Misused statistical concepts

I have come across these basic truths of statistics several times in my learning experience. Nevertheless, I keep reading press articles and hearing news reports where they are ignored, to the purpose of telling stories that are all but true. The idea crossed my mind already several times, but today I was reading a post …

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Data Science Specialization it is!

I just went through the experience of completing the Johns Hopkins University Data Science Specialization on Coursera. The last course of this specialization was the Capstone project, which consists basically in learning about a new subject, Natural Language Processing (or NLP in short) and producing a Shiny application hosted on Shinyapps.io that predicts the next word a …

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A bit of rest…

Here it comes, summertime. Last year I was particularly active with this Blog and my quest to learn as much as possible about Data Science, Python, R etc. Many MOOCs and books later, and with only the Capstone project that separates me from achieving the Data Science Specialization, I have the need to slow down …

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Happy First Birthday!

I almost did not notice, but last 15th May was my site’s become one year old! Wow! In one year, this is the basic traffic data: Number of visitors as of now : 3730 Number of visits: 26085 My free hosting profile does not allow me to know from where you visit, I choose to …

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Open Data Sources

Professor Jean-Pierre Malle from in his “Datascience et Analyse situationnelle : dans les coulisses du Big Data” MOOC (Behind the scenes of Big Data), a course that can be found on the IONIS platform, made clear that the next big thing in IT is Bigdata. (The course is in French). It is not a -strictly …

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TF-IDF

TF-IDF stands for Term Frequency-Inverse Document Frequency. It is a method to find out how important a term or a set of terms is in a collection of documents or, as defined in wikipedia, in a “corpus”. I have first met it in the MOOC Text Retrieval and Search Engines,  but I have also retrieved …

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Welcome!

Hi. Before anything else, a big word of thanks! I would like to thank John Sonmez of Simple Programmer for his advice and his free blogging course. I have not followed all of his precious advice, and it took me a little more to be up and running that he showed in his lessons. But …

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