55 search results for "sandy"

Animated Flow in the non-tidal Delaware River

March 27, 2016
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Animated Flow in the non-tidal Delaware River

The Delaware River experienced some high flow in late February 2016, providing an opportunity for an interesting animated graph of river response.This plot was developed using data from the USGS NWIS system for gauges on the Delaware River, retrieved w...

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Analyzing 1.1 Billion NYC Taxi and Uber Trips, with a Vengeance

November 17, 2015
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Analyzing 1.1 Billion NYC Taxi and Uber Trips, with a Vengeance

The New York City Taxi & Limousine Commission has released a staggeringly detailed historical dataset covering over 1.1 billion individual taxi trips in the city from January 2009 through June 2015. Taken as a whole, the detailed trip-level data is more than just a vast list of taxi pickup and drop off coordinates: it’s a story of New York....

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New version of OpenBLAS released

October 28, 2015
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OpenBLAS 0.2.15 has been released. I’ll be building Rblas.dll for Sandy and Ivy bridges on Windows shortly, and would certainly like to hear from anyone else using OpenBLAS and R on Windows.

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The World We Live In #5: Calories And Kilograms

August 19, 2015
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The World We Live In #5: Calories And Kilograms

I enjoy doing new tunes; it gives me a little bit to perk up, to pay a little bit more attention (Earl Scruggs, American musician) I recently finished reading The Signal and the Noise, a book by Nate Silver, creator of the also famous FiveThirtyEight blog. The book is a very good reading for all … Continue reading...

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Importing Data Into R – Part Two

August 18, 2015
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Importing Data Into R – Part Two

In this follow-up tutorial of This R Data Import Tutorial Is Everything You Need-Part One, DataCamp continues with its comprehensive, yet easy tutorial to quickly import data into R, going from simple, flat text files to the more advanced SPSS and SAS files. As a lot of our readers noticed correctly from the first post, The post

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GPU-Accelerated R in the Cloud with Teraproc Cluster-as-a-Service

June 10, 2015
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GPU-Accelerated R in the Cloud with Teraproc Cluster-as-a-Service

Analysis of statistical algorithms can generate workloads that run for hours, if not days, tying up a single computer. Many statisticians and data scientists write complex simulations and statistical analysis using the R statistical computing environment. Often these programs have a very long run time. Given the amount of time R programmers can spend waiting

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New York Times Article Search API to MongoDB

January 5, 2015
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Motivation Accessing NYT API Extracting and parsing the article body text Writing to MongoDB Pipeline Results Motivation I’ve learned a little about a lot of different corners of the text mining and NLP world over the last few years… which sometimes makes me feel like I know nothing for certain....

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The completeness of online gun shooting victim counts

November 9, 2014
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The completeness of online gun shooting victim counts

There are a number of on line efforts to register victims of shootings online. Shootingtracker tries to register all mass shootings, those with four or more victims. Slate had the gun death tally (GDT), gun deaths starting at Newtown, running thro...

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Plot Me Like a Hurricane (a.k.a. animating historical North Atlantic basin tropical storm tracks)

October 7, 2014
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Markus Gessman (@MarkusGesmann) did a beautiful job Visualising the seasonality of Atlantic windstorms using small multiples, which was inspired by both a post by Arthur Charpentier (@freakonometrics) on using Markov spatial processes to “generate” hurricanes—which was tweaked a bit by Robert Grant (@robertstats)—and Gaston Sanchez‘s Visualizing Hurricane Trajectories RPub. I have some history with hurricane

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Generating Hurricanes with a Markov Spatial Process

September 30, 2014
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Generating Hurricanes with a Markov Spatial Process

The National Hurricane Center (NHC) collects datasets with all  storms in North Atlantic, the North Atlantic Hurricane Database (HURDAT). For all sorms, we have the location of the storm, every six jours (at midnight, six a.m., noon and six p.m.). Note that we have also the date, the maximal wind speed – on a 6 hour window – and...

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