hi

Hi,

 

I have a product list with invoice list. cusotmer purchase various product. i want to find the product combination with number.

 

I give an example as follows

 

invoice number	product barcode customer purchase as invoice number
123	p111
	p222
	p333
234	p111
	p333
	p222
	p555
345	p333
	p444
456
	p222
	p111
	p444 here the number of product combination that customer purchased   p111 p222=3 p333=2 p444=1 p555=1 p111=3 p222 p333=2 p444=1 p555=1 p111=2 p222=2 p333 p444=1 p555=1 p111=1 p222=1 p333=1 p444 p555=0 p111=1 p222=1 p333=1 p444=0 p555