part 2: Node/Java Crypto Interop IoT Data...

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IoT Data Pipeline - Part 2: Node/Java Crypto Interop
Summary I wasn't planning on dedicating an entire post to encryption, but this task proved to be enough of a pain that I decided it justified.  Maybe this will help others bypass that pain. This project developed into a mixed-language solution:  Node on the...

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IoT Data Pipeline - Part 1
Summary In this post I'll describe my beginning steps in building a IoT data pipeline.  The scenario is somewhat contrived, but it uses infrastructure I have combined with no-cost interfaces.  The IoT 'device' in this scenario is a Personal Weather Station ...

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UPnP Over LAN Segments
Summary DLNA is a common standard for media devices today.   UPnP is the underlying discovery/control protocol for DLNA.  UPnP relies on IP multicast for the device discovery.  I'll discuss how to make UPnP functional in a segmented network.  Specifically, ...

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AI-Driven Investing with Lending Club - Part 4: Third Party Data Integration
Summary This is an extension of the series I wrote on my experience implementing a machine learning engine for selecting loans for investment from Lending Club.  In this article, I'll discuss the modifications I made to support integration of data outside o...

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Enabling HTTPS with Let's Encrypt
Summary Let's Encrypt  is a free certificate authority that in addition provides some nice tools for installing and automating renewal of certs.  Their certs are now supported on all the major browsers. Implementation   These guys have really made it simple...

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Google Prediction API with Python
Summary This post concerns usage of Google's cloud machine learning engine - Prediction API .  I'm going to demonstrate the basic functionality of their engine with Python.  I'll use the Lending Club data set that I described here for training and live/acti...

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AI-Driven Investing with Lending Club - Part 3: API Integration
Summary This is the final post in this series discussing my experiences with applying machine learning to Lending Club's data set.  This article will discuss how I integrated the techniques developed to the previous post to make real-time investments utiliz...

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AI-Driven Investing with Lending Club - Part 1: Data Wrangling
Summary This article is part one in a three-part series covering my experiences with building a machine-learning engine for investing with Lending Club .  Lending Club is a peer-to-peer loan service.  I previously published an article that discusses how to ...

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AI-Driven Investing with Lending Club - Part 2: Algorithm Analysis & Class Balancing
Summary This is Part 2 in a three-part series on my foray into machine learning.   Part 1 covered data analysis and transformation necessary for machine learning.  This article will cover my experiences with algorithm testing and one particular pitfall with...
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