Reference

Data Preparation Readying the inputs for analysis and metrics creation
user_aoi()	Import a user's area of interest shape file
find_tenure()	Find a DBCA tenure name
find_block()	Find a DBCA forest block name
DBCA_aoi()	Make a DBCA tenure area of interest
assemble_data()	Assemble data for calculating fire metrics
Making Metrics Functions to create fire metrics
yslb()	Metric - Year Since Last Burn
fire_freq()	Metric - Fire Frequency
fire_interval()	Metric - Fire Interval