484 search results for "Register"

Bayesian analysis of sensory profiling data

February 2, 2014
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Bayesian analysis of sensory profiling data

I looked at Bayesian analysis of sensory profiling data in May and June 2012. I do remember not being totally happy with the result and computations taking a bit more time than I wanted. But now it is 2014, I can use STAN and I have been thinking about...

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ShareLaTeX now supports knitr

January 31, 2014
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ShareLaTeX (click here to register a free account) is a wonderful and reliable on-line editor for writing and compiling LaTeX documents “in the cloud” as well as working together in real-time (imagine Google Docs supporting LaTeX => you get ShareLaTeX).…Read more ›

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Accurate imputation and valid statistical inference with ensemble

January 25, 2014
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Accurate imputation and valid statistical inference with ensemble

Imputation is predictive inference and not causal inference! I have met many people, who consider the two are equivalent. Their reasoning is based on the belief that if you can produce a model which replicate the data generating...

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Demo this Wednesday: Drag-and-drop to create R-based workflows

January 24, 2014
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Demo this Wednesday: Drag-and-drop to create R-based workflows

Want to see how you can use a drag-and-drop user interface to run and share R code? Check out our webinar next Wednesday January 29 (hosted by Alteryx and Revolution Analytics): Creating Value That Scales with Revolution Analytics & Alteryx. In the webinar, Dan Putler (Alteryx's Data Artisan in Residence) will demonstrate the Alteryx drag-and-drop Alteryx GUI, which provides...

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A brief foray into parallel processing with R

January 21, 2014
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A brief foray into parallel processing with R

I’ve recently been dabbling with parallel processing in R and have found the foreach package to be a useful approach to increasing efficiency of loops. To date, I haven’t had much of a need for these tools but I’ve started working with large datasets that can be cumbersome to manage. My first introduction to parallel

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Instrumental Variables Simulation

January 9, 2014
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Instrumental VariablesInstrumental variables are an incredibly powerful for dealing with unobserved heterogenity within the context of regression but the language used to define them is mind bending. Typically, you hear something along the lines of “an instrumental variable is a variable that is correlated with x but uncorrelated with...

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MCMSki IV, Jan. 6-8, 2014, Chamonix (news #18)

January 6, 2014
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MCMSki IV, Jan. 6-8, 2014, Chamonix (news #18)

MCMSki IV is about to start! While further participants may still register (registration is still open!), we are currently 223 registered participants, without accompanying people. I do hope most of these managed to reach the town of Chamonix-Mont-Blanc despite the foul weather on the East Coast. Unfortunately, three speakers (so far) cannot make it: Yugo

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Subsetting in readOGR

December 31, 2013
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The function readOGR in the rgdal package is used to bring vector spatial data sources into R. readOGR() relies upon OGR (part of the GDAL/OGR library) for format conversion. Unfortunately, while OGR supports the ability to subset columns (with the -select switch) or rows (with the -where switch), or even to request a layer using

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Learn R and/or Data Management from Home January or April

December 11, 2013
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Learn R and/or Data Management from Home January or April

If you want to learn R, or improve your current R skills, join me for two workshops that I’m offering through Revolution Analytics in January and April. If you already know another analytics package, the workshop, Intro to R for … Continue reading →

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Using R to Analyze Yahoo Fantasy Football Data

December 6, 2013
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Using R to Analyze Yahoo Fantasy Football Data

I recently created a gist that demonstrated how to authenticate with the Yahoo API, using the httr package. In this post, I will expand on this a little to downloading personal Yahoo fantasy football data and creating a graph showing my regular season ...

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