ENH: updating example to show how to write out as well

examples/discovery/plot_improve.py

@@ -23,4 +23,8 @@
 # Print out the known problems documented by IMPROVE
 print(ds.attrs['site_problems'])
 
+# Write out the data to netCDF and csv
+ds.to_netcdf('./sgpimprove.20230101.nc')
+ds.to_dataframe().to_csv('sgpimprove.20230101.csv')
+
 plt.show()