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JKISeason3-24

@obito_od#Zassou.syk#KD勉強会JKISeason3-24
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VersionV1.0.0Latest, created on 
Oct 27, 2024 2:32 PM
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Performing Cohort Analysis for a Business

Challenge 24


Level: Medium

Description: Your company wants to perform a cohort analysis to find customers that started purchasing goods on the same month (cohorts), and then track their persistence over time. To solve this challenge, you must explore a transactions dataset from 2016, identify its cohorts, calculate the customer retention ratio, separate the purchases month by month, and then visualize the persistence of the cohorts over time. Note: Customer retention rate (CRR) is the percentage of customers a company retains over a period of time. If E is the number of customers at the end of 2016, N is the number of new customers during the period, and S is the number of customers in the beginning of 2016, then CRR = [(E - N) / S] * 100.

説明 あなたの会社では、コホート分析を行って、同じ月に商品の購入を開始した顧客(コホート)を見つけ、その継続性を時系列で追跡したいと考えています。 この課題を解決するには、2016年からの取引データセットを探索し、そのコホートを特定し、顧客維持率を計算し、月ごとに購入を分離し、そしてコホートの持続性を経時的に可視化する必要があります。 注:顧客維持率(CRR)とは、企業が一定期間にわたって顧客を維持する割合のことである。 Eを2016年末の顧客数、Nを期間中の新規顧客数、Sを2016年初めの顧客数とすると、CRR = [(E - N) / S] * 100となる。

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