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Welcome to Colored Pencil Layers!
Curious how different binders, papers, and pencil pressures change the way color stacks up? Browse the boards, compare notes from your own test pages, and ask questions about thin outlines, crosshatching, or burnished gradients. Your observations are welcome here.
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How to calculate the Customer Retention Rate (CRR)? [Shopify + Python example]
Calculate Customer Retention Rate (CRR) in Python on a Shopify dataset, the formula, an overall yearly rate, and a per-location/segment breakdown with pandas.
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