pinky pinky - 1 year ago 90
Python Question

sequence of occurrence by multiple catergories

I have tried long long hour to do this but i stuck.
I have many machines produce boxes, each box contained items.
All items, boxes are serial tagged.

I want to produce the sequence count based on box_sn as result in the picture.

I wish pandas dataframe solution or and excel formula. can any experts give me a hints to solve this?
thank you.

enter image description here

i am able to generate the sequence number based on single catergories as in picture below.
with formula : G2 = IF(B2<>B1,G1+1,G1)
this will continue sequence the box_sn, but i want machine B box_sn restart the sequence.
enter image description here

Answer Source

Based on your edit, an Excel solution would be (entered in column F):

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