when to use jmp drought index what is the relationship between the drought index and the corn yield? explain. how to do this in jmp does jmp aggregate data how to jmp graphs for corn how to compare corn yields with drought how does jmp work how do i find the relationship between the drought index and the corn yield in jmp? how to find a relation between drought and corn yield how does drought data work how many drought indexes are in a year what is the relationship between the drought index and the price of corn? why do i use graphing software? what is the relationship between a drought graph and a graph? how many drought index values in jmp how do I calculate the drought index in jmp how does jmp aggregate data can jmp show drought index what type of data is used to graph drought what is jmp drought how many drought indexes are available how to find the relationship between corn crop yield and drought