Il successo della Lega, i media e le “crisi” migratorie

La crescita di Salvini e della Lega è forse per la politica italiana l’evento più significativo del 2018. Nel gennaio 2018, prima delle elezioni di marzo, la Lega di Salvini era intorno al 12-13%. Alla fine del 2018 la Lega era stimata sopra al 30%. Un guadagno di quasi 20 punti percentuali in 12 mesi.

Fig 1. La crescita della Lega (media mobile dei sondaggi, 30 giorni)

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Sunday, 8 December 2019

Explicit semantic analysis with R

Explicit semantic analysis (ESA) was proposed by Gabrilovich and Markovitch (2007) to compute a document position in a high-dimensional concept space. At the core, the technique compares the terms of the input document with the terms of documents describing the concepts estimating the relatedness of the document to each concept. In spatial terms if I know the relative distance of the input document from meaningful concepts (e.g. ‘car’, ‘Leonardo da Vinci’, ‘poverty’, ‘electricity’), I can infer the meaning of the document relatively to explicitly defined concepts because of the document’s position in the concept space.

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Tuesday, 26 April 2016

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  • Advent of 2021, Day 5 – Setting up Spark Cluster
    Series of Apache Spark posts: Dec 01: What is Apache Spark Dec 02: Installing Apache Spark Dec 03: Getting around CLI and WEB UI in Apache Spark Dec 04: Spark Architecture – Local and cluster mode We have explore the Spark architecture and look…Read more › Continue reading: Advent of 2021, Day 5 – Setting up Spark Cluster
  • Easy Interpretations of ADF Test in R
    This post shows how to interpret the results of the augmented Dickey-Fuller (ADF) test easily with the help of Hank Roark's R function. His R function provides kind descriptions of the results of a unit root ADF test. I explains why this description... Continue reading: Easy Interpretations of ADF Test in R
  • Writing Functions in R: Working Example One
    A. Background We usually want to write reusable code that is compact and could be utilized in a number of use cases. That involves writing user defined functions that can take particular input values, perform some set of steps, and returns an output. I... Continue reading: Writing Functions in R: Working Example One
  • Advent of 2021, Day 4 – Spark Architecture – Local and cluster mode
    Series of Apache Spark posts: Dec 01: What is Apache Spark Dec 02: Installing Apache Spark Dec 03: Getting around CLI and WEB UI in Apache Spark Before diving into IDE, let’s see what kind of architecture is available in Apache Spark. Architecture…Read more › Continue reading: Advent of 2021, Day 4 – Spark Architecture – Local and […]
  • Why R? 2021 Invited Talks
    This year we are organizing the fifth edition of Why R? 2021 conference. As the meetings are held in English we invite R users from all over the globe! The program is available on our youtube.com/WhyRFoundationVideos channel. Go and check what lecture... Continue reading: Why R? 2021 Invited Talks

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  • Being Alive
    We saw Company on Broadway last weekend. It was the day that Sondheim passed away, so it was very sad. The show itself was directed in a broad, over-the-top sort of way. Later we found a version on youtube and … Continue reading →
  • DeclareDesign
    Political scientists Graeme Blair, Jasper Cooper, Alexander Coppock, and Macartan Humphreys write: DeclareDesign is a system for describing research designs in code and simulating them in order to understand their properties. Because DeclareDesign employs a consistent grammar of designs, you … Continue reading →
  • They call him Dr. Manhattan because he updates in one dimension at a time.
    Knowing that I’m a fan of Stanislaw Ulam, X pointed me to an announcement of a recent movie, Les Aventures d’un Mathématicien, par Thor Klein. I was curious so I googled and found this inadvertently hilarious blurb: The warmhearted story … Continue reading →