Lookup function
lookup function displays the expression based on the offset.the offset can be either number or first() or last() or can be eiter number.
syntax
lookup(expression,[offset])
product sum(sales) lookup(sum(sales),first()) first() lookup(sum(sales),1) lookup(sum(sales),-1)
A 100 100 0 200 -
B 200 100 -1 300 100
C 300 100 -2 400 200
D 400 100 -3 - 300
size function gives the no.of values in the data view.
it displays the total of the input expression.
syntax
total(expression)
lookup function displays the expression based on the offset.the offset can be either number or first() or last() or can be eiter number.
syntax
lookup(expression,[offset])
product sum(sales) lookup(sum(sales),first()) first() lookup(sum(sales),1) lookup(sum(sales),-1)
A 100 100 0 200 -
B 200 100 -1 300 100
C 300 100 -2 400 200
D 400 100 -3 - 300
size function
size function gives the no.of values in the data view.
total function
it displays the total of the input expression.
syntax
total(expression)
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