• Part 3: Natural Language Processing – Sentiment Analysis and Opinion Mining

    If you remember in part 2 we discussed what Key Word Analysis is and how this can be implemented to gain deeper insight from textual data. But we can go one step deeper and extract feelings and opinions from the same data. We can do this through Sentiment Analysis and Opinion mining! In this blog I will talk you through what they are and how we can implement them using Microsoft’s Cognitive Services. What is Sentiment Analysis? We should…

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  • Part 2 : Natural Language Processing- Key Word Analysis

    Here we are with part 2 of this blog series on web scraping and natural language processing (NLP). In the first part I discussed what web scraping was, why it’s done and how it can be done. In this part I will give you details on what NLP is at a high level, and then go into detail of an application of NLP called key word analysis (KWA). What is NLP? NLP is a form of artificial intelligence which deals with the interactions between humans…

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  • Part 1: Web Scraping and Natural Language Processing- Web Scraping

    In this multi blog series I will go through what web scraping is, what Natural Language processing is as a general term as well as diving into some constituent techniques we are interested in; key word extraction, sentiment analysis and its derivative opinion mining. The last few parts will then go through a coded example of scraping the popular review site Trust pilot for reviews of the popular supermarket chain ‘Lidl’. We will then…

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  • Deploy Azure AutoML Model And Consume In Excel

    It has come back to my turn to write a blog post, and if you remember my previous one concerned why you should use Azure based AutoMl and subsequently how to do so. If you followed that then you will be left with a model of which you’ve scored and know the performance of, but no way of how to then deploy and use your model. I will outline the steps needed to do this (which involves a major shortcut as we are using an AutoMl model), and…

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  • AutoML; How to use it and why

    Introduction Some of you may have noticed that the Purple Frog team were at the largest community-led SQL Server and Microsoft Data Platform conference in Europe last week; SQL Bits. With all of us learning a lot, I thought I would share some of the knowledge I picked up in the Machine Learning space with you this week. I went to a session by Gavita Regunath of Advancing Analytics on the topic of AutoML, and why not just beginners in…

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  • Pandas; Why Use It And How To Do So!

    Introduction Hi and welcome to what will be my first frog blog! I’m Lewis Prince, a new addition to the Purple Frog team who has come on board as a Machine Learning Developer. My skill set resides mainly in Data Science and Statistics, and using Python and R to apply these. Therefore my blogs will be primarily on hints and tips on performing Data Science and Statistics through the medium of Python (and possibly R). I thought I would start…

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