Top 10 Agencies Getting The Most 311 Service Requests
Number of service requests to NYC’s 311 from 2004 to 2016: 24,537,397
Top 10 agencies (of 65) with the most requests:
HPD  8110359NYPD  4017361DOT  3676805DEP  2435830DSNY  1771932DOB  1362758DPR  931293DOHMH  629524DOF  541761DCA  312950
Bottom 5 with only 1 service request each:
| 
 61 
 | 
 OEM 
 | 
 1 
 | 
| 
 62 
 | 
 OMB 
 | 
 1 
 | 
| 
 63 
 | 
 TFA 
 | 
 1 
 | 
| 
 64    
 | 
 LPC 
 | 
 1 
 | 
| 
 65  
 | 
 TAT 
 | 
 1 
 | 
OEM everyone knows, after 9/11.  What’s TAT?  ‘That’ with an ‘h’ missing? 
311 data from NYC Open Data, downloaded at various times.  As of Feb 19, 2017, 24.5 million rows,  52 variables till 2009,  53 variables from 2010. Parsed using R v3.3.1 in RStudio v1.0.136