Please read case background information below and download the excel document in attachment.
Background: each store (as specified in field “store_ID”) has multiple rate channels (as specified in field “rate_channel_id)” to sell their products. Rate channels get opened and ended now and then for various reasons. The longevity of a rate channel would largely impact the value of the rate channel for that store.
Objective: to calculate and demonstrate for each rate channel the distribution of longevity across stores, in data and graph.
A few special notes: