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Slicing and dicing NYC Noise – by year and type of complaint

The number of noise reports by year, broken down by type of complaint. It’s easy to miss but if you look closely, you will notice that from 2010 there is both a jump in the number of complaints as well as an increase in the categorization of complaints. 2010 is also the year when the 311 system acquired a new variable that is not available from 2004 to 2009 – a description of the resolution.

NYC Noise 2004 to 2017, by year and top 10 types of noise

311 data from NYC Open Data downloaded at various times. As of Feb 5, 2018, 27 million rows, 52 variables till 2009, 53 variables from 2010. Parsed using R v3.4.3 in RStudio v1..1.423

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