Wen Xin DataViz Assignment #2

President Obama recently announced a series of actions aimed at reducing gun violence nationwide. Also, New York City will create gun courts and establish a police department to investigations related with guns. According to Reuters, there are some of the toughest gun laws in New York State. Thus I found some interesting date related with violence crimes in New York State. I found that since 1990, violence crime cases in New York State had been decreasing.

Violence Crime Number in New York City since 1990
Create line charts

 

Among the types of different kinds of violence, aggravated assault played a bigger role in violence.

The percentage of violence type in New York City
Create pie charts

I sort the data by the region at first and selected New York City. Then I selected the year that I would like to explore. Also I filtered the data by county to find out the data I would like to use for the chart.
Raw Data Link:

https://data.ny.gov/Public-Safety/Index-Crimes-by-County-and-Agency-Beginning-1990/ca8h-8gjq