3. Use R to sort the dataset according to Geo Place Name. You may need to change the variable name to Geo_Place_Name for easier use. View your result. 4. Use R to search for all entries from 2017 to date. Try saving your result in a new object NYAQ_since2017. View your result. 5. Use R to find all entries with Data value of 100 and above. Try saving your result in a new object NYAQ_DV100plus. View the first 15 rows of your result

I use USE NYCAir_Quality, but I could not upldoaded it here