Data analysis Learning (Five)

Seven, data analysis Case

911 7.1 Data analysis:

        demand:

                Data 250 000 2015-2017 911 of the Emergency Telephone,

                    1. These data statistics of the number of different types of emergencies,

                    2. statistics of the number of different types of changes in different months of emergency calls,

 

        Code:

                    1. The statistics of the number of emergency situations in the different types of data:

                   

                    

                    2. The statistics of changes in the number of different types of emergency calls in different months:

                    

                    

7.2 PM2.5 data analysis:

        Demand: Now we have a wide north, Shenzhen, Shenyang and five urban air quality data,

                  Please draw the change of PM2.5 over time five cities

 

        Code:

                    

                    

 

 

    Summary: The contents of this course is to learn there are matplotlib, numpy, pandas

              The overall flow of data analysis are: use Pandas read data

- "analysis (data packet data, the operation to obtain the desired polymerization) using data Pandas                   

- "With matplotlib be drawing operation