Overview on TYO-DATAhttps://tyo-data.fr/tags/overview/Recent content in Overview on TYO-DATAHugo -- gohugo.iofr© 2026 TYO-DATAWed, 30 Sep 2026 00:00:00 +0000How do I see all the penguins on one map?https://tyo-data.fr/templates/living-map/Wed, 30 Sep 2026 00:00:00 +0000https://tyo-data.fr/templates/living-map/Four measures cannot be drawn: three ways to put the penguins on two axes (PCA, an MDS that also weighs island and sex, UMAP), and how to judge a map. Needs the statistics module and the python-ml environment. On the Palmer penguins (palmerpenguins, CC0): 333 penguins of three species.First steps: from raw sales to a charthttps://tyo-data.fr/templates/first-steps/Mon, 28 Sep 2026 00:00:00 +0000https://tyo-data.fr/templates/first-steps/The basic gestures in one flow, step by step on the canvas: clean a messy column, fill a missing value, join two tables, filter, compute, summarize, draw. On a synthetic sales dataset: one invented shop, 2024-2025.What do my customers look like?https://tyo-data.fr/templates/shop-customers/Mon, 28 Sep 2026 00:00:00 +0000https://tyo-data.fr/templates/shop-customers/From order lines to one row per customer: orders, revenue, average basket. Then the segments compared, in a Table 1 and one dot per customer. On a synthetic sales dataset: one invented shop, 2024-2025.Where does my revenue come from?https://tyo-data.fr/templates/shop-revenue/Mon, 28 Sep 2026 00:00:00 +0000https://tyo-data.fr/templates/shop-revenue/The net revenue of 2025 by category and product: a treemap shows each one’s weight and share at a glance, and the ten products that weigh the most are listed. On a synthetic sales dataset: one invented shop, 2024-2025.