Re: [betaNYC] A Day in the Life of a New York City Taxi

From: Jeremy B.
Sent on: Tuesday, July 15, 2014 3:07 PM
Chris, I'm curious what your views are on the de-anonymization issue?  Over in computer security forums (here among many), the NYC taxi data dump is being treated as a privacy fiasco, precisely because of the poorly-executed anonymization.


On Mon, Jul 14, 2014 at 10:01 AM, Chris Whong <[address removed]> wrote:
Thanks for the comments.  The data don't include the make/model of the vehicle.  Since the medallions are de-anonymizable, I wonder if you could determine the make and model from the medallion somehow (I think this is a stretch).

I like the traffic density idea, but I am not sure how I could get that kind of data on-demand for a given taxi trip, especially since these are historic.  Good idea though!

-Chris


On Mon, Jul 14, 2014 at 9:54 AM, Steve C <[address removed]> wrote:
Great visualization! I like Steve's environmental layer suggestion (my background is air pollution control / air quality)... a couple ideas:

- Using Google traffic data (is it easily accessible?) to see the percentage of time a random taxi's estimated route is in a given traffic density (green, yellow, red)
- Distinguish b/w type of vehicle (is it possible to know whether it is hybrid/conventional and make/model?) to then estimate tailpipe emissions over the course of the day and route (I can help with this if needed)
- Air sensors mounted on taxis and vehicles is inevitable in my opinion, and that's when things will get really interesting 



On Mon, Jul 14, 2014 at 8:55 AM, Steven Hodas <[address removed]> wrote:
Ditto, it's fantastic.

----------------------------------------------
Steven Hodas





On Mon, Jul 14, 2014 at 8:08 AM, Florent Peyre <[address removed]> wrote:
Pretty awesome visualization Chris




On Jul 14, 2014, at 6:46 AM, Chris Whong <[address removed]> wrote:

... I suppose a link would be nice.



On Mon, Jul 14, 2014 at 6:44 AM, Chris Whong <[address removed]> wrote:
Hi BetaNYC, 

I'm excited to share this little side project that I've been working on with the FOIL'd NYC taxi data.  It offers a glimpse into a single 24 hour period, for a single taxi, and tallies up fares, taxes, and passengers.  

I've already seen some interesting things, such as unexpected gaps during prime service hours for some taxis (why?  Long lunch breaks?  Shift Change?)  as well as some pretty big variance in daily earnings.

I hope you like it!  Blog post coming on the tech recipe, there's a lot going on under the hood.  

-Chris



<Fullscreen_7_14_14__6_36_AM.png>





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