Monthly Archives: April 2017

A Movie Lover’s Guide to New York

April 30, 2017
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A Movie Lover’s Guide to New York

The web application NYC movie locations guide is a tool designed to aid the visualization, analysis and exploration of movies that have been filmed in New The post A Movie Lover’s Guide to New York appeared first on NYC Data Science Academy Blog.

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Real Estate Investment: Buy to Sell or Buy to Rent?

April 30, 2017
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Real Estate Investment: Buy to Sell or Buy to Rent?

Real Estate Investment If you are looking for an investment to generate supplemental income at low risk, then real estate is a good option to consider. Just The post Real Estate Investment: Buy to Sell or Buy to Rent? appeared first on NYC Data Science Academy Blog.

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The Hydro Network-Linked Data Index

April 30, 2017
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The Hydro Network-Linked Data Index

Introduction The Hydro Network-Linked Data Index (NLDI) is a system that can index data to NHDPlus V2 catchments and offers a search service to discover indexed information. Data linked to the NLDI includes active NWIS stream gages, water quality portal sites, and outlets of HUC12 watersheds. The NLDI is a core product of the

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Autoencoders and anomaly detection with machine learning in fraud analytics

April 30, 2017
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Autoencoders and anomaly detection with machine learning in fraud analytics

All my previous posts on machine learning have dealt with supervised learning. But we can also use machine learning for unsupervised learning. The latter are e.g. used for clustering and (non-linear) dimensionality reduction. For this task, I am using...

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#6: Easiest package registration

April 30, 2017
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Welcome to the sixth post in the really random R riffs series, or R4 for short. Posts #1 and #2 discussed how to get the now de rigeur package registration information computed. In essence, we pointed to something which R 3.4.0 would have, and provided tricks for accessing it while R 3.3.3 was still R-released. But now...

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A Traveler’s Guide to the Sky

April 30, 2017
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A Traveler’s Guide to the Sky

Intro Maybe you’ve been here before. After a long flight, you make your way down to baggage claim, ready to grab your bags and finally make The post A Traveler's Guide to the Sky appeared first on NYC Data Science Academy Blog.

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Shiny Application Layouts exercises part 3

April 30, 2017
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Shiny Application Layouts exercises part 3

Shiny Application Layouts-Navbar Page In the third part of our series we will build another small shiny app but use another UI. Specifically we are going to create a Shiny application that includes more than one distinct sub-components each with its own characteristics. For our case we are going to use the cars dataset to Related exercise sets:

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Patterns in Stock Indices over Time

April 30, 2017
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Patterns in Stock Indices over Time

The traditional advice given to investors is 'buy and hold'.  I decided to investigate this claim and see what patterns I could find within the major The post Patterns in Stock Indices over Time appeared first on NYC Data Science Academy Blog.

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Shiny server series part 4: adding user authentication using Auth0

April 30, 2017
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Shiny server series part 4: adding user authentication using Auth0

This guide is part of a series on setting up your own private server running shiny apps. There are many guides with great advice on how to set up an R shiny server and related software. I try to make a comprehensive guide based in part on these resourc...

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R⁶ — Using pandoc from R + A Neat Package For Reading Subtitles

April 30, 2017
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R⁶ — Using pandoc from R + A Neat Package For Reading Subtitles

Once I realized that my planned, larger post would not come to fruition today I took the R⁶ post (i.e. “minimal expository, keen focus) route, prompted by a Twitter discussion with some R mates who needed to convert “lightly formatted” Microsoft Word (docx) documents to markdown. Something like this: to: This is definitely a job... Continue reading...

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