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Figure 1. Scatter plot of word embedding coordinates (coordinate #3 vs. coordinate #10). You can see that semantically related words are close to each other.
This blog post is an extract from chapter 6 of the book “From Words to Wisdom. An Introduction to Text Mining…Continue
Added by Rosaria Silipo on May 7, 2018 at 12:00am — No Comments
A market basket analysis or recommendation engine  is what is behind all these recommendations we get when we go shopping online or whenever we receive targeted advertising. The underlying engine collects information about people’s habits and knows that if people buy pasta and wine, they are usually also interested in pasta sauces. So, the next time you go to the supermarket and buy pasta and wine, be ready to get a recommendation for some pasta sauce!
A typical analysis goal…
The job of a data analyst nowadays has become very extensive, in its need to cover a number of different and ever-changing tasks.
A data analyst must query a variety of internal and external data sources, each with a different access protocol and format; integrate these data with results from REST and web services queried over the Internet, such as Google API or any social media channel; exchange information with business analysts, who, while lacking the deep mathematical background,…Continue
Added by Rosaria Silipo on July 14, 2015 at 2:27am — No Comments
I have built a model that scores 99.9% accuracy! Great! Fantastic!
This is what a colleague of mine calls the "Now what?" effect. After training, testing, and optimizing a model repeatedly, we get this fantastic performance on the evaluation set. Now it is the time to put your model to good use on real life, maybe streaming, data. This phase is called Model…
Added by Rosaria Silipo on June 23, 2015 at 1:28am — No Comments
Added by Rosaria Silipo on May 6, 2015 at 12:30am — No Comments