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particle-filters-demo

Particle Sketches / 2 – working around the central limit theorem

May 22, 2012by Roberto Lupi Leave a comment

If you read my previous post about Particle Sketches and are literate in statistics, you may have already dismissed my ideas as flawed, convinced that they will shatter against the [...]

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Programming
Particle-Sketches

Particle Sketches, a way to estimate a very large number of Bayesian models in sub-linear space and time

May 16, 2012by Roberto Lupi 6 Comments

I have been designing an interesting, novel (as far as I know) data structure. Its goal is to estimate a very large number Bayesian models in the smallest possible space [...]

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Programming

MS-SQL: Cleaning up duplicates with Common Table Expressions

December 27, 2011by Roberto Lupi Leave a comment

It is a common pattern to prefer non-semantic primary keys — auto-incremented integers or UUIDs — over semantic ones. It’s advisable to define unique indexes on the semantic identity fields, [...]

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Programming

Cone of Silence

December 14, 2011by Roberto Lupi Leave a comment

Once upon a time, I worked for a small company that had a tiny office. It was just a big room where all the developers, designers and creatives assembled, plus [...]

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Business & Management

@rethinkdb dog challenge

December 13, 2011by Roberto Lupi Leave a comment

Rethinkdb recently published a cat challenge. Well, it’s not really a challenging challenge if you can solve it by looking up Vigenère encryption from Wikipedia and following instructions. I don’t [...]

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Programming

Functional vs. Object Oriented, an unusual point of view

December 13, 2011by Roberto Lupi Leave a comment

While searching for a job, I met a proprietary trading company that uses functional languages for their own systems. Jane Street is a private equity firm, specializing in statistical arbitrage. [...]

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Programming

Being an effective project manager

December 10, 2011by Roberto Lupi 1 Comment

Lesson learned: Being an effective project manager is not about doing the work yourself, it is about making sure the right resource is applied to the right problem. (from The [...]

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Business & Management

Try Harder

December 8, 2011by Roberto Lupi Leave a comment

I have found this little gem in PragPub, May 2011: A depressing theme with many of today’s software shops is the need to only make two kinds of hires. The [...]

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Business & Management

Developer? Manager? You can’t do both jobs at the same time

November 5, 2011by Roberto Lupi Leave a comment

You can be proficient in both, maybe you are good at one, it’s very hard to be excellent at both – but the whole point is that you cannot fill [...]

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Business & Management

F# plugin for MonoDevelop 2.6

September 14, 2011by Roberto Lupi 1 Comment

MonoDevelop 2.6 is now stable, but there is no official port of the F# plugin. I forked it on githuband got it to compile and install properly, but there is still [...]

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Programming

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@robertolupi

  • Particle Sketches / 2 - working around the central limit theorem wp.me/pmoYr-jo 16 hours ago
  • We're unveiling Squirro at CloudForce! wp.me/pmoYr-jg 1 day ago
  • Squirro at Cloudforce! ink361.com/#/p/1963346738… via @ink361 1 day ago
  • Video: Yello. I just discovered these guys (yeah, I am music impaired). Love them and their sound. tmblr.co/ZLMdSyLc1uC3 6 days ago
  • Particle Sketches, a way to model a very large number of Bayesian models in sub-linear space and time wp.me/pmoYr-j4 1 week ago

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Recent Posts

  • Particle Sketches / 2 – working around the central limit theorem
  • We’re unveiling Squirro at CloudForce!
  • Particle Sketches, a way to estimate a very large number of Bayesian models in sub-linear space and time
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  • MS-SQL: Cleaning up duplicates with Common Table Expressions
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