Definition
The principle of rebasing is to refine your comparison universe.
Your comparator is no longer all of GSA's parapharmacies (case of a "classic" distribution), but a specific variation of your market that you can define.
The notion of having a global applies to fixed periods, making it possible to know the ratio of pharmacies that have sold your selection of products over the entire period studied.
For a given product, the global rebased SMKT selling digital distribution compares the number of GSA drugstores selling in your selection, not to the number of total GSA drugstores selling all products, but to the number of GSA drugstores selling a variation of your market.
A rebased indicator allows you to work on a particular market segment in which you would be present.
To do this, you rebase your market from the Market Definition sheet, the operating mode of which you will find in the article below: http://success.openhealth.fr/fr/articles/3158829-market-definition
Calculation
Digital distribution selling SMKT rebased global = Number of GSA drugstores selling your selection during your study period / Number of drugstores of GSA selling your market declination over your study period
The interpretation of a rebased distribution of less than 5% should be taken with caution.
Aggregation on several products
Historically, global rebased DNVs and global rebased DVVs were normally calculated on products, but "company", "brand" and "segment" are the MAX of global rebased DNVs and rebased DVVs global products.
We recommend the new version (called ' recalculated '), for which this aggregation is not made by a MAX but by recalculation of the indicator on the selection of products.
Example
A product A belongs to the toothbrush segment.
You do not want to calculate your ratio on all the products sold in GSA drugstores, but only on GSA drugstores dispensing toothbrushes.
Product A is sold:
In 300 GSA drugstores in month 1
400 month 2
And 600 in month 3
In total for the quarter, 450 separate GSA drugstores sold product A.
450 GSA drugstores sold a toothbrush in month 1, 600 in month 2 and 700 in month 3.
In total for the quarter, 600 separate GSA drugstores sold a toothbrush.
So, the rebased global selling digital distribution of product A of 75% (450/600), means that 3 out of 4 pharmacies selling toothbrushes sold product A in the quarter.
Terminology
Global Rebased SMKT Selling Digital Distribution can be written as "DNV SMKT Global Rebased".
It is translated into English as "Global Rebased Numeric Distribution SMKT" or "Global ND Rebased SMKT".
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