Divide or Mix. Flexible Approaches to Data Analysis

R blog By September 19, 2012 Tags: , , No Comments

A very interesting paradigm in data analysis comes from the necessity to model data where it is difficult to think of a single global function to be capable to represent adequately the data.

We could see a spectrum of models going from the global statistical model, with a single function and associated probability distribution, to the decision tree fitting a set of constants at each leaf of the tree.

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GenABEL: an annoying error after the import of PLINK data format

R blog By July 12, 2012 Tags: , No Comments

In the previous post we saw how much convenient could be GenABEL in the management of genotypic/phenotypic data.
We introduced the import of genotypic data from an Illumina format file:
> convert.snp.illumina(inf = "gen.illu", out = "gen.raw", strand = "file")
but what happens if you're analysing your data with PLINK, the open source toolset for GWAS?

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Presentations of the first Milano R net meeting

1st MilanoR meeting, Downloads By May 7, 2012 No Comments
  • Welcome presentation
    Andrea Spanò, Partner at Quantide
    (download PDF, 0.2 MB)
  • Past, present and future of R
    Stefano Iacus, Department of Economics, Business and Statistics, University of Milan and R Development Core Team
    (download PDF, 7.3 MB)
  • R and Operational Risk 
    Fabio Piacenza, Group Risk Management (CRO) Unicredit S.p.A.
    (download PDF, 1.3 MB)
  • Internet application development with R and Node.js
    Alberto Santini, Monte dei Paschi di Siena
    (download PDF, 0.2 MB)
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